1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 07 30 N-STATUS No Replacement Named Y. Bankowski, NA 2005 02 03 Revised Inserted 3.0; Deleted 3.5 & 4 1971 10 15 Released AB8-6 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 of 2 POLYVINYL CHLORIDE,
2、TRANSPARENT MOLDING COMPOUND ESA-M4D333-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a transparent polyvinyl chloride molding compound. 2. APPLICATION This specification was released originally for material used to manufacture injection molded grommets and c
3、onnectors. 3. REQUIREMENTS All tests shall be conducted on molded parts where possible otherwise, tests shall be conducted on molded 6 x 6 x 0.075 +/- 0.005 in (152 x 152 x 1.90 +/- 0.13 mm) slabs, made from production stocks. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and
4、 part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 PHYSICAL PROPERTIES 3.1.1 Color Tint As specified on engineering drawing 3.1.2 Specific Gravity, max 1.30 (ASTM D 792) 3.1.3 Hardness - Durometer “A“ 55 - 65 (ASTM D 2240, instantaneous
5、reading) 3.1.4 Tensile Strength, min 1,000 psi (6.9 MPa) (ASTM D 412, Die “C“) 3.1.5 Elongation, min 350% (ASTM D 412, Die “C“) 3.1.6 Tear Strength, min 125 lb/in (22 kN/m) (ASTM D 624, Die “C“) 3.1.7 Cold Flexibility at -40 +/- 1 C No cracking (FLTM BN 102-01, 1 x 6 in (25 x 152 mm) sample) ENGINEE
6、RING MATERIAL SPECIFICATIONESA-M4D333-A Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 2 3.1.8 Flammability, max 4 in (101 mm)/min (FLTM BN 024-02, without the lot sampling plan) In addition, the test specimen shall not exhibit any flashing or sudden flaming
7、on either surface in excess of the above maximum value. 3.2 HEAT RESISTANCE Test Method: Expose a minimum of three 0.075 x 1 x 2 in (1.90 x 25 x 51 mm) samples for 7 days at 102 +/- 1 C for each test listed in para. 3.2.1 to 3.2.3. Cool to 22 +/- 2 C before conducting the indicated tests. Weight cha
8、nge shall be reported as the % change in weight measured before and after heat exposure. 3.2.1 Weight Change, max 4.0% 3.2.2 180 Bend Test No cracks when material is bent back against itself. 3.2.3 Hardness - Durometer “A“, +/- 10 change, max (ASTM D 2240, instantaneous reading) 3.3 FOGGING (SAE J 1756) Light Transmission, min 95 3.4 HAZE, max 15% (ASTM D 1003, specimen thickness 0.075 in (1.90 mm)
