1、GM DAEWOO Auto & Technology EDS Engineering, GM DAEWOO Auto & Technology Standards 30% LONG GLASS FIBER REINFORCED POLYPROPYLENE EDS-M-4260 ISSUED DATE: 2004. 04. 07 REVISED DATE: 2007. 11. 21 VERSION: 4 EDS-M-426030% LONG GLASS FIBER REINFORCED POLYPROPYLENE PAGE: 1/3 ISSUED DATE: 2004. 04. 07 REVI
2、SED DATE: 2007. 11. 21 VERSION: 4 GM DAEWOO Auto & Technology 1. SCOPE This specification defines general requirements for raw materials of 30% long glass fiber reinforced polypropylene applied to interior and exterior parts of a vehicle. 2. MATERIAL INDICATION Material indication: % PP-GF30# Detail
3、ed contents shall conform to the indication method of synthetic resin materials for vehicles (Spec. No: GMW3116). 3. APPLICATION 3.1. Type 1: Raw material is for the injection molding process. It is the composite containing the long glass fiber (the average length of the glass fiber is about 14mm) b
4、y the extrusion process with PP-HOMO. Ex) Battery Tray 3.2. Type 2: Raw material is for the injection molding process. It is the composite containing the long glass fiber (the average length of the glass fiber is about 810mm) by the pultrusion process with PP. Ex) Engine under Cover 4. REQUIREMENTS
5、4.1. Mechanical properties Type 1 Type 2 Tensile strength (kg/cm2) EDS-T-7511 Test piece (133mm) Test speed (5mm/min) 400 1,000 Elongation (%) EDS-T-7511 Test piece (133mm) Test speed (5mm/min) 3 3 Flexural strength (kg/cm2) EDS-T-7518 Test piece - Type 1: 80253.2mm - Type 2: 12712.76.4mm Test speed
6、 - Type 1: 1.3mm/min - Type 2: 2.8mm/min 850 1,450 EDS-M-426030% LONG GLASS FIBER REINFORCED POLYPROPYLENE PAGE: 2/3 ISSUED DATE: 2004. 04. 07 REVISED DATE: 2007. 11. 21 VERSION: 4 GM DAEWOO Auto & Technology Type 1 Type 2 Flexural modulus (kg/cm2) EDS-T-7510 Test piece - Type 1: 80253.2mm - Type 2:
7、 12712.76.4mm Test speed - Type 1: 1.3mm/min - Type 2: 2.8mm/min 45,000 57,000 Impact strength, IZOD (kg cm/cm) EDS-T-7514 Test piece (63.512.73.2mm) Room temperature -30 30 - 30 - 4.2. Thermal properties Heat deflection temperature () EDS-T-7520 Test piece (12712.76.4mm) 18.6 kg/cm2150 155 4.3. Gen
8、eral properties Density (g/cm3) EDS-T-7406 1.150.02 1.110.02 Glass fiber contents (%) EDS-T-7301 30 30 Note) All the mechanical, thermal and general properties values above indicate minimum values except having the specified ranges. 5. TEST PIECE AND TEST 5.1. Test piece Test pieces shall be prepare
9、d 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 performed at 235K and a relative humidity of 50%. 6. APPROVAL OF RAW MATERIALS 6.1. Approved raw mater
10、ials Division Approved suppliers Approved raw materials Remarks Type 1 HANWHA L&C Corp., FACT STC 30, FACTOR PP LGF30 ES11 Type 2 SAMBARK LFT Co. SUPRAN 1330E EDS-M-426030% LONG GLASS FIBER REINFORCED POLYPROPYLENE PAGE: 3/3 ISSUED DATE: 2004. 04. 07 REVISED DATE: 2007. 11. 21 VERSION: 4 GM DAEWOO A
11、uto & Technology 6.2. Approval 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. AUTOMOTI
12、VE RESTRICTED HAZARDOUS SUBSTANCES Materials and components of parts must comply with GMW3059. 8. OTHERS 8.1. Coding system Material specification of raw materials shall be indicated in drawings as follows. EDS-M-4260- 0 Required property type (clause 4) Material group (None) Material specification
13、number 9. RELATED STANDARDS 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 determin
14、ation 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-7518 The method for the flexural strength of plastics EDS-T-7520 Test for deflection temperature of plastics under load GMW3059 Reportable and restricted substances for parts GMW3116 Recyclability / recoverability guidelines
