1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2008 02 06 N-STATUS Replaced by WSK-M4D649-A; Inserted 3.0; Deleted 3.14 measure compression set after 24 h recovery at room temperature) 3.9 WATER ABSORPTION, max 40% (ASTM D 1056, except immerse specimens, 50 x 50 mm x thickness as received
2、and hand cut from flat sheets, for 24 h in distilled water at room temperature under atmospheric pressure) 3.10 ADHESION STRENGTH Test Method: ASTM D 1000 Method A, except prepare test panels according to FLTM BI 103-02, Method Bb. Prior to adhesion test specimens shall be conditioned for 24 h at ro
3、om temperature and final adhesion shall be determined at room temperature. 3.10.1 As Received, min 20 N/25 mm 3.10.2 After Heat Ageing, max -20% of the measured (72 h at 80 +/- 2 C) original value 3.10.3 After Humidity Ageing, max -20% of the measured (7 days at 38 +/- 1 C and original value 98 +/-
4、2% relative humidity) 3.10.4 After Environmental Cycling, max -20% of the measured (3 cycles consisting of 4 h at original value -30 +/- 1 C, 4 h at 80 +/1 2 C and 16 h at 38 +/- 1 C and 98 +/- 2% relative humidity) 3.11 HEAT RESISTANCE No adhesion failure Test Method: Apply a 250 x 30 mm length of
5、material with the pressure sensitive side to a 300 x 300 mm steel panel, prepared according to FLTM BI 103-02, Method Bb and roll once in each direction with a roller according to ASTM D 1000. Condition for 24 hours at room temperature and suspend in an inverted position in a mechanically convected
6、air-dry oven for 60 minutes at 90 +/- 2 C. ENGINEERING MATERIAL SPECIFICATIONSK-M3G9504-A Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 3 of 3 3.12 COLD RESISTANCE AT -30 C No adhesion failure Test Method: Prepare 300 x 300 mm steel panels as described in clause
7、3.11, and then conduct a slam test ten times according to FLTM BV 151-01, Load “A“. 3.13 HEALTH HAZARDS AND ODOR The material must not contain any ingredients (matter) which, under normal production conditions, could lead to health hazards such as skin rash or irritation (dermatitis), irritation of
8、mucous membranes, difficulties in breathing etc. The material shall be free from objectionable odors both as received and after storage. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 STORAGE STABILITY Minimum 12 months when stored at temperatures below 30 C. The release paper shall remove easily when measured by hand peel examination and shall not change appreciably after 12 month storage below 30 C. (To be certified by supplier on Initial Laboratory Sample Report.)
