PPP C 1752C 联邦规范 缓冲材料包装聚乙烯泡沫(1987年1月29日)[S由A 59135和A 59136]

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时间:2023-03-16

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上传者:战必胜
FEDERAL SPECIFICATION
CUSHIONING MATERIAL,
PACKAGING,
(UNICELLULAR POLYETHYLENE
FOAM, FLEXIBLE)
PPP-C-1752C
January
298 1987
SUPERSEDING
PPP-C-1752B
April 11, 1980
This specification is approved by the Commissioner, Federal
Supply Service, General Services Administration, for the use of
all Federal agencies.
I
1.
SCOPE AND CLASSIFICATION
1
1.1 Scope.
This specification establishes requirements for unicellular,
polyethylene foam cushioning materials including anti-static and fire retardant
classes for use in cushioning and packaging applications.
1.2 Classification.
Cushioning material covered by this specification shall be
of the following types and classes as
specified (see 6.2).
Omission of the
material grade in a specification shall be interpreted to mean grade A material.
1.2.1 Class definitions.
Class 1 - Sheet (in roll form).
class 2 - Extruded or laminated plank (w/skins intact)
Class 3 - Fabricated shapes and planks, rounds, die
cuts and specials.
1.2.2 Gxade definitions.
Grade A
- No special grade characteristics required.
Grade B - Static dissipative (identified)
Grade C - Fire retardant
1.2.3 Ty~
classifications.
Type I -
Density range 2.1-3.0 (lb/ft
‘).
Class 2, Grades A, B; C.
Class 3, Grades A, B, C.
Type 11
- Density range 2.3-3.3
(lb/ft3 ).
Class 1, Grades A, B, C.
Class 2, Grades A, B, C.
Type 111 - Density range 3.4-4.5 (lb/ft3).
Class 2, Grades A,
B.
Class 3, Grades A, 8.
Type IV -
Density range 5.5-7.1
(lb/ft3).
Class 2, Grades A, B.
Class 3,
Grades A, B.
Type V -
Density range 8.5-10.5
(lb/ft3).
Class 2, Grades A, B.
Class 3,
Grades A, B.
FSC 8135
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