Solvent-Free Epoxy Finish Paint (PETROBRAS N-2629, N-2680 and N-2912, Types II and III) ...................................................................................................................................
Reinforcement painting using a broad brush at critical points, such as welded regions, nuts and bolts, sharp edges, cavities and crevices, pits, flanges and flanged valves, edges and beam corners, shall be obligatorily performed on the substrate and between each coat applied (stripe coat), except for zinc-rich inorganic paints. 4.9.9
J ENGLISH 08 / 2011 19 6.9 Holidays The test for determining holidays shall be carried out after the maximum drying period for reapplication of the paint used on the last finish coat has elapsed.
Before primer is applied, the surfaces subjected to abrasive blasting or water jetting shall be inspected in accordance with PETROBRAS N-9 and ABNT NBR 14847 and 15185 as to corrosion spots, grease, moisture, and other contaminants.
powdered or granular carbon used for purifying by adsorption
The equipment shall operate in a compressed air line provided with filters, containing silica gel and activated carbon, for removal of water and oil, respectively.
the temperature at which the water vapor in the air becomes saturated and condensation begins
No paint shall be applied to metal surfaces having temperatures below the dew point temperature + 3 °C or to surfaces with a temperature above 52 °C. In the case of paints based on zinc ethyl silicate, the temperature of the metal surface shall not exceed 40 °C. 4.9.7.3
Tração; ISO 8501-1 - Preparation of Steel Substrates Before Application of Paints and Related Products - Visual Assessment of Surface Cleanliness - Part 1: Rust Grades and Preparation Grades of Uncoated Steel Substrates and of Steel Substrates After Overall Removal of Previous Coatings; ASTM D 4541:2009 - Standard Test Method for Pull-Off Strength of Coatings Using Portable Adhesion Testers; NACE No.5/SSPC-SP 12 - Surface Preparation and Cleaning of Metals by Water Jetting Prior to
Areas of insufficient thickness or with flaws shall be repainted and left to dry before the next coat is applied, except paints based on zinc ethyl silicate. 4.9.11
The equipment shall operate in a compressed air line provided with filters, containing silica gel and activated carbon, for removal of water and oil, respectively.
alter so as to produce a more desirable appearance
The damages in painting of equipment, steel structures and piping segments, due to assembly and/or transportation processes, shall be touched up using the system originally applied, whenever this is operationally acceptable.
Jetting; PETROBRAS N-442 - External Painting of Piping for Onshore Facilities; PETROBRAS N-1021 - Pintura de Superfícies Galvanizadas, Ligas Ferrosas e Não Ferrosas, Materiais Compósitos e Poliméricos; PETROBRAS N-1192 - Pintura de Embarcações; PETROBRAS N-1202 - Iron Oxide-Epoxy Paint; PETROBRAS N-1277 - Polyamide Zinc Epoxy Base Paint; PETROBRAS N-1288 - Inspeção de Recebimento de Recipientes Fechados; PETROBRAS N-1374 - Anticorrosive Coatings for Offshore Exploration and Production Units;
The air pressure in the gun shall be sufficiently high to atomize the paint, but not so high as to cause excessive mist, excessive evaporation of solvent or losses by excessive spraying. 5.2.2.8
Tração; ISO 8501-1 - Preparation of Steel Substrates Before Application of Paints and Related Products - Visual Assessment of Surface Cleanliness - Part 1: Rust Grades and Preparation Grades of Uncoated Steel Substrates and of Steel Substrates After Overall Removal of Previous Coatings; ASTM D 4541:2009 - Standard Test Method for Pull-Off Strength of Coatings Using Portable Adhesion Testers; NACE No.5/SSPC-SP 12 - Surface Preparation and Cleaning of Metals by Water Jetting Prior to
In the case of solvent-free epoxy finish paint (see PETROBRAS N-2629 and N-2680), provided this is recommended in the specific standard for each paint system and it is operationally possible, the second coat may be applied as soon as the first coat is dry to the touch. 4.9.13
Abrasive Blasting and Water Jetting; PETROBRAS N-442 - External Painting of Piping for Onshore Facilities; PETROBRAS N-1021 - Pintura de Superfícies Galvanizadas, Ligas Ferrosas e Não Ferrosas, Materiais Compósitos e Poliméricos; PETROBRAS N-1192 - Pintura de Embarcações; PETROBRAS N-1202 - Iron Oxide-Epoxy Paint; PETROBRAS N-1277 - Polyamide Zinc Epoxy Base Paint; PETROBRAS N-1288 - Inspeção de Recebimento de Recipientes Fechados; PETROBRAS N-1374 - Anticorrosive Coatings for Offshore
for industrial equipment (see PETROBRAS N-2), piping systems (see PETROBRAS N-442 and N-2631), painting of galvanized surfaces, ferrous and nonferrous alloys, composite and polymeric materials (see PETROBRAS N-1021), offshore exploration and production units (see PETROBRAS N- 1374) steel structures (see PETROBRAS N-1550), vessels (see PETROBRAS N-1192), machinery, electrical equipment, and instruments (see PETROBRAS N-1735), water pipelines (see PETROBRAS N-1849), painting of equipment submerged
for industrial equipment (see PETROBRAS N-2), piping systems (see PETROBRAS N-442 and N-2631), painting of galvanized surfaces, ferrous and nonferrous alloys, composite and polymeric materials (see PETROBRAS N-1021), offshore exploration and production units (see PETROBRAS N- 1374) steel structures (see PETROBRAS N-1550), vessels (see PETROBRAS N-1192), machinery, electrical equipment, and instruments (see PETROBRAS N-1735), water pipelines (see PETROBRAS N-1849), painting of equipment submerged
4.4 Training Plan of the Work Force It shall be prepared a training plan for the entire workforce involved in painting services containing at least the following topics: a) methods of cleaning and surface preparation; b) basics notions of anticorrosive coatings; c) application methods; d) methods of controlling all stages of the coating process; e) safety services in painting; f) visual acuity; g) evaluation criteria (theorical and practical); 4.5 Storage 4.5.1
Solvent-Free Epoxy Finish Paint (PETROBRAS N-2629, N-2680 and N-2912, Types II and III) ...................................................................................................................................
In that case amide-cured zinc powder epoxy primer (PETROBRAS N-1277) shall be used as a substitute only for operating temperatures up to 120 °C. NOTE For temperatures higher than 120 °C there is no zinc-rich paints qualified to perform paint touch ups.
Proposed revisions to this Standard shall be submitted to the CONTEC - Authoring Subcommittee, indicating the alphanumeric identification and revision of the Standard, the section, subsection and enumerate to be revised, the proposed text, and technical/economic justification for revision.
Before primer is applied, the surfaces subjected to abrasive blasting or water jetting shall be inspected in accordance with PETROBRAS N-9 and ABNT NBR 14847 and 15185 as to corrosion spots, grease, moisture, and other contaminants.
No paint shall be applied when the ambient temperature is below 5 °C, except in the case of paints whose skinning mechanism is exclusively by evaporation of solvents.
an evergreen shrub of the Mediterranean region that is cultivated for its resin
Slots, corners, and depressions that are difficult to paint shall be sealed by means of welds, mastic asphalt, an epoxy mastic or anticorrosive coatings approved by PETROBRAS. 4.9.5.1
6.5 Film Check if each paint coat (during application and after exposure) is free from flaws and/or defects of the following types: a) dripping; b) blistering; c) wrinkling; d) cracking; e) fisheye (craters); f) impregnation of abrasive and/or contaminants; g) peeling; h) oxidation/corrosion; i) inclusion of hairs; j) pores; k) bleeding; l) spotting; m) overspray n) chalking; o) boil.
For painting surfaces not falling into the cases specified in 4.6.2, paints may undergo up to 2 revalidation processes, provided this is previously authorized in writing by PETROBRAS.
If the paints to be sprayed have not been specifically formulated for this type of application, they may need to be diluted when a satisfactory application is not possible by adjusting or regulating the air pressure and spraying equipment. 4.8.11
for industrial equipment (see PETROBRAS N-2), piping systems (see PETROBRAS N-442 and N-2631), painting of galvanized surfaces, ferrous and nonferrous alloys, composite and polymeric materials (see PETROBRAS N-1021), offshore exploration and production units (see PETROBRAS N- 1374) steel structures (see PETROBRAS N-1550), vessels (see PETROBRAS N-1192), machinery, electrical equipment, and instruments (see PETROBRAS N-1735), water pipelines (see PETROBRAS N-1849), painting of equipment submerged
a long tube made of metal or plastic that is used to carry water or oil or gas etc.
for industrial equipment (see PETROBRAS N-2), piping systems (see PETROBRAS N-442 and N-2631), painting of galvanized surfaces, ferrous and nonferrous alloys, composite and polymeric materials (see PETROBRAS N-1021), offshore exploration and production units (see PETROBRAS N- 1374) steel structures (see PETROBRAS N-1550), vessels (see PETROBRAS N-1192), machinery, electrical equipment, and instruments (see PETROBRAS N-1735), water pipelines (see PETROBRAS N-1849), painting of equipment submerged
creation by the physical union of male and female gametes
Blasting near the newly painted surface shall only be performed when the paint film is dry to the touch, so that there is no possibility of impregnation of abrasive. 4.7.5
During the application, the gun shall be held perpendicularly to the surface and at a constant distance to ensure the application of a wet coat of paint, and the paint shall reach the surface still in sprayed form. 5.2.2
In case of water jetting, immediately before painting, the surfaces that present flash rust grade greater than moderate shall receive fresh water cleaning under high pressure of at least 34 MPa (5 000 psi).
the accumulation of matter deposited by some natural process
When homogenization is done by hand and is found the presence of sedimentation, the paint fraction that is not sedimented shall be poured into a clean container.
furnish with an opening to allow air to circulate or escape
The places for storing paints, varnishes, solvents, and thinners shall be covered, well ventilated, not subject to excessive heat, protected against sparks, lightning discharges and direct sunlight.
procedure for application of paint systems for equipment and parts to be painted shall contain, at least, the following information: a) purpose for which the procedure is intended; b) specification of paint system to be used; c) applicable standards; d) instructions for receipt and storage of paints, thinners, and related products; e) paint system execution sequence; f) paint application process; g) specification of paints to be used, including suppliers and respective commercial references; h)
steel containing chromium that makes it resistant to corrosion
Stainless steel, aluminium, non-ferrous Alloys and cast iron - atmospheric zone 1st coat: N-2198 (20 μm) 2nd coat: N-2677 (60 μm) 12 A/B Stainless steel, aluminium, non-ferrous alloys and cast iron - immersion conditions and areas subject to pounding, temperature up to 80°C 1st coat: N-2680 (150 μm) 2nd coat: N-2680 (150 μm) 15 A/B N-1021 Stainless steel, aluminium, non-ferrous alloys and cast iron - immersion conditions and areas subject to pounding, temperature of 80 °C to 150 °C 1st coat:
Blasting and Water Jetting; PETROBRAS N-442 - External Painting of Piping for Onshore Facilities; PETROBRAS N-1021 - Pintura de Superfícies Galvanizadas, Ligas Ferrosas e Não Ferrosas, Materiais Compósitos e Poliméricos; PETROBRAS N-1192 - Pintura de Embarcações; PETROBRAS N-1202 - Iron Oxide-Epoxy Paint; PETROBRAS N-1277 - Polyamide Zinc Epoxy Base Paint; PETROBRAS N-1288 - Inspeção de Recebimento de Recipientes Fechados; PETROBRAS N-1374 - Anticorrosive Coatings for Offshore Exploration and
a group of people working together temporarily until some goal is achieved
Introduction PETROBRAS Technical Standards are prepared by Working Groups - WG (consisting specialized of Technical Collaborators from Company and its Subsidiaries), are commented by Company Units and its Subsidiaries, are approved by the Authoring Subcommittees - SCs (consisting of technicians from the same specialty, representing the various Company Units and its Subsidiaries), and ratified by the Executive Nucleus (consisting of representatives of the Company Units and its Subsidiaries).
maintenance of standards of quality of manufactured goods
quality control of paint systems for industrial equipment (see PETROBRAS N-2), piping systems (see PETROBRAS N-442 and N-2631), painting of galvanized surfaces, ferrous and nonferrous alloys, composite and polymeric materials (see PETROBRAS N-1021), offshore exploration and production units (see PETROBRAS N- 1374) steel structures (see PETROBRAS N-1550), vessels (see PETROBRAS N-1192), machinery, electrical equipment, and instruments (see PETROBRAS N-1735), water pipelines (see PETROBRAS
For painting surfaces not falling into the cases specified in 4.6.2, paints may undergo up to 2 revalidation processes, provided this is previously authorized in writing by PETROBRAS.
J ENGLISH 08 / 2011 PROPERTY OF PETROBRAS 27 pages, Index of Revisions and WG Technical Requirements for Paintwork Procedure This Standard replaces and cancels its previous revision.
equipment (see PETROBRAS N-2), piping systems (see PETROBRAS N-442 and N-2631), painting of galvanized surfaces, ferrous and nonferrous alloys, composite and polymeric materials (see PETROBRAS N-1021), offshore exploration and production units (see PETROBRAS N- 1374) steel structures (see PETROBRAS N-1550), vessels (see PETROBRAS N-1192), machinery, electrical equipment, and instruments (see PETROBRAS N-1735), water pipelines (see PETROBRAS N-1849), painting of equipment submerged in seawater
TRANSPETRO/PRES/SE/ENG/INTEG/ DUTOS 811-9245 CAL3 Carlos Augusto dos Reis Correia TRANSPETRO/DTM/TM/TLOG/TEC 811-7627 FPB6 Erik Barbosa Nunes ENGENHARIA/IETEG/ETEG/EDUT 819-3015 UP82 Fernando Gonçalves Enes TRANSPETRO/PRES/SE/ENG/STSE/INSP 813-6754 TGI4 Francisco Carlos Rodrigues Marques E&P-ENGP/OPM/EMI 814-0851 W05C Francisco Otavio Pereira da Silva ENGENHARIA/SL/SEQUI/CI 855-6715 ED4F Joaquim Pereira Quintela CENPES/PDEP/TMEC 812-6502 BW20 José Antonio Lima Viana RPCC/MIIE 836-5692 QNF3 Luiz
Recommended Practice: A provision that may be adopted under the conditions of this Standard, but which admits (and draws attention to) the possibility of there being a more adequate alternative (not written in this Standard) to the particular application.
Surface preparation and paint application are permitted, wholly or in part, at the manufacturer’s facilities or at the job site (onshore or offshore facilities), provided these operations are witnessed by a painting inspector certified and accepted by PETROBRAS. 4.9.3
For the other items covered by this Standard, a number of measurements corresponding, in absolute value, to 20 % of the total painted area shall be made.
assigning numbers to phenomena according to a rule
The measurements control of relative humidity, ambient temperature and substrate temperature shall be done in a specific report, at intervals of 1 hour.
Proposed revisions to this Standard shall be submitted to the CONTEC - Authoring Subcommittee, indicating the alphanumeric identification and revision of the Standard, the section, subsection and enumerate to be revised, the proposed text, and technical/economic justification for revision.
J ENGLISH 08 / 2011 PROPERTY OF PETROBRAS 27 pages, Index of Revisions and WG Technical Requirements for Paintwork Procedure This Standard replaces and cancels its previous revision.
an alloy of iron containing so much carbon that it is brittle and so cannot be wrought but must be shaped by casting
cast iron - atmospheric zone 1st coat: N-2198 (20 μm) 2nd coat: N-2677 (60 μm) 12 A/B Stainless steel, aluminium, non-ferrous alloys and cast iron - immersion conditions and areas subject to pounding, temperature up to 80°C 1st coat: N-2680 (150 μm) 2nd coat: N-2680 (150 μm) 15 A/B N-1021 Stainless steel, aluminium, non-ferrous alloys and cast iron - immersion conditions and areas subject to pounding, temperature of 80 °C to 150 °C 1st coat: N-2912 type II (150 μm) 2nd coat: N-2912 type II (150
4.4 Training Plan of the Work Force It shall be prepared a training plan for the entire workforce involved in painting services containing at least the following topics: a) methods of cleaning and surface preparation; b) basics notions of anticorrosive coatings; c) application methods; d) methods of controlling all stages of the coating process; e) safety services in painting; f) visual acuity; g) evaluation criteria (theorical and practical); 4.5 Storage 4.5.1
4.2 Inspection Procedure The paint system inspection procedure shall contain at least the following information: a) objective; b) reference standards; c) criteria for sampling and inspections to be performed; d) apparatus and instruments; e) acceptance or rejection criteria; f) forms used for recording results -PUBLICN- 13 REV.
for industrial equipment (see PETROBRAS N-2), piping systems (see PETROBRAS N-442 and N-2631), painting of galvanized surfaces, ferrous and nonferrous alloys, composite and polymeric materials (see PETROBRAS N-1021), offshore exploration and production units (see PETROBRAS N- 1374) steel structures (see PETROBRAS N-1550), vessels (see PETROBRAS N-1192), machinery, electrical equipment, and instruments (see PETROBRAS N-1735), water pipelines (see PETROBRAS N-1849), painting of equipment submerged
aluminium, non-ferrous Alloys and cast iron - atmospheric zone 1st coat: N-2198 (20 μm) 2nd coat: N-2677 (60 μm) 12 A/B Stainless steel, aluminium, non-ferrous alloys and cast iron - immersion conditions and areas subject to pounding, temperature up to 80°C 1st coat: N-2680 (150 μm) 2nd coat: N-2680 (150 μm) 15 A/B N-1021 Stainless steel, aluminium, non-ferrous alloys and cast iron - immersion conditions and areas subject to pounding, temperature of 80 °C to 150 °C 1st coat: N-2912 type II (150
The revalidation is the responsibility of the paint manufacturer, which must emit a new certificate of analysis specific for revalidation, based on own technical requirements.
for industrial equipment (see PETROBRAS N-2), piping systems (see PETROBRAS N-442 and N-2631), painting of galvanized surfaces, ferrous and nonferrous alloys, composite and polymeric materials (see PETROBRAS N-1021), offshore exploration and production units (see PETROBRAS N- 1374) steel structures (see PETROBRAS N-1550), vessels (see PETROBRAS N-1192), machinery, electrical equipment, and instruments (see PETROBRAS N-1735), water pipelines (see PETROBRAS N-1849), painting of equipment submerged
Verify for each batch of received paint, if the results of the analysis certificate issued by the paint manufacturer are in accordance with requirements table of the product ready for use defined in the standard specification of the paint.
In the case of epoxy paints, when the time intervals for repainting are exceeded, the previous coat shall receive a treatment using a rotating brush, sanding or brush off or the WJ-3 standard water jetting on the surface followed by cleaning with non-oily solvent to allow the adhesion of the subsequent coat.
the normal temperature of room in which people live
be betwenn 60 %and 85 %; b) maximum surface temperature of 52 °C, except for primer zinc ethyl silicate, in which case it is 40 °C; c) minimum surface temperature of 3 °C above dew point, except in the case of 4.9.7.4; d) room temperature: no paint shall be applied when the ambient temperature is below 5 °C, except in the case of paints that are dried exclusively by the evaporation of solvents; such paints may be applied if the temperature is not below 2 °C. 7.4 Film Flaws and/or defects
a particular course of action intended to achieve a result
J ENGLISH 08 / 2011 PROPERTY OF PETROBRAS 27 pages, Index of Revisions and WG Technical Requirements for Paintwork Procedure This Standard replaces and cancels its previous revision.
the application of a liquid in the form of small particles ejected from a sprayer
If the paints to be sprayed have not been specifically formulated for this type of application, they may need to be diluted when a satisfactory application is not possible by adjusting or regulating the air pressure and spraying equipment. 4.8.11
J ENGLISH 08 / 2011 PROPERTY OF PETROBRAS 27 pages, Index of Revisions and WG Technical Requirements for Paintwork Procedure This Standard replaces and cancels its previous revision.
J ENGLISH 08 / 2011 PROPERTY OF PETROBRAS 27 pages, Index of Revisions and WG Technical Requirements for Paintwork Procedure This Standard replaces and cancels its previous revision.
a mixture containing two or more metallic elements
for industrial equipment (see PETROBRAS N-2), piping systems (see PETROBRAS N-442 and N-2631), painting of galvanized surfaces, ferrous and nonferrous alloys, composite and polymeric materials (see PETROBRAS N-1021), offshore exploration and production units (see PETROBRAS N- 1374) steel structures (see PETROBRAS N-1550), vessels (see PETROBRAS N-1192), machinery, electrical equipment, and instruments (see PETROBRAS N-1735), water pipelines (see PETROBRAS N-1849), painting of equipment submerged
Equipment, steel structures and piping painted before being assembled shall not be handled before the minimum drying period for reapplication of the paint used has elapsed. 4.9.14
an electrical home appliance that cleans by suction
Before each paint coat is applied, the entire surface shall undergo a cleaning process by means of a vacuum cleaner, a brush, a soft broom, air blowing or a damp cloth to remove the dust.
NOTE 1 The referenced criteria is valid when the area is painted using the same batch of paint and the painting is made at the same day, not being allowed to add the areas in order to quantify the number of tests.
Surface preparation and paint application are permitted, wholly or in part, at the manufacturer’s facilities or at the job site (onshore or offshore facilities), provided these operations are witnessed by a painting inspector certified and accepted by PETROBRAS. 4.9.3
the process of becoming a suspension of particles in the air
No paint shall be applied when the ambient temperature is below 5 °C, except in the case of paints whose skinning mechanism is exclusively by evaporation of solvents.
Solvent-Free Epoxy Finish Paint (PETROBRAS N-2629, N-2680 and N-2912, Types II and III) ...................................................................................................................................
Handling after the drying period mentioned in 4.9.13 shall be effected in such a manner as to minimize damages to the painting, using wire ropes with protection or leather straps for small parts. 4.9.15
Mixing and homogenizing shall be carried out by a mechanical mixer, with hand mixing being allowed for containers with a capacity of up to 3,6 L. Paints pigmented with aluminum shall be manually mixed.
Stainless steel, aluminium, non-ferrous Alloys and cast iron - atmospheric zone 1st coat: N-2198 (20 μm) 2nd coat: N-2677 (60 μm) 12 A/B Stainless steel, aluminium, non-ferrous alloys and cast iron - immersion conditions and areas subject to pounding, temperature up to 80°C 1st coat: N-2680 (150 μm) 2nd coat: N-2680 (150 μm) 15 A/B N-1021 Stainless steel, aluminium, non-ferrous alloys and cast iron - immersion conditions and areas subject to pounding, temperature of 80 °C to 150 °C 1st coat:
Tração; ISO 8501-1 - Preparation of Steel Substrates Before Application of Paints and Related Products - Visual Assessment of Surface Cleanliness - Part 1: Rust Grades and Preparation Grades of Uncoated Steel Substrates and of Steel Substrates After Overall Removal of Previous Coatings; ASTM D 4541:2009 - Standard Test Method for Pull-Off Strength of Coatings Using Portable Adhesion Testers; NACE No.5/SSPC-SP 12 - Surface Preparation and Cleaning of Metals by Water Jetting Prior to
- PETROBRAS, for internal use in the Company, and any reproduction for external use or disclosure, without previous and express authorization from the owner, will imply an unlawful act pursuant to the relevant legislation through which the applicable responsibilities shall be imputed.
The places for storing paints, varnishes, solvents, and thinners shall be covered, well ventilated, not subject to excessive heat, protected against sparks, lightning discharges and direct sunlight.
device that removes something from what passes through it
The equipment shall operate in a compressed air line provided with filters, containing silica gel and activated carbon, for removal of water and oil, respectively.
drops of fresh water that fall as precipitation from clouds
Painted steel structures, piping systems and equipment, not yet assembled, shall be kept at a certain distance from each other and from the ground and shall be positioned in such a manner as to minimize the number of areas allowing buildup of rainwater, earth, contamination or deterioration of the paint film.
The test shall be performed after total application of the coating and curing time and whenever the procedure standard of painting system or contractual requirements determine the test. 6.6.2.2.2
In that case, leftover paint shall be collected into a container, which shall be closed, and once again mixed and/or homogenized before being used again. 4.8.10
a crisis situation or point in time when a critical decision must be made
Reinforcement painting using a broad brush at critical points, such as welded regions, nuts and bolts, sharp edges, cavities and crevices, pits, flanges and flanged valves, edges and beam corners, shall be obligatorily performed on the substrate and between each coat applied (stripe coat), except for zinc-rich inorganic paints. 4.9.9
the habit of keeping free of superficial imperfections
Tração; ISO 8501-1 - Preparation of Steel Substrates Before Application of Paints and Related Products - Visual Assessment of Surface Cleanliness - Part 1: Rust Grades and Preparation Grades of Uncoated Steel Substrates and of Steel Substrates After Overall Removal of Previous Coatings; ASTM D 4541:2009 - Standard Test Method for Pull-Off Strength of Coatings Using Portable Adhesion Testers; NACE No.5/SSPC-SP 12 - Surface Preparation and Cleaning of Metals by Water Jetting Prior to
Recommended Practice: A provision that may be adopted under the conditions of this Standard, but which admits (and draws attention to) the possibility of there being a more adequate alternative (not written in this Standard) to the particular application.
J ENGLISH 08 / 2011 17 NOTE 1 Whenever possible, the adhesion test shall be carried out on representative test specimens of the surface being coated, thereby preventing damages to the paint.
If a decision is taken not to follow the requirement (“non-conformity” to this Standard) it shall be based on well-founded economic and management reasons, and be approved and registered by the Department of PETROBRAS that uses this Standard.
External circulation shall be regulated by a specific clause of Secrecy and Confidentiality pursuant to the terms of intellectual and industrial property law.”
Tração; ISO 8501-1 - Preparation of Steel Substrates Before Application of Paints and Related Products - Visual Assessment of Surface Cleanliness - Part 1: Rust Grades and Preparation Grades of Uncoated Steel Substrates and of Steel Substrates After Overall Removal of Previous Coatings; ASTM D 4541:2009 - Standard Test Method for Pull-Off Strength of Coatings Using Portable Adhesion Testers; NACE No.5/SSPC-SP 12 - Surface Preparation and Cleaning of Metals by Water Jetting Prior to
relating to or located in the mass of air surrounding Earth
atmospheric zone 1st coat: N-2198 (20 μm) 2nd coat: N-2677 (60 μm) 12 A/B Stainless steel, aluminium, non-ferrous alloys and cast iron - immersion conditions and areas subject to pounding, temperature up to 80°C 1st coat: N-2680 (150 μm) 2nd coat: N-2680 (150 μm) 15 A/B N-1021 Stainless steel, aluminium, non-ferrous alloys and cast iron - immersion conditions and areas subject to pounding, temperature of 80 °C to 150 °C 1st coat: N-2912 type II (150 μm) 2nd coat: N-2912 type II (150 μm) 15 A/B
CONTEC Comissão de Normalização Técnica Technical Requirement: A provision established as the most adequate and which shall be used strictly in accordance with this Standard.
a coating that provides a hard, lustrous finish to a surface
The places for storing paints, varnishes, solvents, and thinners shall be covered, well ventilated, not subject to excessive heat, protected against sparks, lightning discharges and direct sunlight.
Revalidated paints must not be used for painting interior surfaces, exterior surfaces subject to high temperatures (above 80 °C) or condensation and paintwork on surfaces operating immersed (interior and exterior paintwork).
External circulation shall be regulated by a specific clause of Secrecy and Confidentiality pursuant to the terms of intellectual and industrial property law.”
Created on 二月 20, 2013
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