1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Para. No. Revisions1978 05 05 Metricated, Renumbered and Retyped CAH1-RD5720661963 06 05 Released AS1 #915Page 1 of 2TAPE, GLASS CLOTH - FLAME RESISTANT ESB-M3G38-A1. SCOPE:The material defined by this specification is a glass
2、 cloth, rubber base,pressure sensitive, flame resistant tape.2. APPLICATION:This specification was released originally for material used to fastenwiring at the alternator on heavy trucks.3. REQUIREMENTS:3.1 CONDITIONINGAll test values indicated herein are based on materials conditionedin a controlle
3、d atmosphere of 23 +/- 2 C and 50 +/- 5% relativehumidity for 24 h prior to testing and tested under the samecontrolled conditions.3.2 COLOR Natural (white)3.3 THICKNESS 0.008 +/- 0.001 in(MIL-I-7798A) (0.20 +/- 0.03 mm)3.4 WIDTH 1 +/- 0.030 in(25.4 +/- 0.76 mm)Unless otherwise specified on engineer
4、ing drawing.3.5 BREAKING STRENGTH, min 120 lb/in (21 N/mm) width(ASTM D 1000, 20 in (508 mm)/minrate of pull)3.6 ADHESION TO BACKING, min 15 oz/in (164 N/m) width(ASTM D 1000, 12 in (305 mm)/minrate of pull)3.7 ADHESION TO STEEL, min 15 oz/in (164 N/m) width(ASTM D 1000, 12 in (305 mm)/minrate of pu
5、ll)3.8 FLAMMABILITY, max(Military Spec. MIL-T-4053A)3.8.1 Flaming Time 15 s3.8.2 Length of Char 1 in (25.4 mm)3.9 COPPER AND ALUMINUM CORROSION None(Military Spec. MIL-T-4053A)ENGINEERING MATERIAL SPECIFICATIONESB-M3G38-APage 2 of 23.10 SUPPLIERS RESPONSIBILITYMaterial supplied to this specification
6、 must be equivalent to thatoriginally approved. Changes in formulation or processing shallnot be made without prior approval as described in SupplierProcedure I-A.4. APPROVAL OF SUPPLIERS:Suppliers to this specification must be approved by the affected productengineering office. Procedure for gaining approval of a specificmaterial to a new/existing ES-M specification is contained in SupplierProcedure I-A. Approved new suppliers will be added to the EngineeringMaterials Approved Source List.