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本文(GMKOREA EDS-M-4235-2007 45% TALC FILLED POLYPROPYLENE (VERSION 6).pdf)为本站会员(proposalcash356)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

GMKOREA EDS-M-4235-2007 45% TALC FILLED POLYPROPYLENE (VERSION 6).pdf

1、GM DAEWOO Auto & Technology EDS Engineering, GM DAEWOO Auto & Technology Standards 45% TALC FILLED POLYPROPYLENE EDS-M-4235 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2007. 12. 17 VERSION: 6 EDS-M-423545% TALC FILLED POLYPROPYLENE PAGE: 1/3 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2007. 12. 17 VERSION:

2、6 GM DAEWOO Auto & Technology 1. PURPOSE This specification defines general requirements for raw materials of 45% talc filled polypropylene applied to interior and exterior parts of a vehicle. 2. SCOPE This specification shall be applied to raw materials of 45% talc filled polypropylene used in all

3、passenger cars by GM DAEWOO Auto & Technology Company(hereinafter referred to as the “GMDAT“). 3. MATERIAL INDICATION Material indication: PP - TD45 Detailed contents shall conform to the indication method of synthetic resin materials for vehicles.(Spec. No: GMW3116) 4. APPLICATION Talc filled raw m

4、aterials which have excellent heat resistance and dimensional stability and especially a little content of TiO2was added to prevent light reflection. Ex) Meter housing 5. REQUIREMENTS 5.1. Mechanical properties Type 1 Rockwell hardness EDS-T-7517 R Scale 90 Tensile strength (kg/cm2) EDS-T-7511 Test

5、piece (133mm) Test speed (5mm/min) 270 Elongation (%) EDS-T-7511 Test piece (133mm) Test speed (5mm/min) 5 Flexural strength (kg/cm2) EDS-T-7518 Test piece (12712.76.4mm) Test speed (2.8mm/min) 420 Flexural modulus (kg/cm2) EDS-T-7510 Test piece (12712.76.4mm) Test speed (2.8mm/min) 28,000 EDS-M-423

6、545% TALC FILLED POLYPROPYLENE PAGE: 2/3 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2007. 12. 17 VERSION: 6 GM DAEWOO Auto & Technology Type 1 Impact strength, IZOD (kg cm/cm) EDS-T-7514 Test piece (63.512.73.2mm) Room temperature -30 3 - 5.2. Thermal properties Heat deflection temperature () EDS-T-752

7、0 Test piece (12712.76.4mm) 4.6 kg/cm2135 5.3. General properties Density (g/cm3) EDS-T-7406 1.250.02 Melt flow index (g/10min) EDS-T-7516 230, 2.16kg 9 Talc contents (%) EDS-T-7301 453 Note) All the mechanical, thermal and general property values above indicate minimum values except having the spec

8、ified ranges. 6. TEST PIECE AND TEST 6.1. Test piece Test pieces shall be prepared with injection molding. Unless otherwise specified in the requirements of clause 5, they shall be conditioned at 235K and a relative humidity of 50% for 24 hours or more. 6.2. Test Tests shall be performed at 235K and

9、 a relative humidity of 50%. 7. APPROVAL OF RAW MATERIALS 7.1. Approved raw materials Division Approved suppliers Approved raw materials Remarks Type 1 RHODIA, Basell 5214LS8, MT5420 EDS-M-423545% TALC FILLED POLYPROPYLENE PAGE: 3/3 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2007. 12. 17 VERSION: 6 GM

10、DAEWOO Auto & Technology 7.2. 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). 8. A

11、UTOMOTIVE RESTRICTED HAZARDOUS SUBSTANCES Materials and components of parts must comply with GMW3059. 9. OTHERS 9.1. Coding system Material specification of raw materials shall be indicated in drawings as follows. EDS-M-4235-0 Required property type (clause 5) Material group (none) Material specific

12、ation number 10. 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 d

13、etermination 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-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 GMW 3059 Restricted and reportable substance for parts GMW 3116 Recyclability / recoverability guidelines

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