Astm D 3218 – 01 pdf free download

Standard Specification for
Polyolefin Monofilaments1

This standard is issued under the fixed designation D 3218; 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.

1. Scope

1.1 This specification covers polyolefin monofilament yarn
materials, and test methods for standard polyolefin monofilaments. While designed primarily for testing standard polyolefin
monofilaments, many of the procedures can be used, with little
or no modification, for other polyolefin monofilaments. However, testing on non-standard polyolefin monofilaments should
be conducted with caution. See 3.2.3 for a definition of
standard polyolefin monofilament.

1.2 Only on condition that interlaboratory precision data are
available for the specific procedure is any test method described, or referenced in this specification, recommended for
acceptance testing of commercial shipments of polyolefin
monofilaments.

1.3 The specification for polyolefin raw materials appears in
Section 4.

1.4 The test methods for individual properties appear in the
following sections:
Property Section
Breaking Force 10
Breaking Tenacity 10
Elongation 10
Gloss 13
Hot Water Shrinkage 14
Initial Modulus 10
Polyolefin-Material Cleanliness 17
Resistance to Ultraviolet Radiation 15
Stability to Thermal Oxidation 16
Tensile Properties 10
Thickness 12
Width 11
Yarn Number 9
NOTE 1—In most instances, the suitability of these procedures for
polymeric yarns in general, and polyolefin monofilaments in particular, is
already accepted in commercial transactions (see 6.1).
1.5 The values stated in SI units are to be regarded as
standard; the values in English units are provided as information only and are not exact equivalents.
1.6 The following safety hazards caveat pertains only to the
test methods described in this specification: This standard may
involve hazardous materials, operations, and equipment. This

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