1、GM DAEWOO Auto & Technology EDS Engineering, GM DAEWOO Auto & Technology Standards 30% TALC FILLED POLYAMIDE 6 EDS-M-5112 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2005. 12. 23 VERSION: 4 EDS-M-511230% TALC FILLED POLYAMIDE 6 PAGE: 1/3 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2005. 12. 23 VERSION: 4 GM
2、 DAEWOO Auto & Technology 1. SCOPE This specification defines general requirements for raw materials of 30% talc filled polyamide 6 applied to interior or exterior parts of a vehicle. 2. MATERIAL INDICATION Material indication: PA6-TD30 Detailed contents shall conform to the indication method of syn
3、thetic resin materials for vehicles.(Spec. No: EDS-M-0101) 3. APPLICATION 3.1. Group 1 : Talc filled raw materials which have excellent heat resistance and dimensional stability and use low viscosity PA6 as the base. 3.2. Group 2 :Talc filled raw materials which have excellent heat resistance and di
4、mensional stability and use mid viscosity PA6 as the base. 3.3. Group 3 : Talc filled raw materials which have excellent heat resistance and dimensional stability and use impact resistance PA6 as the base. Ex) Wheel cover, hub cap 4. REQUIREMENTS 4.1. Mechanical properties Group 1 Type 1 Rockwell ha
5、rdness EDS-T-7517 R Scale 120 Tensile strength(kg/cm2) EDS-T-7511 Test piece (133mm) Test speed (50mm/min) 700 Elongation(%) EDS-T-7511 Test piece (133mm) Test speed (50mm/min) 5 Flexural strength(kg/ cm2)EDS-T-7518 Test piece (12712.76.4mm) Test speed (28mm/min) 1,000 Flexural modulus(kg/ cm2)EDS-T
6、-7510 Test piece (12712.76.4mm) Test speed (28mm/min) 52,000 EDS-M-511230% TALC FILLED POLYAMIDE 6 PAGE: 2/3 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2005. 12. 23 VERSION: 4 GM DAEWOO Auto & Technology Group 1 Type 1 Impact strength, IZOD (kg cm/cm) EDS-T-7514 Test piece (63.512.73.2mm) Room temperat
7、ure -30 5 4 4.2. Thermal properties Heat deflection temperature() EDS-T-7520 Test piece (12712.76.4mm) 4.6kg/cm218.6kg/cm2205 150 4.3. General properties Density(g/cm3) EDS-T-7406 1.37 Talc content(%) EDS-T-7301 30 Note) All the mechanical, thermal and general property values above indicate minimum
8、values except having specified ranges. 4.4. For all properties, measure the test piece without pretreatment, which has been dried right after injection molding or until it comes to the maintained weight at 80, and absorbed moisture of 0.2% max. 5. TEST PIECE AND TEST 5.1. Test piece Test pieces shal
9、l 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. 5.2. Test Tests shall be performed at 235K and a relative humidity of 50%. 6. APPROVAL OF RAW MATERIALS 6.1. Approv
10、ed raw materials Division Approved suppliers Approved raw materials Remark Group 1 Type 1 Rhodia 1011MHGB EDS-M-511230% TALC FILLED POLYAMIDE 6 PAGE: 3/3 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2005. 12. 23 VERSION: 4 GM DAEWOO Auto & Technology 6.2. Approval and quality assurance procedure All raw
11、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 SUBSTANCES Materials and components of parts mus
12、t 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- 5112 - - Additionally required properties - HR: heat resistance - WR : weather resistance - MR : moisture resistance Required prosperity type(clause 4) Mat
13、erial 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 Test method
14、 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 property of plastics EDS-T-7514 Test method for determining the flexural strength of plastics 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
