ASTM D3275-06
(Classification)Standard Classification System for E-CTFE-Fluoroplastic Molding, Extrusion, and Coating Materials
Standard Classification System for E-CTFE-Fluoroplastic Molding, Extrusion, and Coating Materials
SCOPE
1.1 This classification system covers melt processible molding, extrusion, and coating materials of ethylene-chlorotrifluoroethylene (E-CTFE) fluoroplastics. The resin is a copolymer of ethylene and chlorotrifluoroethylene containing approximately 80 weight % of chlorotrifluoroethylene.
1.2 The values stated in SI units, as detailed in IEEE/ASTM SI-10, are to be regarded as standard.
The following precautionary statement pertains only to the test methods portion, Section 11 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.
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Designation: D 3275 – 06
Standard Classification System for
E-CTFE-Fluoroplastic Molding, Extrusion, and Coating
1
Materials
This standard is issued under the fixed designation D 3275; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope* by Extrusion Plastometer
D 1600 Terminology for Abbreviated Terms Relating to
1.1 This classification system covers melt processible mold-
Plastics
ing, extrusion, and coating materials of ethylene-
D 1708 Test Method for Tensile Properties of Plastics by
chlorotrifluoroethylene (E-CTFE) fluoroplastics. The resin is a
Use of Microtensile Specimens
copolymer of ethylene and chlorotrifluoroethylene containing
D 2863 Test Method for Measuring the Minimum Oxygen
approximately 80 weight % of chlorotrifluoroethylene.
Concentration to Support Candle-Like Combustion of
1.2 The values stated in SI units, as detailed in IEEE/
Plastics (Oxygen Index)
ASTM SI-10, are to be regarded as standard.
D 3892 Practice for Packaging/Packing of Plastics
1.3 The following precautionary statement pertains only to
D 4591 Test Method for Determining Temperatures and
the test methods portion, Section 11 of this classification
Heats of Transitions of Fluoropolymers by Differential
system.This standard does not purport to address all of the
Scanning Calorimetry
safety concerns, if any, associated with its use. It is the
IEEE/ASTM SI-10 UseoftheInternationalSystemofUnits
responsibility of the user of this standard to establish appro-
(SI): The Modern Metric System
priate safety and health practices and determine the applica-
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2.2 ISO Standards:
bility of regulatory limitations prior to use.
ISO 12086-1 Plastics—Fluoropolymer Dispersion and
NOTE 1—Although this classification system and ISO 12086-1 (1995)
Moulding and Extrusion Materials—Part 1: Designation
and ISO 12086-2 (1995) differ in approach or detail, data obtained using
and Basis for Specification
either are technically equivalent.
ISO 12086-2 Plastics—Fluoropolymer Dispersion and
MouldingandExtrusionMaterials—Part2:Preparationof
2. Referenced Documents
Test Specimens and Determination of Properties
2
2.1 ASTM Standards:
D 150 Test Methods for AC Loss Characteristics and Per-
3. Terminology
mittivity (Dielectric Constant) of Solid Electrical Insula-
3.1 Definitions: Definitions of terms used in this classifica-
tion
tion system shall be in accordance with Terminology D 883.
D 618 Practice for Conditioning Plastics for Testing
3.1.1 lot, n—one production run or a uniform blend of two
D 638 Test Method for Tensile Properties of Plastics
or more production runs.
D 792 TestMethodsforDensityandSpecificGravity(Rela-
3.2 Abbreviations:Abbreviations are in accordance with
tive Density) of Plastics by Displacement
Terminology D 1600.
D 883 Terminology Relating to Plastics
D 1238 TestMethodforMeltFlowRatesofThermoplastics
4. Classification
4.1 ECTFE materials are classified into groups in accor-
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dance with their physical appearance. The groups are further
ThisclassificationsystemisunderthejurisdictionofASTMCommitteeD20on
Plastics and is the direct responsibility of Subcommittee D20.15 on Thermoplastic
divided into classes based on melt flow rate. These classes are
Materials
subdivided into grades as shown in the Table E-CTFE.
Current edition approved Dec. 1, 2006. Published December 2006. Originally
approved in 1973. Last previous edition approved in 2005 as D 3275 - 05.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
the ASTM website. 4th Floor, New York, NY 10036.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D3275–06
TABLE E–CTFE
E,F
Group Class Description Grade Melt Flow Specific Tensile Elongation, Melting Oxygen Dielectric Dissipation
A,B C D,E G H I J
Rate, Gravity, Strength, min, % Point, °C, Index, Constant, Factor,
6 6
g/10 min 23/23°C min, MPa min min, % max, 10 Hz max, 10 Hz
01 powder 1 Low melt flow 1 0.05–1.50 1.65–1.71 40 200 240 60 2.6 0.015
rate
2 Medium melt 1 1.51–6.0 1.65–1.71 40 200 240 60 2.6 0.015
flow rate
3 High melt 1 6.1–25 1.65–1.71 40 200 240 60 2.6 0.015
flow rate
0 Other 0
02 pellet 1 Low melt flow 1
...
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