1、GM DAEWOO Auto & Technology EDS Engineering, GM DAEWOO Auto & Technology Standards 10% TALC FILLED HIGH CRYSTALLINE POLYPROPYLENE EDS-M-4242 ISSUED DATE: 1999. 01. 09 REVISED DATE: 2009. 09. 02 VERSION: 7 10% TALC FILLED HIGH CRYSTALLINE POLYPROPYLENE EDS-M-4242PAGE: 1/3 ISSUED DATE: 1999. 01. 09 RE
2、VISED DATE: 2009. 09. 02 VERSION: 7 GM DAEWOO Auto & Technology 1. SCOPE This specification defines the general requirements of the 10% talc filled high crystalline polypropylene used for vehicle interior and exterior parts. 2. MATERIAL Material indication : PP - HC - T10 Detailed contents shall con
3、form to the indication method of synthetic resin materials for vehicles.(Spec. No: GMW3116) 3. APPLICATION 3.1. Type 1 : Talc filled material having good heat resistance and dimensional stability and high rigidity which especially uses as basis high crystalline polypropylene of II(Isotatic Index) 98
4、% or higher for improved scratch resistance EX) Pillar Trim, Console, Instrument Panel Lower Cover, Glove Box Lid 4. REQUIREMENTS 4.1. Mechanical properties Type 1 Rockwell hardness EDS-T-7517 R Scale 100 Tensile strength (kg/cm2) EDS-T-7511 Test piece (133mm) Test speed (50mm/min) 330 Elongation (%
5、) EDS-T-7511 Test piece (133mm) Test speed (50mm/min) 30 Flexural strength (kg/cm2) EDS-T-7518 Test piece (12712.76.4mm) Test speed (28mm/min) 530 Flexural modulus (kg/cm2) EDS-T-7510 Test piece (12712.76.4mm) Test speed (28mm/min) 25,000 Impact strength, IZOD (kg cm/cm) EDS-T-7514 Test piece (63.51
6、2.73.2mm) Room Temperature -30 6 2 10% TALC FILLED HIGH CRYSTALLINE POLYPROPYLENE EDS-M-4242PAGE: 2/3 ISSUED DATE: 1999. 01. 09 REVISED DATE: 2009. 09. 02 VERSION: 7 GM DAEWOO Auto & Technology 4.2. Thermal properties Type 1 Heat deflection Temperature () EDS-T-7520 Test piece (12712.76.4mm) 4.6kg/c
7、m2130 4.3. General physical properties Density (g/cm3) EDS-T-7406 0.970.02 Melt flow index (g/10min) EDS-T-7516 230, 2.16kg 10 Talc content (%) EDS-T-7301 103 Pencil hardness EDS-T-7523 Non-EMBO B Note) All the mechanical, thermal and general property values above indicate minimum values except havi
8、ng 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, 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 2
9、35K and a relative humidity of 50%. 6. APPROVAL OF RAW MATERIALS 6.1. Approved raw materials Division Approved suppliers Approved raw materials Remarks Type 1 Basell, Honam Petrochemical Corporation, Samsung General Chemicals Co., Ltd, Pomatics, Cepla MT4130S, HCP171T, HTB51, HCK1021, CT-271C 10% TA
10、LC FILLED HIGH CRYSTALLINE POLYPROPYLENE EDS-M-4242PAGE: 3/3 ISSUED DATE: 1999. 01. 09 REVISED DATE: 2009. 09. 02 VERSION: 7 GM DAEWOO Auto & 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
11、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 GMW3059. 8. OTHERS 8.1. Coding system Material specification of raw materials
12、shall be indicated in drawings as follows. EDS-M-4242 - 0 Required property type(clause 4) Material group(none) Material specification 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 ign
13、ition (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 d
14、etermining 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-7519 The test method determining the melting temperature of plastics EDS-T-7520 Test for deflection temperature of plastics under load EDS-T-7523 Test method for the pencil hardness of plastics GMW 3059 Restricted and reportable substance for parts GMW 3116 Recyclability / recoverability guidelines
