1、GM DAEWOO Auto & Technology EDS Engineering, GM DAEWOO Auto & Technology Standards 10% TALC FILLED POLYPROPYLENE EDS-M-4231 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2008. 12. 08 VERSION: 13 EDS-M-423110% TALC FILLED POLYPROPYLENE PAGE: 1/4 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2008. 12. 08 VERSION:
2、 13 GM DAEWOO Auto & Technology 1. PURPOSE This specification defines general requirements for raw materials of 10% talc filled polypropylene applied to interior or exterior parts of a vehicle. 2. SCOPE This specification shall be applied to raw materials of 10% talc filled polypropylene used in all
3、 passenger cars by GM DAEWOO Auto & Technology Company (hereinafter referred to as the “GMDAT“). 3. MATERIAL INDICATION Material indication: PP-T10 Detailed contents shall conform to the indication method of synthetic resin materials for vehicles. (Spec. No: GMW3116) 4. APPLICATION 4.1. Group 1 : Ta
4、lc filled raw materials which have excellent heat resistance and dimensional stability and use high crystalline polypropylene as base especially for the improvement of impact strength, scratch resistance and rigidity. 4.2. Group 2 : Talc filled raw materials which have excellent heat resistance and
5、dimensional stability, and use polypropylene copolymer as base for the improvement of impact strength. Ex) Air cleaner, Blow impeller 4.3. Group 3 : Talc filled raw materials which have excellent heat resistance and dimensional stability and use polypropylene homopolymer. 4.4. Group 4 4.4.1. Type 1
6、: Talc filled raw materials which have excellent heat resistance and dimensional stability and improved scratch resistance, which is added a little content of rubber for improvement of impact strength. Ex) Door trim 4.4.2. Type 2 : Talc filled raw materials which have excellent heat resistance and d
7、imensional stability, which is added a little content of rubber for improvement of impact strength. Ex) Pillar EDS-M-423110% TALC FILLED POLYPROPYLENE PAGE: 2/4 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2008. 12. 08 VERSION: 13 GM DAEWOO Auto & Technology 5. REQUIREMENTS 5.1. Mechanical properties Gro
8、up 2Type 1 Group 3 Type 1 Group 4Type 1 Group 4Type 2 Rockwell hardness EDS-T-7517 R Scale 90 95 90 95 Tensile strength (kg/cm2) EDS-T-7511 Test piece (133mm) Test speed (50mm/min) 270 450 250 210 Elongation (%) EDS-T-7511 Test piece (133mm) Test speed (50mm/min) 50 50 70 120 Flexural strength (kg/c
9、m2) EDS-T-7518 Test piece (12712.76.4mm) Test speed (28mm/min) 370 450 350 330 Flexural modulus (kg/cm2) EDS-T-7510 Test piece (12712.76.4mm) Test speed (28mm/min) 18,000 21,000 18,000 15,000 Impact strength, IZOD (kg cm/cm) EDS-T-7514 Test piece (63.512.73.2mm) Room temperature -30 7 2 4 2 8 - 12 -
10、 5.2. Thermal properties Heat deflection temperature() EDS-T-7520 Test piece (12712.76.4mm) 4.6kg/cm2125 130 125 120 5.3. General properties Density (g/cm3) EDS-T-7406 0.970.020.970.02 0.950.020.940.02Melt flow index (g/10min) EDS-T-7516 230, 2.16kg 10 10 18 10 Talc content(%) EDS-T-7301 103 103 72
11、82 Pensile hardness EDS-T-7523 Non embossing - - 3B - Note) All the mechanical, thermal and general property values above indicate minimum values except having the specified ranges. EDS-M-423110% TALC FILLED POLYPROPYLENE PAGE: 3/4 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2008. 12. 08 VERSION: 13 GM
12、DAEWOO Auto & Technology 6. TEST PIECE AND TEST 6.1. Test piece Test pieces shall be prepared with injection molding. Unless otherwise specified in the requirements of clause 5, they shall be conditioned at 235K and a relative humidity of 50% for 24 hours or more. 6.2. Test Tests shall be performed
13、at 235K and a relative humidity of 50%. 7. APPROVAL OF RAW MATERIALS 7.1. Approved raw materials Division Approved suppliers Approved raw materials Remarks Group 2 Type 1 DAELIM industrial co., ltd. HONAM petroleum chemical co., ltd. Basell, SAMSUNG total petrochemical Co., Ltd.,SA Chemicals, Pomati
14、cs PX246T1, A351, MT4120, TB51D, CM312, PK1021 Group 3 Type 1 RHODIA, LG chemical ltd., Basell, 5111MF, GP3100, MT4110 Group4 Type 1 LG chemical ltd. Basell, HM3102M, SDT4120 Group4 Type 2 HONAM Petrochemical Corporation, Basell, Pomatics A351R1, MT2110, PK1022 7.2. Approval and quality assurance pr
15、ocedure 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. EDS-M-0102). 8. AUTOMOTIVE RESTRICTED HAZARDOUS SUBSTANCES Materials and compon
16、ents of parts must comply with GMW 3059. EDS-M-423110% TALC FILLED POLYPROPYLENE PAGE: 4/4 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2008. 12. 08 VERSION: 13 GM DAEWOO Auto & Technology 9. OTHERS 9.1. Coding system Material specification of raw materials shall be indicated in drawings as follows. EDS-
17、M-4231 - Requirement type (clause 5) Material group (clause 4)Material specification Number 10. 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 Det
18、ermination of volume 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-
19、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 EDS-T-7523 Test method for the pensile hardness of plastics GMW 3059 Restricted and reportable substance for parts GMW 3116 Recyclability / recoverability guidelines
