GMW GMW16081-2012 PVC Interior Integral Colored Castable Liquid-Powder Flexible Skin Compounds Issue 2 English《聚氯乙烯 内部用整体着色可铸液体粉末弹性外皮复合物 第3次出版(英文版本)》.pdf
《GMW GMW16081-2012 PVC Interior Integral Colored Castable Liquid-Powder Flexible Skin Compounds Issue 2 English《聚氯乙烯 内部用整体着色可铸液体粉末弹性外皮复合物 第3次出版(英文版本)》.pdf》由会员分享,可在线阅读,更多相关《GMW GMW16081-2012 PVC Interior Integral Colored Castable Liquid-Powder Flexible Skin Compounds Issue 2 English《聚氯乙烯 内部用整体着色可铸液体粉末弹性外皮复合物 第3次出版(英文版本)》.pdf(6页珍藏版)》请在麦多课文档分享上搜索。
1、 WORLDWIDE ENGINEERING STANDARDS Material Specification GMW16081 PVC, Interior, Integral Colored, Castable Liquid-Powder Flexible Skin Compounds Copyright 2012 General Motors Company All Rights Reserved February 2012 Originating Department: North American Engineering Standards Page 1 of 6 1 Scope 1.
2、1 Material Description. This specification covers the properties of an integrally colored, interior Polyvinyl Chloride (PVC) molding compound. These materials can be processed by extrusion and/or injection molding. Materials are delineated by “Type” in Table A1 indicating Shore hardness, “Grade” in
3、Table A2 indicating castable material form, liquid or powder and “Class” in Table A3 indicating plasticizer content, Thalate, Trimellitate or other. 1.2 Symbols. The material abbreviation according to ISO 11469 is PVC . 1.3 Typical Applications. Typical interior trim including console sides and door
4、 panels. 1.4 Remarks. PVC materials approved to this specification will be called out on the engineering drawing indicating all three attributes, e.g., GMW16081P-PVC, Type 2, Grade P, Class TR is an 80 5 Shore A hardness, castable powder PVC that contains Trimellitate plasticizer. In addition, if th
5、e nominal Shore hardness for the GM component is different than nominal “Type” stated, it shall be called out specifically on the engineering drawing, e.g., if Type 2 = 80 5 Shore A, but 82 nominal Shore A is being used, 82 X Shore A hardness shall be called out with Type 2. 2 References Note: Only
6、the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. AATCC23 ISO 188 ISO 3451-1 SAE J2412 ISO 34-1 ISO 527 ISO 3795 ISO 105-G02 ISO 868 ISO 11469 ISO 176 ISO 1183 SAE J323 2.2 GM Standards/Specifications. GMW3013 GMW3221 GMW3402 GMW14334 GMW
7、3059 GMW3232 GMW3417 GMW14651 GMW3205 GMW3235 GMW14162 2.3 Additional References. TMC003 Material Safety Data Sheet guidance documents (available at ). 3 Requirements Materials approved to this specification shall meet the requirements of GMW3013, General Requirements for Handling of Technical Terms
8、 of Delivery for Plastics. 3.1 Requirements on Delivery. Important physical, mechanical, and thermal properties that characterize the material are summarized in Table A3. Note: For each product, the requirements to Table A3 shall be documented by Certification Statement according to GMW3013. The col
9、or and gloss shall be specified on drawings, in material specifications, and otherwise. 3.2 Requirements on Test Specimens. Tests shall be conducted using the latest issue of the test methods indicated. Suitable precautions should be taken to ensure that applicable safe limits are not exceeded when
10、conducting test procedures, processes, and/or handling the materials required by this specification. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING S
11、TANDARDS GMW16081 Copyright 2012 General Motors Company All Rights Reserved February 2012 Page 2 of 6 3.2.1 Test specimens shall be die cut from molded plaques having a nominal thickness of 3.2 0.2 mm. If injection molded, die cut specimens are to be tested with the long axis of the test specimen pe
12、rpendicular to the direction of flow. Plaque dimensions must be sufficient to permit this. 3.2.2 Test samples shall be aged a minimum of 40 h after molding and 24 h immediately following a conditioning period per GMW3221, Code A, unless otherwise specified. All tests shall be performed on unannealed
13、 specimens. In addition, tests specified at temperatures below or above 22 C 3 C shall be conducted at the specified temperature using specimens conditioned at the specified temperature for 4 h minimum. 3.2.3 The minimum values specified in the property tables must be met by test specimens in natura
14、l, 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 more than 10% from the specified minimum value. 3.3 Compound Properties. See Tables 1 and 2. A
15、 minimum of six lots shall be tested to Table 1, unless otherwise noted. The following are also required for full specification approval (the minimum number of lots per test required is one): Youngs Modulus Poissons Ratio Coefficient of Linear Thermal Expansion (CLTE) Stress-Strain at 23 C, 85 C, an
16、d -30 C Suppliers must demonstrate ability to meet integrally colored compound requirements (Table 2) with an appropriate palette of GM visually approved colors (i.e., red, tan, blue, gray) prior to approval of either base compound or colored compounds. 3.3.1 Accelerated Weathering Resistance. Expos
17、e to 1240 kJ/m2 per SAE J2412 or 19 MJ/m2 per GMW14162 Cycle C and 115 C. Testing is completed using a control retain. Test samples or parts may be used for exposure at the discretion and approval of GM Engineering. 3.3.1.1 Evaluation. Unless otherwise specified, inspect a minimum of mid and full ex
18、posed test samples for gloss and color change. Measure test samples before and after exposure per GMW3417. Table 1: Compound Properties (Integrally Colored) Note 1 Property Test Method Unit Type 1 Type 2 Shore Hardness ISO 868, 15-second delay A 70 5 80 5 Density ISO 1183 g/cm3 1.10 to 1.30 1.10 to
19、1.30 Tensile Stress at Break ISO 527, Type 1A dumbbell, 500 mm/minute MPa 9.0 9.0 Elongation at Break ISO 527, Type 1A dumbbell, 500 mm/minute % 250 250 Tear Strength ISO 34-1, Method B, angle die, 500 mm/minute kN/m 25 25 Filler Content ISO 3451-1, Method A % 0 to 20 0 to 20 Volatile Loss ISO 176 %
20、 3.0 3.0 Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16081 Copyright 2012 General Motors Company All Rights Reserved February 2012 Pa
21、ge 3 of 6 Property Test Method Unit Type 1 Type 2 Cold Flexibility Mandrel Test SAE J323, Method A. Use Table 2 for mandrel size selection based upon hardness. 3.2 mm 0.2 mm sample thickness. No Cracks Properties After Heat Age Exposure ISO 188 Method B. 168 h at 105 C followed by indicated property
22、 testing. % 25% maximum of materials properties, Hardness, Tensile Stress at Break and Elongation at Break. Note: Perform indicated property testing at 22 C 3 C. Flammability GMW3232 OR ISO 3795 (Report values according to GMW3232 mm/minute 100 Fogging GMW3235-B-T2 condensable constituents mg 2 Chem
23、ical Resistance GMW14334-A No units Rating 1 Odor GMW3205 Dry Condition Rating 6 Note 1: Properties shown are guidelines for each type material. Nominal values are defined in the material certification submission package at the time of approval. Table 2: Compound Properties (Integrally Colored) Note
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