1、GM DAEWOO Auto & Technology EDS Engineering, GM DAEWOO Auto & Technology Standards ACRYLONITRILE EPDM STYRENE COPOLYMER EDS-M-4312 ISSUED DATE: 1997. 03. 26 REVISED DATE: 2008. 03. 26 VERSION: 4 EDS-M-4312ACRYLONITRILE EPDM STYRENE COPOLYMER PAGE: 1/3 ISSUED DATE: 1997. 03. 26 REVISED DATE: 2008. 03
2、 26 VERSION: 4 GM DAEWOO Auto & Technology 1. SCOPE This specification defines general requirements for raw materials acrylonitrile-EPDM-styrene copolymer applied to interior or exterior parts of a vehicle. 2. MATERIAL INDICATION Material indication: % AES# Detailed contents shall conform to the in
3、dication method of synthetic resin materials for vehicles. (Spec. No: GMW3116) 3. APPLICATION 3.1. Type 1: UV stabilized heat resistance raw materials which have heat deflection temperature of 90 min. Ex) Out side rear view mirror housing 3.2. Type 2: UV stabilized low gloss raw materials which have
4、 heat deflection temperature of 90 min. and gloss degree of 20 max especially. Ex) Out side rear view mirror Housing 3.3. Type 3: UV stabilized heat resistance raw materials which have heat deflection temperature of 90 min. and improved flowability especially. Ex) Trunk lid handle Notice to Use Part
5、s which were molded using this specification material can be damaged as contacted by foam, rubber, seal, PVC products with plasticizer such as DOP, DOA, etc., because contacted parts can be chemically cracked by plasticizers migration. So the use of product must be avoided in case of contact. But, i
6、f the contact is necessary, surface treatment methods such as painting with clear coat, coated gold, etc must be used to prevent chemical crack by plasticizers migration. # Phthalic Acid Ester plasticizer: DOP(Di-Octyl Phathalate), DBP(Di -Butyl Phathalate), etc # Aliphatic Acid Ester plasticizer: D
7、OA(Di 2-ethyl- hexyl Adipate), etc 4. REQUIREMENTS 4.1. Mechanical properties Type 1 Type 2 Type 3 Rockwell hardness EDS-T-7517 R scale 100 100 100 Tensile strength (kg/cm2) EDS-T-7511 Test piece (133mm) Test speed(5mm/min) 500 500 500 EDS-M-4312ACRYLONITRILE EPDM STYRENE COPOLYMER PAGE: 2/3 ISSUED
8、DATE: 1997. 03. 26 REVISED DATE: 2008. 03. 26 VERSION: 4 GM DAEWOO Auto & Technology Type 1 Type 2 Type 3 Elongation (%) EDS-T-7511 Test piece (133mm) Test speed(5mm/min) 20 20 10 Flexural strength (kg/cm2) EDS-T-7518 Test piece (12712.76.4mm) Test speed(2.8mm/min) 600 600 650 Flexural modulus (kg/c
9、m2) EDS-T-7510 Test piece (12712.76.4mm) Test speed(2.8mm/min) 23,000 24,000 22,000 Impact strength, IZOD (kg cm/cm) EDS-T-7514 Test piece (63.512.73.2mm) Room temperature -30 10 3 15 3 8 3 4.2. Thermal properties Heat deflection temperature () EDS-T-7520 Test piece (12712.76.4mm) 18.6 kg/cm290 90 9
10、0 4.3. General properties Density (g/cm3) EDS-T-7406 1.040.01 1.040.011.040.01Melt flow index (g/10min) EDS-T-7516 200, 21.6kg 10 10 30 Note) All the physical property values above indicate minimum values except especially specified the range of property. 5. TEST PIECE AND TEST 5.1. Test piece Test
11、pieces shall be prepared with injection molding. Unless otherwise specified in the requirements of clause 4, they shall be conditioned at 235K and a relative humidity of 50% for 24 hours or more. 5.2. Test Tests shall be performed at 235K and a relative humidity of 50%. 6. APPROVAL OF RAW MATERIALS
12、6.1. Approved raw materials Division Approved suppliers Approved raw materials Remarks Type 1 KUMHO chemicals inc. HW600G Type 2 KUMHO chemicals inc. HW600 Type 3 KUMHO chemicals inc. HW600H EDS-M-4312ACRYLONITRILE EPDM STYRENE COPOLYMER PAGE: 3/3 ISSUED DATE: 1997. 03. 26 REVISED DATE: 2008. 03. 26
13、 VERSION: 4 GM DAEWOO Auto & Technology 6.2. Approval and quality assurance procedure All raw materials 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. E
14、DS-M-0102). 7. AUTOMOTIVE RESTRICTED HAZARDOUS SUBSTANCES Materials and components of parts must comply with GMW3059. 8. OTHERS 8.1. Coding system Material specification of raw materials shall be indicated in drawings as follows. EDS-M-4312 - 0 Required property type (clause 4) Material group (none)
15、 Material specification number 9. RELATED STANDARDS EDS-M-0102 Procedures for approval of chemical raw material and quality control EDS-T-7406 Determination of volume and density of elastomers EDS-T-7510 Testing of plastics determination of the modulus of elasticity by tensile, compression and flexu
16、ral test EDS-T-7511 Test method for the tensile property of plastics EDS-T-7514 Test method for determining the flexural strength of plastics EDS-T-7516 The test method for the melt flow index of thermoplastics EDS-T-7517 The test method for Rockwell hardness of plastics EDS-T-7518 The method for the flexural strength of plastics EDS-T-7520 Test for deflection temperature of plastics under load GMW 3059 Restricted and reportable substance for parts GMW 3116 Recyclability / recoverability guidelines
