1、GM DAEWOO Auto & Technology EDS Engineering, GM DAEWOO Auto & Technology. Standards 20% GLASS FIBER REINFORCED POLYBUTYLENE TEREPHTHALATE EDS-M-5523 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2003. 04. 25 VERSION: 4 EDS-M-552320% GLASS FIBER REINFORCED POLYBUTYLENE TEREPHTHALATE PAGE: 1/3 ISSUED DATE:
2、1994. 09. 10 REVISED DATE: 2003. 04. 25 VERSION: 4 GM DAEWOO Auto & Technology 1. SCOPE This specification defines general requirements for raw materials of 20% Glass Fiber Reinforced Polybutylene Terephthalate applied to interior and exterior parts of a vehicle. 2. MATERIAL INDICATION Material indi
3、cation: PBT-GF20 Detailed contents shall conform to the indication method of synthetic resin materials for vehicles.(Spec. No: EDS-M-0101) 3. APPLICATION 3.1. Group 1 : Glass fiber reinforced raw materials which have excellent heat resistance and dimensional stability and use PBT as the base. Ex) Wi
4、ndow Brush 3.2. Group 2 : Glass fiber reinforced raw materials which have excellent heat resistance and dimensional stability and use impact resistance PBT as the base. 4. REQUIREMENTS 4.1. Mechanical properties Group 1 Type 1 Group 2 Type 1 Rockwell hardness EDS-T-7517 R Scale 115 115 Tensile stren
5、gth (kg/cm2) EDS-T-7511 Test piece (133mm) Test speed (5mm/min) 1,080 950 Elongation (%) EDS-T-7511 Test piece (133mm) Test speed (5mm/min) 3 10 Flexural strength (kg/cm2) EDS-T-7518 Test piece (12712.76.4mm) Test speed (2.8mm/min) 1,600 1,400 Flexural modulus (kg/cm2) EDS-T-7510 Test piece (12712.7
6、6.4mm) Test speed (2.8mm/min) 62,500 60,000 EDS-M-552320% GLASS FIBER REINFORCED POLYBUTYLENE TEREPHTHALATE PAGE: 2/3 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2003. 04. 25 VERSION: 4 GM DAEWOO Auto & Technology Group 1 Type 1 Group 2 Type 1 Impact strength, IZOD (kg cm/cm) EDS-T-7514 Test piece (63.5
7、12.73.2mm)Room temperature -30 6.5 5.5 12 8 4.2. Thermal properties Heat deflection temperature() EDS-T-7520 Test piece (12712.76.4mm) 18.6kg/cm2210 205 4.3. General properties Density (g/cm3) EDS-T-7406 1.450.021.400.02 Melt flow index (g/10 min) EDS-T-7516 250, 2.16 kg 20 20 Glass fiber content (%
8、) EDS-T-7301 203 203 Note) All the mechanical, thermal and general property values above indicate minimum values except 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
9、 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 materials Remark Group 1 Type 1 Rhodia
10、 LG Chemical ltd, KOLON industries inc. Topex 4410GF4, Lupox GP2200, Spesin KP213G20 Group 2 Type 1 Rhodia Topex 4417GX4 EDS-M-552320% GLASS FIBER REINFORCED POLYBUTYLENE TEREPHTHALATE PAGE: 3/3 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2003. 04. 25 VERSION: 4 GM DAEWOO Auto & Technology 6.2. Approva
11、l 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-0102). 7. AUTOMOTIVE RESTRICTED HAZARDOUS SUBST
12、ANCES 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- 5523 - - Additionally required properties - WR : Weather Resistance - HG : High Gloss Required property type (cl
13、ause 4) Material group (clause 3)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-7301
14、 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 pr
15、operty of plastics EDS-T-7514 Test method for the IZOD impact 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
