1、GM DAEWOO Auto & Technology EDS Engineering, GM DAEWOO Auto & Technology Standards 45% GLASS FIBER AND TALC REINFORCED POLYPROPYLENE EDS-M-4254 ISSUED DATE: 1997. 12. 03 REVISED DATE: 2007. 12. 17 VERSION: 4 EDS-M-425445% GLASS FIBER AND TALC REINFORCED POLYPROPYLENE PAGE: 1/3 ISSUED DATE: 1997. 12.
2、 03 REVISED DATE: 2007. 12. 17 VERSION: 4 GM DAEWOO Auto & Technology 1. SCOPE This specification defines general requirements for raw materials of 45% glass fiber and talc reinforced polypropylene applied to interior or exterior parts of a vehicle. 2. MATERIAL INDICATION Material indication: PP-GF-
3、T45 Detailed contents shall conform to the indication method of synthetic resin materials for vehicles. (Spec. No: GMW3116) 3. APPLICATION Talc filled raw material which have excellent heat resistance and dimensional stability, and especially improved rigidity as a little amount of glass fiber conte
4、nt. Ex) ECM bracket 4. REQUIREMENTS 4.1. Mechanical properties Type 1 Rockwell hardness EDS-T-7517 R Scale 110 Tensile strength (kg/cm2) EDS-T-7511 Test piece (133mm) Test speed (5mm/min) 300 Elongation (%) EDS-T-7511 Test piece (133mm) Test speed (5mm/min) 5 Flexural strength (kg/cm2) EDS-T-7518 Te
5、st piece (12712.76.4mm) Test speed (2.8mm/min) 400 Flexural modulus (kg/cm2) EDS-T-7510 Test piece (12712.76.4mm) Test speed (2.8mm/min) 48,000 Impact strength, IZOD (kg cm/cm) EDS-T-7514 Test piece (63.512.76.4mm) Room temperature -30 3 - EDS-M-425445% GLASS FIBER AND TALC REINFORCED POLYPROPYLENE
6、PAGE: 2/3 ISSUED DATE: 1997. 12. 03 REVISED DATE: 2007. 12. 17 VERSION: 4 GM DAEWOO Auto & Technology 4.2. Thermal properties Type 1 Heat deflection temperature () EDS-T-7520 Test piece (12712.76.4mm) 4.6kg/cm2145 4.3. General properties Density (g/cm3) EDS-T-7406 1.25 Melting flow index (g/10min) E
7、DS-T-7516 230, 2.16kg 5 Glass fiber and talc content (%) EDS-T-7301 45 Note) All the mechanical, thermal and general property values above indicate minimum values except density. 5. TEST PIECE AND TEST 5.1. Test piece Test pieces shall be prepared with compression molding. Unless otherwise specified
8、 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 6.1. Approved raw materials Division Approved suppliers Approved raw materi
9、als Remarks Type 1 Basell MT4220G 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. EDS-M-0
10、102). 7. AUTOMOTIVE RESTRICTED HAZARDOUS SUBSTANCES Materials and components of parts must comply with GMW3059. EDS-M-425445% GLASS FIBER AND TALC REINFORCED POLYPROPYLENE PAGE: 3/3 ISSUED DATE: 1997. 12. 03 REVISED DATE: 2007. 12. 17 VERSION: 4 GM DAEWOO Auto & Technology 8. OTHERS 8.1. Coding syst
11、em Material specification of raw materials shall be indicated in drawings as follows. EDS-M-4254 - 0 Required property 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 Tes
12、t method for determining the residue on ignition (ash) of polymeric materials 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 flexural test EDS-T-7511 Test method for the tensile proper
13、ty 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
