SSPC COATING SYSTEM NO. 27.00.pdf

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SSPC-PS 27.00 June 1, 2000 300 SSPC: The Society for Protective Coatings COATING SYSTEM NO. 27.00 Alkyd Coating System Materials Specification, Performance-Based 1. Scope 1.1 This specification covers the requirements for an air-drying solvent-based alkyd coating system consisting of two or more coats of alkyd intended for use over blast cleaned steel. (See Note 13.1.) The specification covers both the system and the individual coating requirements. The requirements are based primarily on the performance of the coating system. 1.2 The coating system is suitable for exposure in Environmental Zones 1A (interior, normally dry), 1B (exte- rior, normally dry), 2A (frequently wet by fresh water, excluding immersion), and 2B (frequently wet by salt water, excluding immersion). (See Note 13.2.) The coating system is classified according to the drying time (fast, medium, slow) of the slowest drying coating layer. 2. Description 2.1 This multi-coat alkyd coating system specification does not cover coating systems comprised of water-reduc- ible alkyds. 2.2 DRYING TIME: The coating system shall be clas- sified as Type 1 (fast drying), Type 2 (medium drying), or Type 3 (slow drying). See Section 6.4 regarding test meth- ods and criteria for drying time. 2.3 FINISH COAT GLOSS: The finish coat shall be designated as flat, semigloss, or gloss in accordance with Section 7.3. 3. Reference Standards 3.1 The standards referenced in this specification are listed in Sections 3.4 through 3.7, and form a part of this specification. A standard marked with an asterisk (*) is referenced only in the Notes, which are not requirements of this specification. 3.2 The latest issue, revision, or amendment of the referenced standards in effect on the date of invitation to bid shall govern unless otherwise specified. 3.3 If there is a conflict between the requirements of any of the cited reference standards and this specification, the requirements of this specification shall prevail. 3.4 SSPC STANDARDS AND JOINT STANDARDS: Guide 13Guide for the Identification and Use of Industrial Coating Systems in Com- puterized Product Databases PA 1Shop, Field, and Maintenance Paint- ing of Steel PA 2Measurement of Dry Coating Thick- ness with Magnetic Gages SP 1Solvent Cleaning SP 5/NACE No. 1White Metal Blast Cleaning VIS 2Standard Method of Evaluating De- gree of Rusting on Painted Steel Surfaces 3.5 AMERICAN SOCIETY FOR TESTING AND MA- TERIALS (ASTM) STANDARDS: A 36Specification for Carbon Structural Steel A 607Specification for Steel, Sheet and Strip, High-Strength, Low-Alloy, Columbium or Vanadium, or Both, Hot-Rolled and Cold- Rolled D 522Test Methods for Mandrel Bend Test of Attached Organic Coatings D 523Test Method for Specular Gloss * D 562Test Method for Consistency of Paints Using the Stormer Viscometer D 714Test Method for Evaluating Degree of Blistering of Paints * D 823Practices for Producing Films of Uniform Thickness of Paint, Varnish, and Related Products on Test Panels * D 1296Test Method for Odor of Volatile Solvents and Diluents * D 1475Test Method for Density of Paint, Varnish, Lacquer, and Related Products * D 1535Practice for Specifying Color by the Munsell System D 1640Test Methods for Drying, Curing, or Film Formation of Organic Coatings at Room Temperature D 1654Test Method for Evaluation of Painted or Coated Specimens Subjected to Corro- sive Environments * D 2369Test Method for Volatile Content of Coat- ings SSPC-PS 27.00 June 1, 2000 301 * D 2371Test Method for Pigment Content of Sol- vent-Reducible Paints * D 2621Test Method for Infrared Identification of Vehicle Solids from Solvent-Reducible Paints D 3359Test Methods for Measuring Adhesion by Tape Test D 3363Test Method for Film Hardness by Pencil Test D 3925Practice for Sampling Liquid Paints and Related Pigmented Coatings D 4417Test Methods for Field Measurement of Surface Profile of Blast Cleaned Steel D 4585Practice for Testing the Water Resistance of Coatings Using Controlled Condensa- tion D 4940Test Method for Conductimetric Analysis of Water-Soluble Ionic Contamination of Blasting Abrasives D 5894Standard Practice for Cyclic Salt Fog/UV Exposure of Painted Metal, (Alternating Exposures in a Fog/Dry Cabinet and a UV/Condensation Cabinet) 3.6 AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) STANDARD: Z129.1Hazardous Industrial Chemicals-Precau- tionary Labeling 3.7 FEDERAL SPECIFICATIONS AND STANDARDS: FED-STD-141 Paint, Varnish, Lacquer and Related Materials: Methods of Inspection, Sampling and Testing Method 3011Condition in Container Method 3021Skinning (Partially Filled Container) Method 4321Brushing Properties Method 4331Spraying Properties Method 4541Working Properties and Appearance of Dried Film 4. Composition Requirements of Coating 4.1 RESIN REQUIREMENT: The resin component (non-volatile vehicle) shall be a minimum of 50% by weight of alkyd. An alkyd resin is defined as a resin system primarily derived from the esterification reaction product of a polyhydric al
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