ASTM D5908-96

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Designation: D 5908 – 96
Standard Test Method for
Resin Binder Distribution and Binder Penetration Analysis
of Polyester Nonwoven Fabrics
This standard is issued under the fixed designation D 5908; 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 3.1.6 thermal bonded batting, n—a textile filling material
that contains low-melting point fibers or polymer which, when
1.1 This test method covers the analysis of polyester
heated, fuse the batting materials together.
highloft nonwoven fabrics for resin binder distribution and
3.1.6.1 Discussion—Thermal bonded batting may also con-
binder penetration.
tain a resin binder.
1.2 The values stated in SI units are to be regarded as the
3.1.7 For definitions of other textile terms refer to Termi-
standard. The inch-pound values given in parentheses are for
nology D 123.
information only.
1.3 This standard does not purport to address all of the
4. Summary of Test Method
safety concerns, if any, associated with its use. It is the
4.1 A specimen of batting, either manufactured or from an
responsibility of the user of this standard to establish appro-
end use product, is dyed with a dye that subjectively stains the
priate safety and health practices and determine the applica-
resin binder. The stained specimen is examined for binder
bility of regulatory limitations prior to use.
distribution on the batting surface and binder penetration
2. Referenced Documents through the batting by comparison to photographic rating
standards.
2.1 ASTM Standards:
D 123 Terminology Relating to Textiles
5. Significance and Use
2.2 ASTM Adjuncts:
3 5.1 This test method is used in the trade for acceptance
ADJD5908 Photographic Standards
testing of commercial shipments.
3. Terminology 5.1.1 In case of a dispute arising from differences in
reported test results when using this test method, the purchaser
3.1 Definitions:
and the supplier should conduct comparative tests to determine
3.1.1 batting, n—a textile filling material consisting of a
if there is a statistical bias between their laboratories. Compe-
continuous web of fibers formed by carding, garnetting, air
tent statistical assistance is recommended for the investigation
laying or other means.
of bias. As a minimum, the two parties should take a group of
3.1.2 highloft nonwoven fabric, n—a low density fiber
test samples that are as homogeneous as possible and are from
network structure characterized by a high ratio of thickness to
a material lot of the type in question. The test samples should
mass per unit area.
then be randomly assigned in equal numbers to each laboratory
3.1.3 needle-punched batting, n—a textile filling material
for testing. The average results from the two laboratories
that is stabilized by mechanically entangling the fibers.
should be compared using a statistical test for unpaired data
3.1.4 resin binder, n—emulsion polymer used for bonding.
and an acceptable probability level chosen by the two parties
3.1.5 resin bonded batting, n—a textile filling material that
before the testing is begun. If a bias is found, either its cause
is stabilized by spraying it with an acrylic, polyvinyl acetate, or
must be found and corrected or the purchaser and the supplier
other suitable resin emulsion after which the batting is dried
must agree to interpret future test results with consideration of
and cured.
the known bias.
5.2 This test method is used to assess the distribution of
This test method is under the jurisdiction of ASTM Committee D-13 on Textiles resin binder application. The distribution of resin binder relates
and is the direct responsibility of Subcommittee D13.64 on Non-Woven Fabrics.
to batting performance.
Current edition approved March 10, 1996. Published May 1996.
Annual Book of ASTM Standards, Vol 07.01.
Two sets of five color photographic standards illustrating changes in binder
distribution and penetration are available from ASTM Headquarters. Request
ADJD5908.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D5908–96
6. Apparatus and Materials
Binder Surface Distribution Rating Scale
Rating Description
6.1 Dyebath Container, plastic or metal, of sufficient vol-
ume for dyebath. 5 No undyed portions, uniform coverage and shade
4 Majority of web dyed, slight variation in shade
6.2 Dye, C.I. Basic Red 14.
3 Small undyed areas indicative of lack of binder
6.3 Rubber Gloves and Safety Glasses.
2 Large undyed areas, apparent streaks
1 Majority of web undyed, narrow width streaks
6.4 Stirrer.
6.5 Photographic Rating Standards:
8.7 Select three positions across a width-wise edge of the
6.5.1 Binder Surface Distribution Photographic Rating
specimen, the center and 25 cm (12 in.) from each machine-
Standards, and
direction edge. For each position, rate the specimen using the
6.5.2 Binder Penetration Photographic Rating Standards.
Binder Penetration Rating Scale or the Binder Penetration
Photographic Rating Standards and record the rating.
7. Sampling and Test Specimens
Binder Penetration Rating Scale
Rating Description
7.1 Lot Sample—As a lot sample for acceptance testing,
take at random the number
...