GMNA-GMP.PE.017-2003.pdf
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1、 ENGINEERING STANDARDS Material Specification Plastics GMP.PE.017 Polyethylene 25% Filled, High Density, Sheet Extrudable, Blow Moldable, Homopolymer 1 Scope This specification covers the properties of a 25% talc filled, high density, sheet extrudable, blow moldable, and polyethylene homopolymer. 1.
2、1 Symbol. The material abbreviation according to ISO 11469 is PE-TD25 1.2 Typical Applications. Typical applications include the following: Underhood air induction components, seat backs, and HVAC ducts. 2 References Note: Only the latest approved standards are ap- plicable unless otherwise specifie
3、d. 2.1 External Standards/Specifications. ASTM D638 ASTM D1928 ASTM D648 ASTM D3763 ASTM D790 ISO 11469 ASTM D792 2.2 GM Specifications. GM9036P GMW3059 GMW3001 3 Requirements 3.1 Requirements on Delivery. Requirements for Test Specimens Tests shall be conducted using the latest issue of the test me
4、thods indicated. Suitable precautions should be taken to ensure that applicable safe limits are not exceeded when conducting test pro- cedures, processes, and/or handling the materials required by this specification. Test specimens shall be compression molded according to ASTM D1928; Procedure C. Te
5、st specimens shall be 1.9 0.2 mm thick unless oth- erwise specified in this GMP specification. Tests shall be conducted 40 h minimum after molding and immediately following a conditioning period of 24 h minimum at 22 3C and 50 5% RH unless otherwise specified. All tests shall be performed on unannea
6、led specimens. In addition, tests specified at temperatures below or above 22 3C shall be conducted at the specified tempera- ture using specimens conditioned at the specified temperature for 4 h minimum. Tests shall be conducted on dry-as-molded, unan- nealed test specimens. The minimum values spec
7、ified in the property ta- bles must be met by test specimens in natural, black, or in a standard sampled color if natural or black are not available. 3.1.1 Chemical Requirements. All parts manu- factured from molding compounds shall be resis- tant to the media they contact, such as aliphatic and aro
8、matic hydrocarbons, fuels, lubricants, oils, greases and alcohols, at their places of use. Copyright 2003 General Motors Corporation All Rights Reserved June 2003 Originating Department: North American Engineering Standards Page 1 of 3 Copyright General Motors North America Provided by IHS under lic
9、ense with GM Licensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 06/23/2008 23:26:59 MDTNo reproduction or networking permitted without license from IHS -,-,- GMP.PE.017 GM ENGINEERING STANDARDS 3.1.2 Mechanical Requirements. Table 1: Mechanical Requirements Mechanical Properties Test
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