1、GM DAEWOO Auto & Technology EDS Engineering, GM DAEWOO Auto & Technology. Standards 30% GLASS FIBER REINFORCED POLYBUTYLENE TEREPHTHALATE/ POLYETHYLENE TEREPHTHALATE EDS-M-5571 ISSUED DATE: 2004. 07. 07 REVISED DATE: - VERSION: 1 EDS-M-552430% GLASS FIBER REINFORCED POLYBUTYLENE TEREPHTHALATE/ POLYE
2、THYLENE TEREPHTHALATE PAGE: 1/3 ISSUED DATE: 2004. 07. 07 REVISED DATE: - VERSION: 1 GM DAEWOO Auto & Technology 1. SCOPE This specification defines general requirements for raw materials of 30% Glass Fiber Reinforced Polybutylene Terephthalate/Polyethylene Terephthalate, applied to interior and ext
3、erior parts of a vehicle. 2. MATERIAL INDICATION Material indication: PBT/PET-GF30 Detailed contents shall conform to the indication method of synthetic resin materials for vehicles.(Spec. No: EDS-M-0101) 3. APPLICATION Glass fiber reinforced raw materials, which have excellent heat resistance and d
4、imensional stability as the PBT/PET alloy base, and use to the parts, which are required such as high rigidity, heat resistance and surface gloss. Ex) Ex) Rear Wiper Arm 4. REQUIREMENTS 4.1. Mechanical properties Type 1 Rockwell hardness EDS-T-7517 R Scale 118 Tensile strength (kg/cm2) EDS-T-7511 Te
5、st piece (133mm) Test speed (5mm/min) 1,200 Elongation (%) EDS-T-7511 Test piece (133mm) Test speed (5mm/min) 3 Flexural strength (kg/cm2) EDS-T-7518 Test piece (12712.76.4mm) Test speed (2.8mm/min) 1,600 Flexural modulus (kg/cm2) EDS-T-7510 Test piece (12712.76.4mm) Test speed (2.8mm/min) 75,000 Im
6、pact strength, IZOD (kg cm/cm) EDS-T-7514 Test piece (63.512.73.2mm) Room temperature -30 6 - EDS-M-552430% GLASS FIBER REINFORCED POLYBUTYLENE TEREPHTHALATE/ POLYETHYLENE TEREPHTHALATE PAGE: 2/3 ISSUED DATE: 2004. 07. 07 REVISED DATE: - VERSION: 1 GM DAEWOO Auto & Technology 4.2. Thermal properties
7、 Type 1 Heat deflection temperature() EDS-T-7520 Test piece(12712.76.4mm) 18.6kg/cm2200 4.3. General properties Density (g/cm3) EDS-T-7406 1.550.03Melt flow index(g/10 min) EDS-T-7516 250, 2.16 kg 24 Glass fiber content(%) EDS-T-7301 302 Note) All the mechanical, thermal and general property values
8、above indicate minimum values except having 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
9、. 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 materials Remark Type 1 Korea Engineering Plastics Co., Ltd., Kolon Chemical co., Ltd., GE Plastic KEPEX3730GF, KP513G30WBL,
10、VALOX8032U EDS-M-552430% GLASS FIBER REINFORCED POLYBUTYLENE TEREPHTHALATE/ POLYETHYLENE TEREPHTHALATE PAGE: 3/3 ISSUED DATE: 2004. 07. 07 REVISED DATE: - VERSION: 1 GM DAEWOO Auto & Technology 6.2. Approval and quality assurance procedure All raw materials shall be approved and regularly inspected
11、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 EDS-A-0101. 8. OTHERS 8.1. Coding syst
12、em Material specification of raw materials shall be indicated in drawings as follows. EDS-M- 5571 - 0 Required property 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
13、system of automotive plastic parts 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 and density of elastomers EDS-T-7510 Testing of plastics d
14、etermination 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 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
