1、GM DAEWOO Auto & Technology EDS Engineering, GM DAEWOO Auto & Technology Standards 20% TALC FILLED POLYPROPYLENE/EPDM RUBBER BLEND EDS-M-4634 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2009. 11. 03 VERSION: 16 20% TALC FILLED POLYPROPYLENE/EPDM RUBBER BLEND EDS-M-4634PAGE: 1/4 ISSUED DATE: 1994. 09. 10
2、 REVISED DATE: 2009. 11. 03 VERSION: 16 GM DAEWOO Auto & Technology 1. SCOPE This specification defines general requirements for raw materials of 20% talc filled polypropylene/EPDM rubber blend applied to interior and exterior parts of a vehicle. 2. MATERIAL INDICATION Material indication : PP+EPDM-
3、TD20 Detailed contents shall conform to the indication method of synthetic resin materials for vehicles.(Spec. No: GMW3116) 3. APPLICATION Raw materials that have excellent impact resistance as the EPDM rubber blend and heat resistance, stiffness and dimensional stability as the talc filling. Ex) In
4、strument panel 3.1. Type 6 : Raw Material, for hard type seamless PAB, which has excellent impact resistance under low temperature. 4. REQUIREMENTS 4.1. Mechanical properties Type 1 Type 2 Type 3 Type 4 Type 5 Type 6Rockwell hardness EDS-T-7517 R Scale - 75 85 75 - - Tensile strength (kg/cm2) EDS-T-
5、7511 Test piece (133mm) Test speed (50mm/min) 210 250 250 210 200 190 Elongation (%) EDS-T-7511 Test piece (133mm) Test speed (50mm/min) 100 50 50 100 100 300 Flexural strength (kg/cm2) EDS-T-7518 Test piece (12712.76.4mm)Test speed (28mm/min) 350 350 430 350 300 300 Flexural modulus (kg/cm2) EDS-T-
6、7510 Test piece (12712.76.4mm)Test speed (28mm/min) 25,00023,00025,000 21,000 21,00018,000Impact strength, IZOD (kg cm/cm) EDS-T-7514 Test piece (63.512.73.2mm)Room temperature -30 40 3 15 3 10 3 30 3 40 3 70 7 20% TALC FILLED POLYPROPYLENE/EPDM RUBBER BLEND EDS-M-4634PAGE: 2/4 ISSUED DATE: 1994. 09
7、 10 REVISED DATE: 2009. 11. 03 VERSION: 16 GM DAEWOO Auto & Technology 4.2. Thermal properties Type 1 Type 2 Type 3 Type 4 Type 5 Type 6Heat deflection temperature () EDS-T-7520 Test piece (12712.76.4mm)4.6 kg/cm2130 130 130 130 130 130 4.3. General properties Density (g/cm3) EDS-T-7406 1.060.021.0
8、40.021.060.021.040.021.060.021.020.02Melt flow index (g/10min) EDS-T-7516 230, 2.16kg 7 7 10 18 14 6 Talc content (%) EDS-T-7301 202202202 202 202202Pensile hardness EDS-T-7523 Non embossing - - 3B 3B 3B - Note) All the mechanical, thermal and general property values above indicate minimum values ex
9、cept having the specified ranges. 5. TEST PIECE AND TEST 5.1. Test piece Test 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 p
10、erformed at 235K and a relative humidity of 50%. 20% TALC FILLED POLYPROPYLENE/EPDM RUBBER BLEND EDS-M-4634PAGE: 3/4 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2009. 11. 03 VERSION: 16 GM DAEWOO Auto & Technology 6. APPROVAL OF RAW MATERIALS 6.1. Approved raw materials Division Approved suppliers Appro
11、ved raw materials Remarks Type 1 HONAM petrochemical CORP., HYOSUNG T&C co., ltd., Basell, CeplaHCA352T, 5212MHT, SIP223, CE472T1 Type 2 Basell, HONAM petrochemical CORP. MT4220R, HCA352S1, Type 3 DAELIM industrial co., ltd. HONAM petrochemical CORP PX246T2M, HCA352M Type 4 Basell, LG CALTEX, HONAM
12、petrochemical CORP., Cepla SIP5240, MT42DT, HSPP 352S, CE552 Type 5 Basell, SA Chemicals SIP423, CSP423D Type 6 Basell, HONAM petrochemical CORP., SA Chemicals, Pomatics, Cepla SIP3231, HDI352S, CSP3231, PR0641, CE462T1 6.2. Approval and quality assurance procedure All raw materials shall be approve
13、d 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 Materials and components of parts must comply with GMW 3059. 20
14、 TALC FILLED POLYPROPYLENE/EPDM RUBBER BLEND EDS-M-4634PAGE: 4/4 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2009. 11. 03 VERSION: 16 GM DAEWOO Auto & Technology 8. OTHERS 8.1. Coding system Material specification of raw materials shall be indicated in drawings as follows. EDS-M-4634 - 0 Required prope
15、rty type (clause 4) Material group (none) Material specification number 9. RELATED STANDARDS EDS-M-0102 Procedures for approval of chemical raw material and quality control EDS-T-7301 Test Method for Determining the Residue on Ignition (ASH) of Polymeric Materials EDS-T-7406 Determination of volume
16、and density of elastomers EDS-T-7510 Testing of plastics determination of the modulus of elasticity by tensile, compression and flexural 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 metho
17、d 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 EDS-T-7523 Test Method for the Pencil Hardness of Plastics GMW 3059 Restricted and reportable substance for parts GMW 3116 Recyclability / recoverability guidelines
