1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Para. No. Revisions1979 10 16 Released AKI-6000-20WP 3948-a Page 1 of 1PROTECTIVE, FABRIC - RAYON - NONWOVEN ESB-M9H77-A21. SCOPEThe material defined by this specification is a nonwoven, rayon fabricwith an acrylic resin.2. AP
2、PLICATIONThis specification was released originally for material used to coverglass fiber parts for handling and assembly purposes.3. REQUIREMENTS3.1 CONDITIONINGAll test values indicated herein are based on material conditionedin a controlled atmosphere of 23 2 C and 50 5% relativehumidity for 24 h
3、 prior to testing and tested under the samecontrolled conditions.3.2 THICKNESS 0.004 0.001 in(SAE J 315) (102 25 mm)3.3 WEIGHT, min 0.50 oz/yd 2(SAE J 315) (16.95 g/m 2 )3.4 BREAKING STRENGTH, min(ASTM D 1682 Grab Method)Machine Direction 6 lb (26.7 N)Across Machine Direction 1 lb (4.4 N)3.5 COLOR A
4、s specified on engineering drawing.3.6 SUPPLIERS RESPONSIBILITYMaterial supplied to this specification 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 SUPPLIERSSuppliers to this specification must be approved by the affected productengineering office Procedure for gaining approval of a specific materialto a new/existing ES-M specification is contained in Supplier ProcedureI-A. Approved new suppliers will be added to the Engineering MaterialsApproved Source List.
