ASTM C1101/C1101M-06(2012)

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Designation: C1101/C1101M − 06 (Reapproved 2012)
Standard Test Methods for
Classifying the Flexibility or Rigidity of Mineral Fiber
Blanket and Board Insulation
ThisstandardisissuedunderthefixeddesignationC1101/C1101M;thenumberimmediatelyfollowingthedesignationindicatestheyear
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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope 5.2 Rigidity Tester, consisting of two horizontal, parallel,
⁄2-in. NPS iron pipe supports (outside diameter 0.840 in. [21.3
1.1 These test methods cover the procedures for the classi-
mm]) at least 24 in. [610 mm] long and spaced 30 in. [762 mm]
fication of mineral fiber insulation as flexible, resilient flexible,
apart and horizontally to each other.
semirigid, or rigid.
1.2 The values stated in either SI units or inch-pound units
6. Sampling
are to be regarded separately as standard. The values stated in
6.1 Atest sample shall consist of one representative package
each system may not be exact equivalents; therefore, each
of insulation. One test specimen measuring 12 in. by 12 in.
system shall be used independently of the other. Combining
[305 by 305 mm] and of full thickness shall be randomly cut
values from the two systems may result in non-conformance
from the sample for flexibility testing. If the rigidity portion of
with the standard.
the procedure is to be performed, a test specimen measuring 32
1.3 This standard does not purport to address all of the
in. [813 mm] long, and between 6 and 24 in. [152 and 610 mm]
safety concerns, if any, associated with its use. It is the
wide, and of full thickness shall be randomly cut from the
responsibility of the user of this standard to establish appro-
sample.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
7. Procedure
2. Referenced Documents
7.1 Test for Flexibility—Bend the 12 by 12-in. [305 by
305-mm] piece of insulation over the ⁄2 in. NPS iron pipe
2.1 ASTM Standards:
through an angle of 90° and examine the outer surface for
C168 Terminology Relating to Thermal Insulation
visible rupture.
3. Terminology
7.2 Test for Resilient Flexibility—If no rupture occurs after
3.1 Definitions—Terminology C168 shall be considered as undergoing the 90° bending in 7.1, release the bent insulation.
applying to the terms used in these test methods.
7.3 If the insulation is not classified as flexible or resilient
flexible, it shall be tested in accordance with 7.4 to determine
4. Significance and Use
the degree of rigidity.
4.1 Classification of insulation relative to flexibility or
7.4 Test for Semirigidity and Rigidity—Place the 32 in. [813
rigidity is useful in establishing installation and application
mm] long piece of insulation on the two horizontal, parallel,
characteristics.
⁄2-in. NPS iron pipe supports spaced 30 in. [762 mm] apart.
After 5 min have elapsed, measure the sag of the insulation to
5. Apparatus
the nearest 0.05 in. [1.3 mm] at the center of the span, from a
5.1 Iron Pipe, ⁄2-in. NPS (outside diameter 0.840 in. [21.3
straight line connecting two points on the insulation’s surface
mm]) measuring at least 12 in. [305 mm] in length.
directly above the supports.
These test methods are under the jurisdiction of
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