ASTM C167-98

Standard Test Methods for Thickness and Density of Blanket or Batt Thermal Insulations

SCOPE
1.1 These test methods cover the determination of thickness and density of flexible, felted, or woven thermal insulating blankets, rolls, or batts composed of fibrous materials, with or without surface covering or reinforcement.
1.2 This standard does not purport to address all of the safety problems, 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. For specific hazards, see Section 6.

General Information

• Status: Historical
• Publication Date: 09-Aug-1998
• Technical Committee: C16 - Thermal Insulation
• Drafting Committee: C16.32 - Mechanical Properties

Relations

• Replaced By: ASTM C167-98(2003) - Standard Test Methods for Thickness and Density of Blanket or Batt Thermal Insulations
• Effective Date: 10-Apr-2003

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn. Contact
ASTM International (www.astm.org) for the latest information.
Designation: C 167 – 98
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Test Methods for
Thickness and Density of Blanket or Batt Thermal
1
Insulations
This standard is issued under the fixed designation C 167; 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
1.1 These test methods cover the determination of thickness
and density of flexible, felted, or woven thermal insulating
blankets, rolls, or batts composed of fibrous materials, with or
without surface covering or reinforcement.
1.2 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 appro-
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
2. Referenced Documents
2.1 ASTM Standards:
C 168 Terminology Relating to Thermal Insulation Materi-
2
als
3. Terminology
3.1 Definitions—Terminology C 168 shall be considered as
applicable to the terms used in these test methods.
4. Significance and Use
4.1 Proper measurements of thickness and density of blan-
ket or batt insulations are essential for determining thermal
FIG. 1 Depth Gage for Thickness Measurements
insulation properties. For a particular batt or blanket product,
thickness and density are usually directly related to thermal
insulating value.
5.2 Steel rule, graduated in 0.05-in. or 1-mm intervals.
4.2 These test methods are of significant value in manufac-
5.3 Scales, of sufficient capacity and sensitivity to weigh the
turing quality control, to ensure that claimed insulation values
test specimen to an accuracy of 60.5 %.
of products are maintained.
6. Sampling
5. Apparatus
6.1 A test sample shall consist of one representative roll or
5.1 Depth Gage, of the type shown in Fig. 1. The disk shall
bundle of insulation.
be fabricated of a suitable clear plastic material, so that the
6.2 Sampling of Bundles—For bundles which contain 20
operator can see when contact is made with the insulation. The
or more batts, five batts shall be selected. Otherwise, either the
disk shall be perpendicular to the pin at all times and shall have
three-batt or five-batt selection technique may be used. Batts
a friction device to grip the pin unless purposely moved. The
which are folded in half shall count as two batts for purposes
pin shall be of sufficient length for the material to be measured.
of choosing and employing the selection method.
6.2.1 Three-Batt Method—Select the center batt and the
1
second batt in from each end of the package.
These test methods are under the jurisdiction of ASTM Committee C-16 on
Thermal Insulation and are the direct responsibility of Subcommittee C16.32 on
6.2.2 Five-Batt Method—Divide the package sequentially
Mechanical Properties.
into five groups of batts as equal in number as possible. Select
Current edition approved August 10, 1998. Published November 1998. Origi-
the first batt from each group. Be careful to select one and only
nally published as C 167 – 41. Last previous edition C 167 – 93.
2
Annual Book of ASTM Standards, Vol 04.06. one batt from the two end batts within the package.
1

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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.¬
C 167
half of that dimension to establish the test points.
6.2.3 Cut batts which are longer than 48 in. to 48 6 0.25 in.
NOTE 2—Some materials may require4hor more to reach equilibrium.
(122 6 0.63 cm) in length.
6.3 Sampling of Cut Rolls—Five batts will be cut of
7.2 Expansion of Full Roll—Unroll the insulation. Flip the
roll-width by 48 6 0.25 in. (122 6 0.63 cm) in length.
test roll over its entire length so the bottom surface is now on
6.3.1 Cut one batt from the center of the roll, two batts from
top. Next grasp one end and pull the material over itself until
the ends of the roll, and the fourth and fifth from the quarter
the original surface is again facing up. If there is insufficient
points along the length.
room to pull the material over itself (less than twice the
6.3.2 For blankets wider than 24 in., cut each of the five
unrolled length), the material may be repositioned by sliding
batts 24 6 0.25 in. (61 6 0.63 cm) wide by 48 6 0.25 in. (122
the partially pulled roll to the end of the tes
...