1、GM DAEWOO Auto & Technology EDS Engineering, GM DAEWOO Auto & Technology. Standards 10% BARIUM SULPHATE FILLED POLYPROPYLENE EDS-M-4261 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2003. 05. 06 VERSION: 3 EDS-M-426110% BARIUM SULPHATE FILLED POLYPROPYLENE PAGE: 1/3 ISSUED DATE: 1994. 09. 10 REVISED DATE:
2、 2003. 05. 06 VERSION: 3 GM DAEWOO Auto & Technology 1. SCOPE This specification defines general requirements for raw materials of 10% Barium Sulphate Filled Polypropylene applied to interior and exterior parts of a vehicle. 2. MATERIAL INDICATION Material indication: PP-M10 Detailed contents shall
3、conform to the indication method of synthetic resin materials for vehicles.(Spec. No: EDS-M-0101) 3. APPLICATION Raw materials filled with Barium Sulphate for the characteristic of high gloss. Ex.) Lamp Housing 4. REQUIREMENTS 4.1. Mechanical properties Type 1 Rockwell hardness EDS-T-7517 R Scale 95
4、 Tensile strength(kg/cm2) EDS-T-7511 Test piece(133mm) Test speed(50mm/min) 300 Elongation(%) EDS-T-7511 Test piece(133mm) Test speed(50mm/min) 50 Flexural strength(kg/ ) EDS-T-7518 Test piece(12712.76.4mm) Test speed(28mm/min) 400 Flexural modulus(kg/ ) EDS-T-7510 Test piece(12712.76.4mm) Test spee
5、d(28mm/min) 17,000 Impact strength, IZOD (kg cm/cm) EDS-T-7514 Test piece (63.512.73.2mm) Room temperature -30 5 2 EDS-M-426110% BARIUM SULPHATE FILLED POLYPROPYLENE PAGE: 2/3 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2003. 05. 06 VERSION: 3 GM DAEWOO Auto & Technology 4.2. Thermal properties Type 1 H
6、eat deflection temperature() EDS-T-7520 Test piece(12712.76.4X ) 4.6kg/cm2125 4.3. General properties Density(g/cm3) EDS-T-7506 0.97 Melt flow index (g/10min) EDS-T-7516 230, 2.16kg 10 Barium Sulphate contents (%) EDS-T-7301 10 Note) All the mechanical, thermal and general property values above indi
7、cate minimum values except density. 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
8、 performed at 235K and a relative humidity of 50%. 6. APPROVAL OF RAW MATERIALS 6.1. Approved raw materials Division Approved suppliers Approved raw materials Remark Type 1 Hyosung T&C co., ltd.LG Chemical 5272THK, HG3100 6.2. Approval and quality assurance procedure All raw materials shall be appro
9、ved and regularly inspected for its quality prior to and during mass production delivery according to approval and quality assurance procedure for plastic raw materials (Spec. No. EDS-M-0102). EDS-M-426110% BARIUM SULPHATE FILLED POLYPROPYLENE PAGE: 3/3 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2003.
10、05. 06 VERSION: 3 GM DAEWOO Auto & Technology 7. AUTOMOTIVE RESTRICTED HAZARDOUS SUBSTANCES Materials and components of parts must comply with EDS-A-0101. 8. OTHERS 8.1. Coding system Material specification of raw materials shall be indicated in drawings as follows. EDS-M-4261 - 0 Required property
11、type(clause 4) Material group(none) Material specification number 9. RELATED STANDARDS EDS-A-0101 Automotive restricted hazardous substances for parts EDS-M-0101 Material coding system of automotive plastic parts EDS-M-0102 Procedures for approval of chemical raw material and quality control EDS-T-7
12、301 Test 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
13、 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
