ASTM F1060-16

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Designation: F1060 − 16
Standard Test Method for
Evaluation of Conductive and Compressive Heat Resistance
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(CCHR)
This standard is issued under the fixed designation F1060; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope F1494 Terminology Relating to Protective Clothing
1.1 This test method is used to measure the thermal insula-
3. Terminology
tion of materials used in protective clothing when exposed for
3.1 Definitions—In testing thermal protection clothing
a short period of time to a hot surface with a temperature up to
material, the response to hot surface contact is indicated by the
600°F (316°C).
following descriptive terms:
1.2 This test method is applicable to materials used in the
3.1.1 charring—the formation of a carbonaceous residue as
construction of protective clothing, including, but not limited
the result of pyrolysis or incomplete combustion.
to: woven fabrics, knit fabrics, battings, sheet structures, and
3.1.2 embrittlement—the formation of a brittle residue as a
material composites, intended for use as clothing for protection
result of pyrolysis or incomplete combustion.
against exposure to hot surfaces.
3.1.3 heat flux—the thermal intensity indicated by the
1.3 Thistestmethodshouldbeusedtomeasureanddescribe
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amount of energy transmitted divided by area and time, W/m
the properties of materials, products, or assemblies in response
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(cal/cm ·s).
to heat under controlled laboratory conditions and should not
3.1.4 human tissue heat tolerance (heat tolerance)—in the
be used to describe or appraise the thermal hazard or fire risk
testing of thermal protective materials, the amount of thermal
of materials, products, or assemblies under actual exposure
energy predicted to cause a second-degree burn injury in
conditions.
human tissue.
1.4 The values as stated in SI units are to be regarded as the
3.1.5 ignition—the initiation of combustion.
standard. The values in parentheses are given for information
3.1.6 melting—a material response evidenced by softening
only.
of the polymer.
1.5 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the 3.1.7 shrinkage—a decrease in one or more dimensions of
responsibility of the user of this standard to establish appro- an object or material.
priate safety and health practices and determine the applica-
3.1.8 sticking—a material response evidenced by softening
bility of regulatory limitations prior to use.
and adherence of the material to the surface of itself or another
material.
2. Referenced Documents
3.1.9 thermal end point—in the testing of thermal protective
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2.1 ASTM Standards:
materials, the point where the copper slug calorimeter sensor
D123 Terminology Relating to Textiles
response (heat energy measured) intersects with a predicted
D1776/D1776M Practice for Conditioning and Testing Tex-
skin burn injury model.
tiles
3.2 For all terminology related to protective clothing, see
D4391 Terminology Relating to The Burning Behavior of
Terminology F1494.
Textiles
3.3 For definitions of other textile terms used in this test
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This test method is under the jurisdiction ofASTM Committee F23 on Personal method, refer to Terminology D123.
Protective Clothing and Equipment and is the direct responsibility of Subcommittee
F23.80 on Flame and Thermal.
4. Summary of Test Method
Current edition approved Aug. 1, 2016. Published September 2016. Originally
4.1 Thistestmethodmeasurestheperformanceofinsulative
approved in 1987. Last previous edition approved in 2008 as F1060 - 08. DOI:
10.1520/F1060-16.
materials. A material is placed in contact with a standard hot
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
surface. The amount of heat transmitted by the material is
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
compared with the human tissue tolerance and the obvious
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. effects of the heat on the material are noted.
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F1060 − 16
4.2 The temperature of the hot surface is measured/ hot surface exposures requires a different model for determin-
controlled with a thermocouple and the heat transmitted by the ing burn injury or a different basis for reporting test results.
test specimen is measured with a copper calorimeter. The
6. Apparatus
calorimeter temperature increase is a direct
...