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本文(FORD ESB-M4D383-A2-2006 POLYOLEFIN COPOLYMER LOW DENSITY - EXTERIOR GRADE TO BE USED WITH FORD WSS-M99P1111-A 《室外级低密度聚烯径共聚物 与标准FORD WSS-M99P1111-A一起使用 列于标准ESB-M4D383-A1上 使用WSS-.pdf)为本站会员(bonesoil321)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 ESB-M4D383-A2-2006 POLYOLEFIN COPOLYMER LOW DENSITY - EXTERIOR GRADE TO BE USED WITH FORD WSS-M99P1111-A 《室外级低密度聚烯径共聚物 与标准FORD WSS-M99P1111-A一起使用 列于标准ESB-M4D383-A1上 使用WSS-.pdf

1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2006 10 12 N-STATUS Replaced by WSS-M4D952-A2 2005 05 26 Revised Inserted 3.0; Deleted 3.1, 3.4 parts subjected to this test are not expected to remain within design tolerances and therefore shall not be used in assembly production. Complianc

2、e with test requirements indicates optimal molding parameters. Test Method: Unassembled parts shall be subjected to a 30 min exposure in a mechanical convection oven preheated and maintained at 121 C. Parts shall be supported by an oven shelf, and positioned with maximum surface contact to the oven

3、shelf. Nonlinear shrinkage occurs in curved lengths; consequently, shrinkage should always be determined from sections. Part shall be examined after cooling to room temperature (23 +/- 2 C). 3.3.2 Environmental Cycling There shall be no change in appearance, color, or configuration after exposing th

4、e part for 5 cycles, each cycle consisting of: ENGINEERING MATERIAL SPECIFICATION ESB-M4D383-A1/A2 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 3 of 3 . 4 h at 88 C . 4 h at 38 C and 100% relative humidity . 16 h at -40 C . 4 h at 38 C and 100% relative humidity

5、 . 4 h at 88 C . 16 h at -40 C 3.3.3 Accelerated Weathering Change in visual appearance shall not exceed rating 4 of the AATCC Gray Scale after 1600 h exposure in an Atlas XW weatherometer per FLTM BO 101-01. Loss in surface gloss is permissible. 3.3.4 Florida Exposure After exposure in the Miami, F

6、lorida area for 12 months, 5 south, the material may exhibit slight chalking and dulling but no cracking, checking, blistering or other evidence of degradation. The change in color shall not exceed rating 4 of the AATCC Gray Scale. 3.3.5 Low Temperature Impact Resistance There shall be no indication

7、 of failure when samples are impact tested as follows: . As received . After 1600 h weatherometer . After 12 months Florida exposure Test Method: Samples shall be conditioned at -29 C for 5 h minimum and subjected to 160 in-lb (18 J) of impact within 5 seconds after removal from cold chamber. A Gard

8、ner Impact Unit (Model IG-1120) with 2 in (51 mm) hemispherical impact head and a flat base shall be used for the test. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 LINEAR COEFFICIENT OF THERMAL EXPANSION 7.56 x 10-5/ C (ASTM D 696) 5.2 FLEXURAL MODULUS (ASTM D 790, Method “I“, Procedure “B“) At -29 C 200,000 psi (1.4 GPa) At 70 C 20,000 psi (138 MPa) 5.3 MOLD SHRINKAGE A1 0.013 in/in (mm/mm) A2 0.010 in/in (mm/mm) 5.4 GLASS CONTENT 4.0 - 6.0% (% By Weight)

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