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ASTM D3851-97

(Specification)

Standard Specification for Urethane Microcellular Shoe Soling Materials

Standard Specification for Urethane Microcellular Shoe Soling Materials

SCOPE
1.1 This specification covers urethane microcellular materials for shoe soling applications. It provides properties and dimensional requirements and test methods for specific properties.

General Information

Status
Historical
Publication Date
09-Jul-1997
Technical Committee
D20 - Plastics
Drafting Committee
D20.22 - Cellular Materials - Plastics and Elastomers
Current Stage
Ref Project

Relations

Replaced By
ASTM D3851-97(2003)e1 - Standard Specification for Urethane Microcellular Shoe Soling Materials
Effective Date
10-Mar-2003

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ASTM D3851-97 - Standard Specification for Urethane Microcellular Shoe Soling MaterialsASTM D3851-97 - Standard Specification for Urethane Microcellular Shoe Soling Materials
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ASTM D3851-97 - Standard Specification for Urethane Microcellular Shoe Soling Materials
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: D 3851 – 97
Standard Specification for
Urethane Microcellular Shoe Soling Materials
This standard is issued under the fixed designation D 3851; 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 5. Physical Requirements
1.1 This specification covers urethane microcellular materi- 5.1 The material shall conform to requirements for physical
als for shoe soling applications. It provides properties and properties prescribed in Table 1.
dimensional requirements and test methods for specific prop-
6. Test Methods
erties.
1.2 SI units are to be regarded as the preferred units of 6.1 The physical tests shall be in accordance with Test
Method D 3489.
measurements for values. The inch-pound values in parenthe-
ses can be used if there is an agreement between the contractual 6.2 Material Shrinkage—After removal from the mold,
parties. allow the part to cool to room temperature. Measure the largest
dimensions of the part and the mold at room temperature to the
NOTE 1—There is no similar or equivalent ISO standard.
nearest 0.02 mm or 0.001 in. Calculate the percent change as
follows:
2. Referenced Documents
L 2 L
2.1 ASTM Standards:
m p
% change in length 5 3 100 (1)
L
D 412 Test Methods for Vulcanized Rubber and Thermo- m
plastic Rubbers and Thermoplastic Elastomers— Tension
where:
D 624 Test Method for Tear Strength of Conventional
L = length of mold at room temperature, and
m
Vulcanized Rubber and Thermoplastic Elastomers
L = length of molded part at room temperature.
p
D 1052 Test Method for Measuring Rubber Deterioration—
NOTE 2—An alternative method for determining material shrinkage is
Cut Growth Using Ross Flexing Apparatus
given in Annex A1.
D 1938 Test Method for Tear Propagation Resistance of
Plastic Film and Thin Sheeting by a Single-Tear Method
7. Inspection
D 3489 Test Methods for Rubber—Microcellular Urethane
7.1 Inspection of the material shall be agreed upon in
writing between the purchaser and the seller as part of the
3. Classification
purchase contract.
3.1 This specification covers three grades of microcellular
7.2 Testing for conformance to requirements shall be done
urethane materials that may be selected for use according to
in accordance with this specification and Test Methods D 3489.
abrasion resistance, cut-growth resistance, and other physical
properties. The grades are classified as Grade 1, Grade 2, and
8. Retest and Rejection
Grade 3.
8.1 If any failure occurs, the materials may be retested to
establish conformity in accordance with agreement between
4. Ordering Information
the purchaser and the seller.
4.1 Any product represented as complying with this speci-
fication shall meet all the requirements listed herein for its
9. Packaging, Marking, and Labeling
particular classification.
9.1 Packaging—The material shall be packed in standard
commercial containers, so constructed as to ensure acceptance
This specification is under the jurisdiction of ASTM Committee D-20 on by common or other carriers for safe transportation at the
Plastics and is the direct responsibility of Subcommittee D20.22 on Cellular
lowest rate to the point of delivery, unless otherwise specified
Materials—Plastics and Elastomers.
in the contract or order.
Current edition approved July 10, 1997. Published April 1998. Originally
9.2 Marking—The shipping container shall be marked with
published as D 3851 – 80. Last previous edition D 3851 – 84 (1990).
This revision includes the addition of an ISO equivalency statement and a
the name, type, and quality of material in accordance with the
keyword section. It also establishes SI units as the preferred units but allows for the
contract or order under which the shipment is made. The
use of inch-pound units.
2 shipping container shall also be marked with the name of the
Annual Book of ASTM Standards, Vol 09.01.
manufacturer and the contract or order number.
Annual Book of ASTM Standards, Vol 08.02.
Annual Book of ASTM Standards, Vol 09.02.
Copyright © ASTM International, 100 Barr Harbo
...

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FIG. 1 Bored Forgings
Note 1: Sensitivity multiplication factor such that a 10 % indication at the forging bore surface will be equivalent to a 1/8 in. [3 mm] diameter flat bottom hole. Inspection frequency: 2.0 MHz or 2.25 MHz. Material velocity: 2.30 in./s × 105 in./s [5.85 cm/s × 105 cm/s].
FIG. 2 Solid Forgings
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FIG. 3 Conversion Factors to Be Used in Conjunction with Fig. 1 and Fig. 2 if a Change in the Reference Reflector Diameter is Required
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