L P 378D 联邦规范 塑料薄板和带材薄规范聚烯烃(1972年12月8日)[S S BY A 3174]

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时间:2023-03-16

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上传者:战必胜
L-P-378D
December8, 1972
SUPERSEDING
Fed. Spec. L-P-378C
October 30, 1969
FEDERAL SPECIFICATION
PLASTIC SHEET AND STRIP,THIN GAUGE,POLYOLEFIN
This specificationwas approvedby the Commissioner,FederalSupply
Sezvice,G&pal Senices Administration,for the use of all Federal
agencies. “,,
1.
SCOPE AND CLASSIFICATION
1.1 Scope. This specificationcovers the requirementsfor thin gauge
polyolefinfilm.
1.2 Classification.
1.2.1 Types.
The polyolefinfilm shall be furnishedin the following
types, as specified (see 6.2 and 6.5):
Type 11 -
Type III -
~pe W -
Normal impact strengthpolyethylene.
High impact strengthpolyethylene.
Polypropylene.
Heat shrinkablepolyethylene.
1.2.2 Classes,
~ades and finishes. Type I, type II, type III, and
type IV polyolefinfilm shall be furnishedin the followingclasses,grades,
and finishes,as specified (see 3.4, 6.2 and 6.5).
class 1
class 2
Class 3
Class 4
Grade A
Grade B
Grade C
Finish 1
Finish 2
For non-food application(see 6.1.1).
For use in contactwith food (see 6.1.1).
Biaxiallyoriented.
Preferentiallyoriented.
Lm
slip.
1
Medium slip.
High Slip.
Untreated.
Treated.
FSC 8135
.,
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