GMNA-GMP.TES.014-2005.pdf
《GMNA-GMP.TES.014-2005.pdf》由会员分享,可在线阅读,更多相关《GMNA-GMP.TES.014-2005.pdf(3页珍藏版)》请在三一文库上搜索。
1、 ENGINEERING STANDARDS Material Specification Plastics GMP.TES.014 Thermoplastic Elastomer - Styrene Block Copolymer, Shore D34, 240 MPa Flexural Modulus, Interior, Integrally Colored Copyright 2005 General Motors Corporation All Rights Reserved August 2005 Originating Department: North American Eng
2、ineering Standards Page 1 of 3 1 Scope This specification covers the properties of a natural, UV stabilized thermoplastic elastomer consisting of polypropylene and SEBS (styrene/ethylene/butylene/styrene) rubber for interior applications. 1.1 Typical Application. Typical applications include the fol
3、lowing: molded-in-color airbag covers. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. ASTM D3763 ISO 1183 ISO 34-1 SAE J1545 ISO 37 SAE J1639 ISO 178 SAE J1885 ISO 868 SAE J2236 2.2 GM Standards/Specifications.
4、GM1002M GMW3059 GM9305P GMW3221 GMW3001 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. 3.2 Requirements on
5、Test Specimens. Tests shall be conducted using the latest issue of the test methods indicated. Suitable precautions should be taken to ensure that applicable safe limits are not exceeded when conducting test procedures, processes, and/or handling the materials required by this specification. Test sp
6、ecimens shall be die cut from fan gated injection molded plaques having a nominal thickness of 2.0 0.2 mm. Die cut specimens are to be tested with the long axis of the test specimen perpendicular to the direction of flow. Plaque dimensions must be sufficient to permit this. Tests shall be conducted
7、40 h minimum after molding and immediately following a conditioning period of 24 h minimum per GMW3221 Code A, unless otherwise specified. All tests shall be performed on unannealed specimens. In addition, tests specified at temperatures below or above 22 3 C shall be conducted at the specified temp
8、erature using specimens conditioned at the specified temperature for 4 h minimum. The minimum values specified in the property tables 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 addi
9、tive systems (e.g., stabilizer) are used, the impact values shall not decrease more than 10 % from the specified minimum value. 3.3 Compound Properties. See Table 1 and Table 2. 4 Manufacturing Process Not applicable. 5 Rules and Regulations 5.1 All materials supplied to this specification must comp
10、ly with the requirements of GMW3001, Rules and Regulations for Material Specifications and GM1002M, Standard Requirements Plastics. 5.2 All materials supplied to this specification must comply with the requirements of GMW3059, Restricted and Reportable Substances for Parts. 6 Approved Sources Engine
11、ering qualification of an approved source is required for this specification. Only sources listed in the GM Materials File (i.e., MATSPC) under this specification number have been Copyright General Motors North America Provided by IHS under license with GM Licensee=IHS Employees/1111111001, User=Jap
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- GMNA GMP TES 014 2005
链接地址:https://www.31doc.com/p-3767910.html