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| GM4350M |
| Painted Part Performance Requirements |
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GM4350M - Painted Part Performance Requirements
Scope:
This standard covers laboratory test requirements for a number of classes of paint finishes commonly used for automobile components. This standard does not cover appearance requirements or processing parameters (exception: see Section 3.1.1) which are expected to be specified in material specifications (998XXXX) and is not intended to cover paint finishes as used in connection with vacuum deposited metal coatings and hot stamped coatings. For painted plastic parts only, the combinations of substrate, surface preparation and applied paints shall be used that are shown in GM Approved Paint on Parts Systems (APOPS) database. When APOPS testing is performed each test must be completed on a minimum of 3 samples, each obtained from separate parts. Parts which are source primed and subsequently top-coated at assembly plants shall be capable of accepting the specified topcoat paint system and meet all the test requirements of this standard.
Standards Referenced in the GM4350M:
External Standards/Specifications
- ASTM D 3363 - Test Method for Film Hardness by Pencil Test
- SAE J2334 - Laboratory Cyclic Corrosion Test
- ISO 11014-1 - Safety Data Sheet For Chemical Products - Part 1: Content and Order of Sections GM Standards/Specifications
- GM9984303 - Phosphate Coating Final Sealant (Passivation) Rinse for Small Parts
- GM4298P - Salt Spray Test
- GM4465P - Water Fog Humidity Test
- GM9033P - Colorfastness to Crocking (Rubbing)
- GM9071P - Tape Adhesion Test for Paint Finishes
- GM9102P - Corrosion Creepback Test Method
- GM9125P - Procedures for Laboratory Accelerated Exposure of Automotive Materials
- GM9141P - Compatibility of Plastic Rolled Goods and Leather to White Vinyl and to White Leather
- GM9163P - Outdoor Weathering of Automotive Exterior Materials
- GM9500P - Gasoline Puddle Test for Gasoline Fill Areas
- GM9501P - Gasoline Dip Test for Painted Plastics
- GM9502P - Knife Cross-Hatch Adhesion Test
- GM9503P - Evaluating Brittleness of Painted Plastics and Sealants by Means of a Mandrel
- GM9504P - Oven Aging Test Procedure for Painted Plastic Substrates
- GM9505P - Automotive Environmental Cycles
- GM9506P - Dime Scrape Test to Determine Paint Adhesion and Brittleness
- GM9507P - Thumbnail Hardness Test for Painted Parts
- GM9508P - Chip Resistance of Coating
- GM9509P - Solvent Rub Method for Determining Cure of Painted Metal or Plastic Substrates
- GM9511P - Scab Corrosion Creepback of Paint Systems on Metal Substrates
- GM9515P - Abrasion Resistance of Organic Coatings (Taber Abraser Method)
- GM9516P - Wear Resistance - Canvas Belt Wear Tester
- GM9540P - Accelerated Corrosion Test
- GMW3059 - Restricted and Reportable Substances for Parts