GMW GMW16647-2012 Polypropylene - Glass Fiber Reinforced Chemically Coupled High Heat Resistant Copper Deactivated Injection Molding Homopolymer Issue 1 English《聚丙烯 玻璃纤维加强 化学耦合 耐高温.pdf
《GMW GMW16647-2012 Polypropylene - Glass Fiber Reinforced Chemically Coupled High Heat Resistant Copper Deactivated Injection Molding Homopolymer Issue 1 English《聚丙烯 玻璃纤维加强 化学耦合 耐高温.pdf》由会员分享,可在线阅读,更多相关《GMW GMW16647-2012 Polypropylene - Glass Fiber Reinforced Chemically Coupled High Heat Resistant Copper Deactivated Injection Molding Homopolymer Issue 1 English《聚丙烯 玻璃纤维加强 化学耦合 耐高温.pdf(3页珍藏版)》请在麦多课文档分享上搜索。
1、 WORLDWIDE ENGINEERING STANDARDS Material Specification GMW16647 Polypropylene - Glass Fiber Reinforced, Chemically Coupled, High Heat Resistant, Copper Deactivated, Injection Molding Homopolymer Copyright 2012 General Motors Company All Rights Reserved January 2012 Originating Department: North Ame
2、rican Engineering Standards Page 1 of 3 1 Scope 1.1 Material Description. This standard covers the properties of a glass filled, chemically coupled, high heat resistant, copper deactivated, injection molding grade polypropylene homopolymer. 1.2 Symbols. The material abbreviation according to ISO 114
3、69 is shown in Table 1. 1.3 Typical Applications. Typical applications include the following: Radiator Fan Blades and Shrouds. 1.4 Remarks. The classification into groups is according to the different ranges of glass fiber content. 2 References Note: Only the latest approved standards are applicable
4、 unless otherwise specified. 2.1 External Standards/Specifications. ISO 75 ISO 1183 ISO 179/1eA ISO 1873-2 ISO 188 ISO 3451-1 ISO 294 ISO 3167 ISO 527-1/2 ISO 11469 ISO 527-1 SAE J1686 ISO 527-2 2.2 GM Standards/Specifications. GMW3013 GMW3221 GMW3059 2.3 Additional References. TMC003 Material Safet
5、y Data Sheet guidance documents (available at ). 3 Requirements 3.1 Requirements on Test Specimens. Important physical, mechanical and thermal properties that characterize the material are summarized in charts. The color shall be specified on drawings, in material specifications and otherwise. Unles
6、s otherwise specified, injection molding of test specimens shall be accomplished per ISO 294 with the conditions for injection molding from ISO 1873-2. All test specimens shall be brought to equilibrium in standard conditions for temperature and moisture and tested in that state as defined in GMW322
7、1, Code A, unless the test method indicates that standard conditioning is not required. Condition specimens for a minimum of 24 h prior to testing or until moisture equilibrium is reached. If specimens are tested outside the conditioned environment, they shall be tested within 10 minutes of removal.
8、 The minimum values specified in the property tables must be met by test specimens in natural, black, or in a standard sampled color if natural or black are not available. For colored grades where other pigment and additive systems (e.g., stabilizer) are used, the impact values shall not decrease mo
9、re than 10% from the specified minimum value. 3.1.1 Compound Properties (Natural and Black). See Table 1. The following are also required for full standard approval. The minimum number of lots per test required is one in natural: Poissons Ratio, Coefficient Copyright General Motors Company Provided
10、by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16647 Copyright 2012 General Motors Company All Rights Reserved January 2012 Page 2 of 3 of Linear Thermal Expansion (CLTE), Mold S
11、hrinkage, Stress/Strain Curve at multiple temperatures (for example -30 C, 23 C, 85 C), Viscosity Number, Differential Scanning Calorimetry (DSC) Curve, and Infrared Spectroscopy Curve. See GMW3013 for the test procedures and parameters. Table 1: Compound Properties (Natural and Black) Nominal Glass
12、 Fiber Reinforcement Percentage 25% 30% Property Standard Unit Value Value ISO Symbol ISO 11469 - PP-GF25PP-GF30 Glass Filler ISO 3451-1, Method A % by mass 23 to 27 28 to 32 Density ISO 1183, Method A g/cm3 Target Range 1.08 to 1.10 Target Range 1.05 to 1.15 Tensile Strength at Break ISO 527-1, ISO
13、 527-2, specimen A, test speed 5 mm/minute MPa 75 to 85 70 to 90 Tensile Modulus ISO 527-1/2, ISO 3167, 4 mm thick Type A bar, 1 mm/minute MPa 5400 3900 Notched Charpy Impact at +23 C ISO 179/1eA, 80 x 10 x 4 mm kJ/m2 6.5 6.5 Deflection Temperature Under Load, 1820 kPa ISO 75 (reference SAE J1686),
14、flatwise C 140 128 Tensile Strength at Break After Heat Aging ISO 527-1/2, Test speed 5 mm/minute; Heat Age per ISO 188, 1500 h at 140 C % Retention 75 75 Tensile Strength at Break After Exposure to Copper Test per Paragraph 3.3, ISO 527-1/2, Test speed 5 mm/minute % Retention 75 75 3.2 Performance
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