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ASTM D 1430 Document Information:
Title
Standard Classification System for Polychlorotrifluoroethylene (PCTFE) Plastics
ASTM International
Publication Date:
Jul 10, 2003
Scope:
This classification system covers polychlorotrifluoroethylene
(PCTFE) plastics that consist of at least 90 %
chlorotrifluoroethylene and are suitable for extrusion and for
compression and injection molding. The remaining 10 % may include
chemical modifications, such as co-monomers, but not colorants,
fillers, plasticizers, or mechanical blends with other resins. This
classification system does not cover recycled PCTFE materials.
The physical and electrical properties of parts molded or
extruded from PCTFE molding compounds vary with the crystalline
content obtained during processing and subsequent annealing.
Accordingly, the numerical values listed in Table 1 apply only to
the test specimens molded in accordance with Section 8. These
values may not be applicable as design criteria to parts prepared
and annealed under other conditions.
The values stated in SI units as detailed in IEEE/ASTM SI 10 are
to be regarded as the standard. The values given in parentheses are
for information only.
The following precautionary statement pertains only to the test
methods portion, Section 10, of this classification system:
This standard does not purport to address all of the safety
concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and
health practices and determine the applicability of regulatory
limitations prior to use.
NOTE 1—Although this classification system and ISO 12086-1
(1995) and ISO 12086-2 (1995) differ in approach or detail, data
obtained using either are technically equivalent.
*A Summary of Changes section appears at the end of this
standard.
Keywords:
- fluoropolymers
- PCTFE
- polychlorotrifluoroethylene
- zero strength time
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