1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2012 05 07 N Status No usage or replacement N. Benipal, NA 2006 09 21 Revised Inserted 3.0; Deleted 3.1, 3,.2, 3.3, 3.8, 3.9 & 4 1980 10 70 Released CF4K-RD576983-12 (was XF-M99GX28) Controlled document at www.MATS Copyright 2012, Ford
2、 Global Technologies, LLC Page 1 of 2 INSULATOR, SILICONE RUBBER COATED GLASS FABRIC, ESF-M99G135-A1 ADHESIVE COATED, ONE SIDE ESF-M99G135-A2 ESF-M99G135-A4 ESF-M99G135-A5 ESF-M99G135-A6 ESF-M99G135-A7 NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications are silicone
3、rubber coated glass fabrics with adhesive coating on one side which are electrical insulators and heat conductors. 2. APPLICATION These specifications were released originally for materials used to insulate transistors from their heat sinks in the EEC module. 3. REQUIREMENTS Material specification r
4、equirements are to be used for initial qualification of materials. 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). A1 A2 A4 A5 A6 A7 3.4 DIELECTRIC STRENGTH 15 15 15
5、 15 8.0 11 kV/mm, min (ASTM D 149) 3.5 VOLUME RESISTIVITY, 112 114 113 113 113 112 ohm-cm, min (ASTM D 257) 3.6 SPECIFIC GRAVITY 1.6- 1.1- 1.4- 1.4- 1.5- 1.2- (ASTM D 792) 2.1 1.7 2.0 2.0 2.1 1.5 3.7 TENSILE STRENGTH, N/mm, min (ASTM D 412) Warp 18 18 18 18 18 8 Fill 12 12 12 12 12 6 ENGINEERING MAT
6、ERIAL SPECIFICATION ESF-M99G135-A1/A2/A4/A5/A6/A7 Copyright 2012, Ford Global Technologies, LLC Page 2 of 2 A1 A2 A4 A5 A6 A7 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 THERMAL RESISTANCE Th
7、e performance of an insulator prepared from the glass cloth supported silicone rubber sheet stock specified herein can be determined using various test methods called “thermal resistance“ or “thermal impedence“ tests. These tests take into account variations in the thermal conductivity of the insula
8、tor caused by the adhesive, component surface finish, and clamping forces. For modeling purposes, this data may be more appropriate than thermal conductivity which is a property of the bulk material. 5.2 THICKNESS*, ADHESIVE 0.203 0.203 0.254 0.305 0.305 0.279 COATED, nominal, mm or 0.254 *Thickness originally approved. Other thicknesses may be used as specified on the engineering drawing.
