L C 396B 联邦规范 塑料模塑和挤出材料聚苯乙烯(1975年6月10日)[S S由ASTM D4549规定]

ID:42470

大小:1.31 MB

页数:30页

时间:2023-03-16

金币:20

上传者:战必胜
L-P-396B
June 10, 1975
SUPERSEDING
Fed. Spec. L-P-396A
August 1, 1969
I FEDERAL SPECIFICATION
PLASTIC MOLDING AND EXTRUSION MATERIAL,
POLYSTYRENE
This specification was approved by the Commissioner,
I
Federal Supply Service, General Services Administra-
tion for the use of all Federal agencies.
1. SCOPE AND CLASSIFICATION
1.1 Scope.
This specification covers the requirements for polystyrene
materials suitable for molding and extrusion.
1.2 Classification.
1.2.1 Types and classes.
The polystyrene plastic material shall be of
the following types and classes? as specified (see 6.2).
Type I -
Type II -
1
Type 111 -
1
1
Type IV -
Type V -
Class 1 -
Class 2 -
:,.,
.,.
Lowest Vicat softening point range (80° to 84.9”C.),
maximum flow rate.
Second lowest Vicat softening point range (83° to 89.9*C.)
maximum flow rate.
Mid-range Vicat softening point (90° to 94.9”C.),
second highest flow rate.
Second highest Vicat softening point range{95° to
102.9”C.), second lowest flow rate.
Highest Vicat softening point range (103”C. and above),
lowest flow rate.
Non-electrical quality.
Electrical ,quality.
FSC 9330
Downloaded from http://www.everyspec.com
资源描述:

当前文档最多预览五页,下载文档查看全文

此文档下载收益归作者所有

当前文档最多预览五页,下载文档查看全文
温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,天天文库负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。
关闭