1、GM DAEWOO Auto & Technology EDS Engineering, GM DAEWOO Auto & Technology Standards POLYETHYLENE FILM EDS-M-6326 ISSUED DATE: 1994. 09. 02 REVISED DATE: 2003. 06. 24 VERSION: 3 EDS-M-6326POLYETHYLENE FILM PAGE: 1/2 ISSUED DATE: 1994. 09. 02 REVISED DATE: 2003. 06. 24 VERSION: 3 GM DAEWOO Auto & Techn
2、ology 1. PURPOSE This specification specifies the requirements of basic property for the polyethylene film used for door sealing in automobile. 2. SCOPE This specification applies to the sealing film for door. 3. MATERIAL Polyethylene film 4. REQUIREMENTS Test Designations Test Methods Specification
3、s 4.1. Material Polyethylene 4.2. Weight per unit area EDS-T-7611 150 g/m2 min. 4.3. Thickness EDS-T-7624-1A 0.1 mm min. 4.4. Tensile strength EDS-T-7132-F 4.4.1. In longitudinal direction 4.4.2. In transverse direction 12 N/mmK min. 12 N/mmK min. 4.5. Tensile extension EDS-T-7132-F 4.5.1. In longit
4、udinal direction 4.5.2. In transverse direction 350 % min. 350 % min. 4.6. Tear propagation EDS-T-7666 4.6.1. In longitudinal direction 4.6.2. In transverse direction 35N min. 35N min. 4.7. Temperature stability EDS-T-7604-1B 4.7.1. Dimensional change (1) In longitudinal direction (2) In transverse
5、direction -1.0% max. 1.0% max. 4.8. Low temperature resistance 4.8.1. In longitudinal direction 4.8.2. In transverse direction EDS-T-7605 -G100, H100- No cracks No cracks 4.9. Volatility of organic constituents EDS-T-7694 - Reflectance 60% min. 4.10. Resistance to odor EDS-T-7603 4.10.1. A1 Rating 5
6、 min. 4.10.2. B1 Rating 5 min. 4.11. Flammability EDS-T-7602 - Burn rate 90mm/min max. EDS-M-6326POLYETHYLENE FILM PAGE: 2/2 ISSUED DATE: 1994. 09. 02 REVISED DATE: 2003. 06. 24 VERSION: 3 GM DAEWOO Auto & Technology 5. ADDITIONAL REQUIREMENTS 5.1. Further details, see parts drawings 6. APPROVAL AND
7、 QUALITY ASSURANCE PROCEDURE All raw material shall be approved and regularly inspected for its quality prior to and during mass production delivery according to approval and quality assurance procedure for chemical raw materials (Spec. no. EDS-M-0102) 7. AUTOMOTIVE RESTRICTED HAZARDOUS SUBSTANCES M
8、aterials and components of parts must comply with EDS-A-0101. 8. CODING SYSTEM This material specification shall be indicated in drawings or other specifications as follows. “EDS-M-6326” 9. RELATED STANDARDS EDS-A-0101 Material coding system of vehicle plastic and elastomer components and materials
9、EDS-M-0102 Procedures for approval of chemical raw material and quality control EDS-T-7132 Test method for tensile strength & elongation EDS-T-7602 Test method for flammability of interior materials EDS-T-7603 Test method for odor of interior materials EDS-T-7604 Test method for determining the temp
10、erature stability of automotive trims materials EDS-T-7605 Test method for determining the low temperature resistance of automotive trim materials EDS-T-7611 Test method for determining weight per unit area EDS-T-7624 Test method for determining thickness of trims materials EDS-T-7666 Test method for determining the tear propagation of plastic films EDS-T-7669 Test method for tensile strength and elongation of cellular materials EDS-T-7694 Test method for determining forging characteristics of automotive interior trim materials