L P 1040B 联邦规范 塑料薄板和塑料条(聚氟乙烯)(1977年7月22日)

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L-P-1040B
July 22, 1977
SUPERSEDING
Fed. Spec. L-P-1040A
March 23, 1971
FEDERAL SPECIFICATION
PLASTIC SHEETS AND STRIPS (POLYVINYL FLUORIDE)
This specification was approved by the Commissioner, Federal Supply Service,
General Services Administration, for the use of all Federal agencies.
1. SCOPE AND CLASSIFICATION
1.1 Scope. This specification covers extruded transparent and extruded
pigmented polyvinyl fluoride sheet and strip.
1.2 Classification.
1.2.1 Types, grades, and classes. The polyvinyl fluoride sheet and strip
shall be of the following types, grades, and classes, as specified (see 6.2).
Type I - Transparent (clear).
Grade B - Medium gloss.
Class 2- High shrinkage.
Grade C - High gloss.
Class 1 - Regular shrinkage.
Class 2 - High shrinkage.
Class 3 - Low shrinkage.
Type II - Pigmented (colored or white).
Grade A - Low gloss.
Class 1 - Regular shrinkage.
FSC 9330
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