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1、I GENERAL MOTORS ENGINEERING STANDARDS I Materials and Processes -Tactics I NYLON 6 - RECYCLED, 34% MINERAL FILLED, UV STABLE, HEAT STAB I LIZ ED GMP.PA6.025R 1 SCOPE. This specification covers the properties of a recycled, 34% mineral filled, W stable, heat stabilized Nylon 6, pellet form, injectio
2、n molding compound. 1.1 APPLICATiONS. Typical applications include the fol- lowing: Mirror cases. 1.2 RECYCLED MATERIALS. Materials under this specifi- cation shall have a minimum of 25% recycled content by weight, as defined in GM502M. Post-consumer and/or post- industrial materials apply. 2 REFERE
3、NCED STANDARDS. C O E .= 4 : o $ 2 2 7 s GM502M IS0 180/1A IS0 3795 GM1002M IS0 188 IS0 527 :-:E GM9S 3 8P IS0 294/1 SAE 5369 ts$U ASTM D789 IS0 960 2 z a - . rij, : a 2%; - b s z * B d ;- so.: es IS0 178 IS0 3451/4 ?iZ$Ct. o s c 2.: oI 2 5 3 3 REQUIREMENTS. gea;C tg;g SAE JI545 ASTM D4019 IS0 1183
4、SAE JI639 IS0 75 IS0 3146 SAE J1885 .- z A s , = ; r i = 3.1 Materials supplied to this specification shall meet the requirements in GM1002M. 3.2 COMPOUND CERTIFICATION. Material suppliers must certify molding compound properties to the specific GM Test Sampling Plan approved for their material. 3.3
5、 COMPOUND PROPERTIES (NATURAL). See Table 1. 3.4 COMPOUND PROPERTIES (BLACK). See Table 2. 4 TEST PROCEDURES. 4.1 Test specimens shall be injection molded per IS0 29411, as described in SAE J1639, unless otherwise specified. 4.2 All test values indicated herein are based on material with moisture co
6、ntent of 0.2% maximum (IS0 960, Method A; ASTM D789). Immediately after molding, specimens shall be sealed in moisture-proof containers and stored 23 t 2C for at least 24 h. All tests shall be performed on unannealed speci- mens immediately after their removal from the containers in a controlled atm
7、osphere of 23 _+ 2C and 50 k 5% RH unless otherwise specified. 4.3 COLORFASTNESS EVALUATION PROCEDURE. The color of each test specimen shall be measured per SAE J1545, CIELAB color space, 10“ observer, illuminant D65, specular included, sphere geometry, before and after exposure. 4.4 A shear modulus
8、 plotted curve, as defined in SAE 51639 shall be provided with each GMP certification package. The temperature range 5C intervals is -50 to +210“C. 5 GENERAL INFORMATION. This standard was origi- nated by the Plastics Committee in January 1991. The latest revisions include: I Rev 1 Date I Descriptio
9、n i I A 14/96 I Conversion to IS0 test methods JUNE 1996 PAGE 1 PA6.025R Copyright General Motors North America Provided by IHS under license with GM Licensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 06/23/2008 21:17:05 MDTNo reproduction or networking permitted without license from
10、 IHS -,-,- t I - G U GMP-PAb.025R 96 m 9006379 0008779 136 m - I I GENERAL MOTORS ENGINEERING STANDARDS Materials and Processes - Plastics Properties Mineral Filler (exclusive of carbon black) (NOTE I) Moisture Content as Received (NOTE I) Density (NOTE 1) Melt Point (NOTE 1) Flexural Modulus (NOTE
11、1) Tensile Strength at Break (NOTE 1) Notched Izod Impact Strength after Heat Aging Deflection Temperature Under Load (NOTE I) Flammability Notched Izod Impact (NOTE 1) +23 I 24c -40 I 2C NYLON 6 - RECYCLED, 34% MINERAL FILLED, UV STABLE, HEAT STA Bi LIZ ED GMP. PA6.025R Test Values Test Methods 32
12、- 37% IS0 345114 .20% max 1.38 - 1.47 gkm3 210 - 225C 4000 MPa min 63 MPa min 75% min retention of original 60C min SE or 100 mmiminute 2.6 kJ/mz min 2.3 kJ/m2 min IS0 960, Method A, B, C, or D; ASTM D789 or ASTM D4019. IS0 1183, Method A IS0 3 146. Method C IS0 178, Reference SAE JI639 IS0 527; 5 m
13、m/minute IS0 188, 1000 h 140C, Reference SAE 51639 IS0 75, test flatwise, Reference SAE J 1639 IS0 3795SAE J369 IS0 180/1A, Reference SAE 51639 Properties Notched Izod Impact +23 ? 2C -40 I 2C Colorfasmess to Light Color Change Surface Defects Flammability Test Values Test Methods 2.6 kJ/m2min 2.3 k
14、J/mzmin IS0 180/1A. Reference SAE 51639 60 1.6 kJImz exposure to interior xenon arc apparatus per SAE J 1885. Measure color as defined in 4.3. IS0 3795/SAE 5369 fi - 3.0 max No objectionable defects allowed. SE or 100 mdminute O Copyright JUNE 1996 General Motors Common All Rights Reseived PA6.025R PAGE 2 JUNE 1996 Copyright General Motors North America Provided by IHS under license with GM Licensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 06/23/2008 21:17:05 MDTNo reproduction or networking permitted without license from IHS -,-,-