09-SAMSS-069

Materials System Specification09-SAMSS-069 21 March 2012 Qualification Requirements for Epoxy Coatings for Atmospheric Service Document Responsibility: Paints and Coatings Standards Committee Saudi Aramco DeskTop Standards Table of Contents 1 Scope.....................................................…..... 2 2 Conflicts and Deviations...........................….. 2 3 References...........................................…...... 3 4 General Requirements.........................…....... 4 5 Qualification Tests and Requirements...…..... 5 6 Method of Packaging................................... 10 Previous Issue: 24 July 2011 Next Planned Update: 21 March 2017 Revised paragraphs are indicated in the right margin Primary contact: Mansour, Mana Hamad on 966-3-880-9557 Copyright©Saudi Aramco 2012. All rights reserved. Page 1 of 10 and forms shall be resolved in writing by the Company or Buyer Representative through the Manager.3 Periodic Product Compliance Checks This specification may be used for periodic product compliance checks on previously approved coatings. Page 2 of 10 . that wish to obtain initial approval for products that have not previously been qualified in accordance with this specification. This specification should also not be included with purchase orders or requisitions for coated items or equipment when a Saudi Aramco approved protective coating system has been specified. of Saudi Aramco.1 Initial Product Approval This specification shall be given to coating manufacturers. Consulting Services Department. of Saudi Aramco. This specification does not apply and should not be included with Purchase orders or requisitions for coating products that have been previously qualified per this specification. Consulting Services Department. codes. 2. Dhahran. Engineering Standards (SAESs).2 Purchase Requisitions/Purchase Orders This specification shall be attached to Purchase Requisitions or Purchase Orders when those documents address the procurement of coating products that have not been previously qualified in accordance with this specification. or other vendors of coating products.Document Responsibility: Paints and Coatings Standards Committee Issue Date: 21 March 2012 Next Planned Update: 21 March 2017 1 09-SAMSS-069 Qualification Requirements for Epoxy Coatings for Atmospheric Service Scope This Specification defines the minimum mandatory requirements for qualifying individual coating products for use in Saudi Aramco's approved protective coating systems APCS-1A through APCS-1F.1 Any conflicts between this specification and other applicable Saudi Aramco Materials System Specifications (SAMSSs). 1. It shall be given to the organization conducting the compliance tests. Dhahran. 2 Conflicts and Deviations 2. or industry standards. It shall be used when any of the following situations occur: 1.2 Direct all requests to deviate from this specification in writing to the Company or Buyer Representative. Standard Drawings (SASDs). 1. who shall follow internal company procedure SAEP-302 and forward such requests to the Manager. 2 SAES-H-001 APCS-1A Epoxy Coating System for Atmospheric Service (with Inorganic Zinc Primer) SAES-H-001 APCS-1B Epoxy Coating System for Atmospheric Service (with Epoxy Primer) SAES-H-001 APCS-1C Epoxy Coating System for Atmospheric Service (with Zinc-rich Epoxy Primer) SAES-H-001 APCS-1D Epoxy/Polyurethane Coating System for Atmospheric Services (with Inorganic Zinc Primer) SAES-H-001 APCS-1E Epoxy/Polyurethane Coating System for Atmospheric Service (with Epoxy Primer) SAES-H-001 APCS-1F Epoxy/Polyurethane Coating System for Atmospheric Service (with Zinc-Rich Epoxy Primer) Industry Codes and Standards American Society for Testing and Materials ASTM A36 Structural Steel ASTM B117 Salt Spray (Fog) Testing ASTM D16 Definition of Terms Relating to Paints.Document Responsibility: Paints and Coatings Standards Committee Issue Date: 21 March 2012 Next Planned Update: 21 March 2017 3 09-SAMSS-069 Qualification Requirements for Epoxy Coatings for Atmospheric Service References Material or equipment supplied to this specification shall comply with the latest edition of the references listed below unless otherwise noted: 3.1 Saudi Aramco References Saudi Aramco Engineering Procedure SAEP-302 Instructions for Obtaining a Waiver of a Mandatory Saudi Aramco Engineering Requirement Saudi Aramco Materials System Specifications 09-SAMSS-060 Packaging Requirements for Coatings 09-SAMSS-071 Inorganic Zinc Primer Saudi Aramco Engineering Standards 3. Lacquers and Related Products ASTM D523 Specular Gloss Page 3 of 10 . Varnishes. Document Responsibility: Paints and Coatings Standards Committee Issue Date: 21 March 2012 Next Planned Update: 21 March 2017 09-SAMSS-069 Qualification Requirements for Epoxy Coatings for Atmospheric Service ASTM D610 Evaluating Degree of Rusting on Painted Steel Surfaces ASTM D660 Evaluating Degree of Checking of Exterior Paints ASTM D661 Evaluating Degree of Cracking of Exterior Paints ASTM D714 Evaluating Degree of Blistering of Paints ASTM D822 Operating Light-and-Water Exposure Apparatus (Carbon-Arc Type) for Testing Paint. the coating supplier shall submit a certified test report documenting that the Page 4 of 10 .2 In order to qualify a coating system as acceptable under this specification. Organic) SSPC PAINT 22 Epoxy-Polyamide Paints (Primer. Lacquer. the Buyer's Representative shall be the Responsible Standardization Agency Representative (RSA). and Related Products ASTM D1640 Drying. 1982 SSPC VIS 1 Pictorial Surface Preparation Standards for Painting Steel Surfaces Swedish Standard SIS 055900-Pictorial Surface Preparation Standard for Painting Steel Structures: Sa 2-1/2 4 Very Thorough Blast Cleaning General Requirements 4. Curing or Film Formation of Organic Coatings at Room Temperature ASTM D1654 Method for Evaluation of Painted or Coated Specimens Subjected to Corrosive Environments ASTM D1849 Package Stability of Paint ASTM D2805 Hiding Power of Paints ASTM G26 Operating Light-Exposure Apparatus (Xenon-Arc Type) With and Without Water for Exposure of Nonmetallic Materials The Society for Protective Coatings SSPC PA2 Measurement of Dry Paint Thickness with Magnetic Gages SSPC PAINT 20 Zinc-rich Primers (Type II.1 For purposes of this specification. Intermediate. and Topcoat) dated November 1. 4. Varnish. 2 of this Specification. Page 5 of 10 . 5. Organic).1 Tests Applicable to Specific Generic Types of Coatings 5.4: Should read “percent by weight. 3.2.4.1. in addition to meeting the requirements of Section 5.” b) Paragraph 4.3 and 2.3 of this Specification. 2. shall meet the requirements of paragraphs 1. and 4 of SSPC PAINT 20 (Type II. Qualification Tests and Requirements 5. Salt Spray Resistance: Shall be replaced by paragraph 5.5.1 of this Specification. The vehicle shall be a catalyzed epoxy 5.3 5 All initial product qualification tests shall be carried out at no cost to Saudi Aramco. Pot Life: Shall be replaced by paragraph 5. The RSA shall decide if the data presented by the Supplier satisfies all the requirements. e) Paragraph 5. Composition: Base component of topcoats need not contain anti-corrosion pigments.3 of this Specification. d) Paragraph 5. 2. g) Paragraph 6.7. c) Paragraph 5. Labeling: Shall be replaced by section 6 of this Specification.1.1 Epoxy coatings (except zinc-rich primers) supplied in accordance with this Specification shall meet the requirements of SSPC PAINT 22 except as modified below: a) Paragraphs 2.3. Elcometer Adhesion Test: Shall be replaced by paragraph 5.1. 4.8. Test Panels: Shall be replaced by paragraph 5.9.4. Preparation and testing shall be performed and/or witnessed by an independent laboratory or inspection agency.2.Document Responsibility: Paints and Coatings Standards Committee Issue Date: 21 March 2012 Next Planned Update: 21 March 2017 09-SAMSS-069 Qualification Requirements for Epoxy Coatings for Atmospheric Service proposed coating system meets the qualification tests and requirements of this SAMSS.” not “percent by volume. This report shall be submitted to the Saudi Aramco RSA for review.3 Inorganic zinc silicate primers for APCS-1A and APCS-1D shall meet the requirements of 09-SAMSS-071.2. h) Paragraphs 7 (Inspection) and 8 (Safety): Delete requirements.2 Zinc-rich epoxy primers for APCS-1C and APCS-1F. f) Paragraph 5. 4 5. Spray Properties The ready mixed paint shall be easily applied to a vertical surface at the following dry film thicknesses with no tendency to orange peel. or streaks – 8 or better.2 09-SAMSS-069 Qualification Requirements for Epoxy Coatings for Atmospheric Service Urethane coatings supplied in accordance with this Specification shall be Type V Polyol-cured Aliphatic as defined in ASTM D16.88 minimum. sag. d) Grains. lumps. when tested at a 60 degrees angle in accordance with ASTM D523. APCS-1E and APCS-1F) : 65 micrometers (2. the sample shall meet the following requirements: 5. b) Skinning.2.1. Physical Property Tests Applicable to All APCSs 5.5 mils Page 6 of 10 . the minimum contrast ratio of the polyurethane coating shall be 0. shall be at least 85. b) When tested in accordance with ASTM D2805. a) Specular gloss of the urethane coatings. c) Settling – 6 or better.2.Document Responsibility: Paints and Coatings Standards Committee Issue Date: 21 March 2012 Next Planned Update: 21 March 2017 5. pressure and corrosion – 10.2 a) Weight loss – 0.1 Package Stability of Paint When stored at 52 ± 1ºC for 6 months in accordance with ASTM D1849.94 except for red colors which shall be 0. creep or run: Inorganic zinc (APCS-1A and APCS-1D) : See 09-SAMSS-071 Zinc-rich epoxy primers (APCS-1C and APCS-1F) : 75 micrometers (3 mils) Epoxy primers (APCS-1B and APCS-1E) : 100 micrometers (4 mils) Epoxy topcoats (All APCSs) : 150 micrometers (6 mils) Polyurethane (APCS-1D. Dry film thickness shall be measured and recorded in accordance with SSPC PA2 and shall meet the requirements in Table 1.Document Responsibility: Paints and Coatings Standards Committee Issue Date: 21 March 2012 Next Planned Update: 21 March 2017 5. Adherent Mill Scale.0 .3 Profile of blasted surface shall be as follows: 40-65 micrometers (1.2. 5.2 The test panel shall be abrasive blast cleaned to near white metal (SP-10 or Sa 2-½). 5. the condition of the test panel shall be equivalent to SSPC-Guide to Vis 1 Rust Grade A. The profile shall be determined with replica tape.5 . 5.3. the Dry-Through (or Dry-To-Handle) Time shall be 8 hours or less (2 hours or less for the zinc-rich epoxy primers) and the Dry-To-Recoat Time shall be in accordance with suppliers published data sheets. applied and cured in accordance with the Vendor's recommendations.4 Drying Times When tested in accordance with ASTM D1640.3.3 Test Panel Preparation 5.2. the viscosity of the ready-mixed paint shall remain within the range recommended by the manufacturer for sprayability without additional thinning for not less than 1 hour. Prior to preparing the surface.2. APCS-1D.5 mils) for APCS-1C and APCS-1F. Page 7 of 10 .3. 5.1 Test panels shall be ASTM A36 hot-rolled steel approximately 100 mm X 150 mm. The minimum thickness of the test panel shall be 5 mm.1.5 mils) for APCS-1A. and APCS-1E 25-40 micrometers (1.4 Coatings shall be mixed.3 09-SAMSS-069 Qualification Requirements for Epoxy Coatings for Atmospheric Service Usable Potlife At 40°C. The temperature of the test panel shall be 63 ± 2ºC during coatings application.3. APCS-1B. 5. 150 125 .100 50 .65 25 . APCS-1D.315 175 .175 Topcoat (2 or more coats) Max.375 190 . Procedure B. Table 2 Standard ASTM D714 Evaluating Degree of Blistering of Paints Acceptable Rating No blisters ASTM D660 Evaluating Degree of Checking of Exterior Paints No checking ASTM D661 Evaluating Degree of Cracking of Exterior Paints No cracking ASTM D610 Evaluating Degree of Rusting on Painted Steel Surfaces System 9 or better for APCS-1B and APCS-1E.315 175 . APCS-1C. Panels shall be rotated every 100 hours until a total of 500 hours in each device has been achieved. At the ASTM D822 conclusion of the test. or ASTM G26. Method B.75 65 . 10 for APCS-1A.400 250 .100 50 . each coating will be evaluated for and meet the criteria in Table 2.65 25 .75 Intermediate Coat (1 or more coats) DFT in Micrometers Min-Max N/A N/A N/A 100 . ASTM D1654 Standard Evaluation of Rating of Failure at Scribe shall not exceed: Page 8 of 10 .400 275 .4 Primer (1 coat) DFT in Micrometers Min-Max 65 . and a salt fog cabinet in accordance with ASTM B117.100 40 .1 Weather-o-Meter and Salt Fog Performance Tests Each panel shall be scribed in accordance with ASTM D1654 and exposed alternately in a Weather-o-Meter in accordance with ASTM D822.65 System (Min 3 coats) DFT in Micrometers Min-Max 275 .4.100 40 .150 100 . DFT in Micrometers 150 150 150 N/A N/A N/A Total Topcoat (1 coat) DFT in Micrometers Min-Max N/A N/A N/A 25 .Document Responsibility: Paints and Coatings Standards Committee Issue Date: 21 March 2012 Next Planned Update: 21 March 2017 09-SAMSS-069 Qualification Requirements for Epoxy Coatings for Atmospheric Service Table 1 – Dry Film Thickness (DFT) Requirements APCS APCS-1A APCS-1B APCS-1C APCS-1D APCS-1E APCS-1F 5.290 Performance Tests 5. and APCS-1F. Make a minimum of three trials and report the average. N/A Erosion No more than 10% of the total average thickness has been removed. ASTM D 523 Specular Gloss (Polyurethane Coatings Only) The reduction in gloss of the tested sample shall not exceed 20% compared to an untested sample. conduct adhesion tests on coated panels that have been prepared in accordance with paragraph 5. 450 kg capacity. and APCS-1C: 150ºC  For APCS-1D. APCS-1E.4. intercoat adhesion. Maximum Service Temperature The maximum service temperatures of the coating systems shall be as follows:  For APCS-1A. APCS-1B. APCS-1C. Scribe the coating and adhesive around the dolly prior to testing.3 Determine the adhesion of the prime coat to the substrate. and APCS-1F: 80ºC To verify compliance with these requirements.4. The adhesion shall be at least 90% of that Page 9 of 10 .2 and then exposed in an oven for 14 days at the appropriate temperature listed above. Adhesion Test a) Test panels shall be prepared in accordance with paragraph 5. and APCS-1F.2 09-SAMSS-069 Qualification Requirements for Epoxy Coatings for Atmospheric Service 9 for APCS-1B and APCS-1E. Allow the adhesive to cure as directed by adhesive supplier.3 except that the coatings shall be cured as shown in Table 3.4. or cohesion of any coat of the painting system by using an adhesion tester. The average shall be at least 2750 kPa (400 psi).Document Responsibility: Paints and Coatings Standards Committee Issue Date: 21 March 2012 Next Planned Update: 21 March 2017 Painted or Coated Specimens Subjected to Corrosive Environments 5. Table 3 Coating Drying Time at 25 ± 1ºC Inorganic zinc primer 14 days Zinc rich primer 24 hours Epoxy primer 72 hours Epoxy intermediate coat 72 hours Epoxy topcoat 5 days Polyurethane topcoat 5 days b) 5. APCS-1D. Lightly sand the coated surface and aluminum dolly and apply an epoxy adhesive. 10 for APCS-1A. 2 but not subsequently exposed in an oven.4.Document Responsibility: Paints and Coatings Standards Committee Issue Date: 21 March 2012 Next Planned Update: 21 March 2017 09-SAMSS-069 Qualification Requirements for Epoxy Coatings for Atmospheric Service obtained on samples prepared and tested in accordance with paragraph 5. Page 10 of 10 . 21 March 2012 Revision Summary Revised the "Next Planned Update". 6 Method of Packaging Coatings shall be packaged in accordance with 09-SAMSS-060. and reissued with editorial changes. Reaffirmed the contents of the document.