1、GM DAEWOO Auto & Technology EDSE ngineering,GM DAEWOO Auto & Technology.Standards 30% GLASS FIBER REINFORCED POLYBUTYLENE TEREPHTHALATE EDS-M-5524 ISSUED DATE: 1994. 09. 10 REVISEDDATE: 2003. 04. 25 VERSION: 4EDS-M-5524 30% GLASS FIBER REINFORCED POLYBUTYLENE TEREPHTHALATE PAGE: 1/4 ISSUED DATE: 199
2、4. 09. 10 REVISED DATE: 2003. 04. 25 VERSION: 4 GM DAEWOO Auto & Technology 1. SCOPE This specification defines general requirements for raw materials of 30% Glass Fiber Reinforced Polybutylene Terephthalate, applied to interior and exterior parts of a vehicle. 2. MATERIAL INDICATION Material indica
3、tion: PBT-GF30 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) Wip
4、er Gear Box, Bobin, Idle Speed Actuator, Terminal, Air Flow Sensor Body 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. Ex) Motor Housing 4. REQUIREMENTS 4.1. Mechanical properties Group 1 T
5、ype 1 Group 2 Type 1 Rockwell hardness EDS-T-7517 R Scale 120 120 Tensile strength (kg/cm 2 ) EDS-T-7511 Test piece (13 3mm) Test speed (5mm/min) 1,300 1,200 Elongation (%) EDS-T-7511 Test piece (13 3mm) Test speed (5mm/min) - - Flexural strength (kg/cm 2 ) EDS-T-7518 Test piece (127 12.7 6.4mm) Tes
6、t speed (2.8mm/min) 2,000 1,800EDS-M-5524 30% GLASS FIBER REINFORCED POLYBUTYLENE TEREPHTHALATE PAGE: 2/4 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2003. 04. 25 VERSION: 4 GM DAEWOO Auto & Technology Group 1 Type 1 Group 2 Type 1 Flexural modulus (kg/cm 2 ) EDS-T-7510 Test piece (127 12.7 6.4mm) Test
7、speed (2.8mm/min) 85,000 75,000 IZOD (kg cm/cm) EDS-T-7514 Test piece (63.5 12.7 3.2mm) Room temperature -30 6 - 15 10 4.2. Thermal properties Heat deflection temperature( ) EDS-T-7520 Test piece(127 12.7 6.4mm) 18.6kg/cm 2 210 205 4.3. General properties Density (g/cm 3 ) EDS-T-7406 1.53 0.02 1.45
8、0.02 Melt flow index(g/10 min) EDS-T-7516 250 , 2.16 kg 15 15 Glass fiber content(%) EDS-T-7301 30 3 30 3 Note) All the mechanical, thermal and general property values above indicate minimum values except having specified ranges. 5. TEST PIECE AND TEST 5.1. Test piece Test pieces shall be prepared w
9、ith injection molding. Unless otherwise specified in the requirements of clause 4, they shall be conditioned at 23 5K and a relative humidity of 50% for 24 hours or more. 5.2. Test Tests shall be performed at 23 5K and a relative humidity of 50%.EDS-M-5524 30% GLASS FIBER REINFORCED POLYBUTYLENE TER
10、EPHTHALATE PAGE: 3/4 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2003. 04. 25 VERSION: 4 GM DAEWOO Auto & Technology 6. APPROVAL OF RAW MATERIALS 6.1. Approved raw materials Division Approved suppliers Approved raw materials Remark Group 1 Type 1 Rhodia LG Chemical co., ltd SK Chemical co., ltd Kolon Ch
11、emical co., ltd. Samyang CORP. GE Plastic Topex 4410GF6 Lupox GP2300 Skyton 1060 KP213G30, Tribit 1500G30, Valox 8032U Group 2 Type 1 SK Chemical ltd Skyton 1062 6.2. Approval and quality assurance procedure All raw materials shall be approved and regularly inspected for its quality prior to and dur
12、ing 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 system Material specification of ra
13、w materials shall be indicated in drawings as follows. EDS-M- 5524 - - Additionally required properties:- WR : Weather resistance- HG : High gloss Required property type(clause 4) Material group(clause 3) Material specification number EDS-M-5524 30% GLASS FIBER REINFORCED POLYBUTYLENE TEREPHTHALATE
14、PAGE: 4/4 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2003. 04. 25 VERSION: 4 GM DAEWOO Auto & Technology 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
15、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 determination of the modulus of elasticity by tensile, compression and flexural test ED
16、S-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
