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本文(FORD WSS-M2D474-A2-2016 THERMOPLASTIC ELASTOMER (TES) STYRENE BLOCK COPOLYMER 60 DUROMETER A HARDNESS EXTERIOR TO BE USED WITH FORD WSS-M99P1111-A .pdf)为本站会员(twoload295)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!

FORD WSS-M2D474-A2-2016 THERMOPLASTIC ELASTOMER (TES) STYRENE BLOCK COPOLYMER 60 DUROMETER A HARDNESS EXTERIOR TO BE USED WITH FORD WSS-M99P1111-A .pdf

1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2016 08 31 N Status No replacement or usage L. Sinclair, NA 2004 10 15 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 2000 03 30 Activated B. Hennessey Copyright 2016, Ford Global Technologies, LLC Page 1 of 3 THERMOPLASTIC ELASTOM

2、ER (TES) STYRENE BLOCK WSS-M2D474-A2 COPOLYMER, 60 DUROMETER A HARDNESS, EXTERIOR NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a thermoplastic elastomer styrene block copolymer. The material contains added UV stabilization for exterior use. 2. APPLICATION This

3、 specification was released originally for material used as a cowl top grille sealing lip. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 MOLDED

4、 TEST SPECIMENS 3.4.1 Preparation of Test Specimens Unless otherwise specified, all tests shall be conducted on specimens die cut from injection molded plaques 150 x 150 x 2.0 +/- 0.2 mm. The plaques shall be molded according to ISO 294 and film gated along the upper 100 mm edge. No annealing allowe

5、d, unless specified otherwise. 3.4.2 Density, g/cm3 1.10 +/- 0.05 (ISO 1183, Method A/ASTM D 792, Method A1) 3.4.3 Hardness, International 60 +/- 5 (ISO 1400/ASTM D 1415) 3.4.4 Hardness, Durometer A 60 +/- 5 (ISO 868/ASTM D 2240, instantaneous, plied-up specimen. Hand held durometers shall not be us

6、ed) 3.4.5 Tensile Strength, min Parallel to flow 3.0 MPa (ISO R 527, type 2/ASTM D 412 Across flow 4.0 MPa Die C, 500 mm/minute test speed) 3.4.6 Elongation at Break, min Parallel to flow 125% (Test acc. To para 3.4.5) Across flow 420% ENGINEERING MATERIAL SPECIFICATION WSS-M2D474-A2 Copyright 2016,

7、 Ford Global Technologies, LLC Page 2 of 3 3.4.7 Modulus at 100% Elongation, min Parallel to flow 2.8 MPa (Test acc. To para 3.4.5) Across flow 1.1 MPa 3.4.8 Tear Strength, min Parallel to flow 15 kN/m (ISO 34, Method B, Procedure A Across flow 18 kN/m ASTM D 624, Die C) 3.4.9 Compression Set, max 3

8、3% (ISO 815, Large Type-plied specimen/ ASTM D 395, Method B, Type 1 plied specimen, 22 h at 70 +/- 2 C) 3.4.10 Brittleness Point, max -40 C (ISO 812, Type B specimen/ ASTM D 2137, Method A) 3.4.11 Ozone Resistance, max Rating 0 (FLTM BP 101-01, Procedure A, tensile specimen, at 20% elongation) 3.5

9、HEAT AGEING (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 125 +/- 2 C) 3.5.1 Hardness Change, max +/- 5 3.5.2 Tensile Strength Change, % max +90 3.5.3 Elongation Change, % max +50 3.6 WEATHERING RESISTANCE After exposure in accordance with 3.6.1, and 3.6.2 the material shall show no fadin

10、g or color change in excess of the specified AATCC rating (AATCC Gray Scale for Evaluation Change in color, 10 Step). In addition, there shall be no cracking, crazing or other deterioration. A slight loss of gloss or chalking will be allowed provided an acceptable appearance can be achieved by washi

11、ng with mild detergents and water (ratio 5:95 by volume). All initial approvals will be based on the preliminary Weatherometer exposure, pending Florida exposure results for final approval. 3.6.1 Xenon Arc Weatherometer Rating 4-5 (SAE J 1960, 1980 kJ.m2 exposure minimum, specimen size: 150 x 100 mm

12、 minimum, 2.0 +/- 0.2 mm thick, molded in smooth polished mold) ENGINEERING MATERIAL SPECIFICATION WSS-M2D474-A2 Copyright 2016, Ford Global Technologies, LLC Page 3 of 3 3.6.2 24 months Florida Rating 3 (FLTM BI 160-01, 5 south, direct weathering inland, specimen size: 150 x 100 mm minimum, 2.0 +/-

13、 0.2 mm thick, molded in smooth polished mold) 3.7 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 2.0 +/- 0.1 mm with a smooth surface. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 Purchase departments will ensure that both materials defined in this specification and shipped to any one assembly plant will be produced by one supplier only. 5.2 RECYCLING INFORMATION TES

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