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本文(GMKOREA EDS-M-4252-2007 30% GLASS FIBER REINFORCED POLYPROPYLENE (VERSION 9).pdf)为本站会员(dealItalian200)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-4252-2007 30% GLASS FIBER REINFORCED POLYPROPYLENE (VERSION 9).pdf

1、GM DAEWOO Auto & Technology EDS Engineering, GM DAEWOO Auto & Technology Standards 30% GLASS FIBER REINFORCED POLYPROPYLENE EDS-M-4252 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2007. 12. 17 VERSION: 9 EDS-M-425230% GLASS FIBER REINFORCED POLYPROPYLENE PAGE: 1/4 ISSUED DATE: 1994. 09. 10 REVISED DATE:

2、2007. 12. 17 VERSION: 9 GM DAEWOO Auto & Technology 1. SCOPE This specification defines general requirements for raw materials of 30% glass fiber reinforced polypropylene applied to interior and exterior parts of a vehicle. 2. MATERIAL INDICATION Material indication: % PP-GF30# Detailed contents sha

3、ll conform to the indication method of synthetic resin materials for vehicles (Spec. No: GMW3116). 3. APPLICATION 3.1. Group 1: Glass fiber reinforced raw materials, which have especially excellent heat resistance and dimensional stability and use high crystalline PP as the base. 3.2. Group 2: Glass

4、 fiber reinforced raw materials, which have especially excellent heat resistance and dimensional stability and use PP-Copolymer as the base. 3.3. Group 3: Glass fiber reinforced raw materials, which have especially excellent heat resistance and dimensional stability and use PP-Homopolymer as the bas

5、e. Ex) Instrument panel core, tooth belt cover. 3.4. Group 4: Glass fiber and PTFE (Teflon) reinforced raw materials, which have especially excellent heat resistance, dimensional stability and abrasion resiatance and use PP-Homopolymer as the base. Ex) Friction element 4. REQUIREMENTS 4.1. Mechanica

6、l properties Group 3 Type 1 Group 4 Type 1 Rockwell hardness EDS-T-7517 R Scale 110 - Tensile strength (kg/cm2) EDS-T-7511 Test piece (133mm) Test speed (50mm/min) 850 850 Elongation (%) EDS-T-7511 Test piece (133mm) Test speed (50mm/min) 3 10 EDS-M-425230% GLASS FIBER REINFORCED POLYPROPYLENE PAGE:

7、 2/4 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2007. 12. 17 VERSION: 9 GM DAEWOO Auto & Technology Group 3 Type 1 Group 4 Type 1 Flexural strength (kg/cm2) EDS-T-7518 Test piece (12712.76.4mm) Test speed (28mm/min) 1000 1200 Flexural modulus (kg/cm2) EDS-T-7510 Test piece (12712.76.4mm) Test speed (28

8、mm/min) 55000 45000 Impact strength, IZOD (kg cm/cm) EDS-T-7514 Test piece (63.512.73.2mm)Room temperature -30 7 5 10 - 4.2. Thermal proprieties Heat deflection temperature () EDS-T-7520 Test piece (12712.76.4mm) 4.6kg/cm2110 160 4.3. General properties Density (g/cm3) EDS-T-7406 1.120.02 1.200.02 M

9、elt flow index (g/10min) EDS-T-7516 200, 5kg 5 - Glass fiber contents (%) EDS-T-7301 302 302 (PTFE:152) 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

10、 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%. EDS-M-425230% GLASS FIBER REINFORCED POLYPROPYLENE PA

11、GE: 3/4 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2007. 12. 17 VERSION: 9 GM DAEWOO Auto & Technology 6. APPROVAL OF RAW MATERIALS 6.1. Approved raw materials Division Approved suppliers Approved raw materials Remarks Group 3 Type 1 LG Chemical, Basell, HONAM Petrochemical, DAEHA co., ltd. GP2300, SF4

12、310, G153, DM2302 Group 4 Type 1 GE MFXL 4036HS 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

13、. 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 shall be indicated in drawings as follows. EDS-M-4252- Required property type (clause 4) Material group (c

14、lause 3) Material specification number EDS-M-425230% GLASS FIBER REINFORCED POLYPROPYLENE PAGE: 4/4 ISSUED DATE: 1994. 09. 10 REVISED DATE: 2007. 12. 17 VERSION: 9 GM DAEWOO Auto & Technology 9. RELATED STANDARDS EDS-M-0102 Procedures for approval of chemical raw material and quality control EDS-T-7

15、301 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 determination of the modulus of elasticity by tensile, compression and flexural test EDS-T-7511 Test method for the tensile

16、 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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