GMNA-GMP.PP.107-2004.pdf
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1、 ENGINEERING STANDARDS Material Specification Plastics GMP.PP.107 Polypropylene High Impact Copolymer, UV Stable, ISO Tests 1 Scope This specification covers the properties of Polypropylene - High Impact Copolymer for Interiors 1.1 Material Description. This product is intended for use for high impa
2、ct areas of vehicle Garnish Trim. 1.2 Symbol. The material abbreviation according to ISO 11469 is PP 1.3 Typical Applications. Typical applications include the following: Garnish Trim 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standa
3、rds/Specifications. ASTM D1603 ISO 527-1/2 ASTM D3012 ISO 1183 ASTM D3763 ISO 1873-2 ASTM D4218 ISO 3451-1 ASTM D5630 ISO 3795 ASTM E381 ISO 11469 ISO 78 SAE J369 ISO 178 SAE J1885 ISO 180/A SAE J1960 ISO 188 SAE J1976 ISO 294 2.2 GM Standards/Specifications. GM9032P GMW3059 GM9538P GMW3116 GMW3001
4、GMW3059 3 Requirements 3.1 Requirements on Delivery. Important physical, mechanical and thermal properties that characterize the material are summarized in charts. The color shall be specified on drawings, in material specifications and otherwise. Unless otherwise specified, injection molding of tes
5、t specimens shall be accomplished per ISO 294 with the conditions for injection molding from ISO 1873-2. All test specimens shall be brought to equilibrium in standard conditions for temperature and moisture and tested in that state as defined in GMW3221 Code A, unless the test method indicates that
6、 standard conditioning is not required. Condition specimens for a minimum of 24 h prior to testing or until moisture equilibrium is reached. If specimens are tested outside the conditioned environment, they shall be tested within 10 minutes of removal. The minimum values specified in the property ta
7、bles must be met by test specimens in natural, black, or in a standard sampled color if natural or black are not available. For colored grades where other pigment and additive systems (e.g. stabilizer) are used, the impact values shall not decrease more than 10% from the specified minimum value. Cop
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- GMNA GMP PP 107 2004
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