GMKOREA EDS-M-5521-2003 10% GLASS FIBER REINFORCED POLYBUTYLENE TEREPHTHALATE (VERSION 4).pdf

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1、GM DAEWOO Auto & Technology EDS Engineering, GM DAEWOO Auto & Technology. Standards 10% GLASS FIBER REINFORCED POLYBUTYLENE TEREPHTHALATE EDS-M-5521 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2003. 04. 25 VERSION: 4 EDS-M-552110% GLASS FIBER REINFORCED POLYBUTYLENE TEREPHTHALATE PAGE: 1/3 ISSUED DATE:

2、1993. 09. 10 REVISED DATE: 2003. 04. 25 VERSION: 4 GM DAEWOO Auto & Technology 1. SCOPE This specification defines general requirements for raw materials of 10% Glass Fiber Reinforced Polybutylene Terephthalate applied to interior and exterior parts of a vehicle. 2. MATERIAL INDICATION Material indi

3、cation: PBT-GF10 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) Di

4、stributor Cap, Connector 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

5、 Tensile strength (kg/cm2) EDS-T-7511 Test piece (133mm) Test speed (5mm/min) 840 750 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) 1,250 750 Flexural modulus (kg/cm2) EDS-T-7510 Test piec

6、e (12712.76.4mm) Test speed (2.8mm/min) 43,000 38,000 Impact strength, IZOD (kg cm/cm) EDS-T-7514 Test piece (63.512.73.2mm)Room temperature -30 3.5 2.5 10 5 EDS-M-552110% GLASS FIBER REINFORCED POLYBUTYLENE TEREPHTHALATE PAGE: 2/3 ISSUED DATE: 1993. 09. 10 REVISED DATE: 2003. 04. 25 VERSION: 4 GM D

7、AEWOO Auto & Technology 4.2. Thermal properties Group 1 Type 1 Group 2 Type 1 Heat deflection temperature() EDS-T-7520 Test piece (12712.76.4mm) 18.6kg/cm2195 185 4.3. General properties Density (g/cm3) EDS-T-7406 1.370.021.330.02 Melt flow index (g/10 min) EDS-T-7516 250, 2.16 kg 40 30 Glass fiber

8、content (%) EDS-T-7301 103 103 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 o

9、f 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 materials Remark Group 1 Typ

10、e 1 Rhodia,. LG Chemical ltd., KOLON Topet 4410GF2, Lupox SV1080, Spesin KP213G10 Group 2 Type 1 Rhodia Topet 4417GX2 EDS-M-552110% GLASS FIBER REINFORCED POLYBUTYLENE TEREPHTHALATE PAGE: 3/3 ISSUED DATE: 1993. 09. 10 REVISED DATE: 2003. 04. 25 VERSION: 4 GM DAEWOO Auto & Technology 6.2. Approval an

11、d 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 SUBSTANCE

12、S 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- 5521 - - Additionally required properties - WR : Weather Resistance - HG : High Gloss Required property type (clause

13、 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 Tes

14、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

15、ty 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