ASTM F2894-12

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:F2894–12
Standard Test Method for
Evaluation of Materials, Protective Clothing and Equipment
1
for Heat Resistance Using a Hot Air Circulating Oven
This standard is issued under the fixed designation F2894; 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 D1776 Practice for Conditioning and Testing Textiles
E145 Specification for Gravity-Convection and Forced-
1.1 This test method covers quantitative measurements and
Ventilation Ovens
subjective observations that characterize the performance for
E177 Practice for Use of the Terms Precision and Bias in
evaluating the heat resistance of materials, protective clothing
ASTM Test Methods
and equipment when exposed in a hot air circulating oven.
E691 Practice for Conducting an Interlaboratory Study to
1.2 This test method is intended to evaluate physical
Determine the Precision of a Test Method
changes in materials, protective clothing and equipment at a
F1494 Terminology Relating to Protective Clothing
specified heat exposure.
2.2 AATCC Standard:
1.2.1 The specified heat exposure in the hot air circulating
Test Method 135 Dimensional Changes inAutomatic Home
oven is a combination of convective heat and radiant heat.
3
Laundering of Woven and Knit Fabrics
1.3 Materials, protective clothing and equipment are evalu-
2.3 NFPA Standards:
ated for visible changes or subjected to a material property
NFPA 1975 Standard on Station/Work Uniforms for Fire
measurement following a specified heat exposure.
4
and Emergency Services
1.4 This test method enables the quantitative measurement
of shrinkage that occurs as a result of a specified heat exposure
3. Terminology
in a hot air circulating oven.
3.1 Definitions of Terms
1.5 The values stated in SI units are to be regarded as
3.2 For definitions of terms used in this test method, use the
standard. The values given in parentheses are mathematical
followingdocuments:Ifthetermsarerelatedtotextilesreferto
conversions to other units that are commonly used for thermal
Terminology D123; if the terms are related to protective
testing.
clothing refer to Terminology F1494.
1.6 This standard does not purport to address all of the
3.2.1 convective heat, n—heat transferred by the motion of
safety concerns, if any, associated with its use. It is the
a fluid.
responsibility of the user of this standard to establish appro-
3.2.2 degradation, n—a deleterious change in one or more
priate safety and health practices and determine the applica-
properties of a material.
bility of regulatory limitations prior to use.
3.2.2.1 Discussion—In thermal testing of materials, protec-
NOTE 1—Flame resistant and heat resistant materials are described in a
tiveclothingandequipment,degradationisamaterialresponse
range of different standards and meet a range of different requirements.
evidenced by a change in either or both the visual properties
For materials tested in accordance with this test method, the applicable
and the performance properties of the test specimen.
standard shall be used to establish preconditioning, conditioning and
3.2.2.2 Discussion—Degradation generally is associated
testing conditions and requirements.
with a chemical composition change that can result in a change
2. Referenced Documents
in a visual property, for example, color, or it can result in a
2
change in a performance property including but not limited to
2.1 ASTM Standards:
strength, hand, flammability, penetration resistance, water
D123 Terminology Relating to Textiles
repellencyandairpermeability.Atestspecimenthatchangesin
one property does not necessarily change in other properties.
1
This is under the jurisdiction ofASTM Committee F23 on Personal Protective
Evidence of degradation in performance properties usually
Clothing and Equipment and is the direct responsibility of Subcommittee F23.80 on
requires additional measurements related to properties of
Flame and Thermal.
Current edition approved Feb. 1, 2012. Published March 2012. Originally
approved in 2011. Last previous edition approved in 2011 as F2894 -11 .
3
DOI:10.1520/F2894-12. Available from American Association of Textile Chemists and Colorists
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or (AATCC), P.O. Box 12215, Research Triangle Park, NC 27709, http://
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM www.aatcc.org.
4
Standards volume information, refer to the standard’s Document Summary page on Available from National Fire Protection Association (NFPA), 1 Batterymarch
the ASTM website. Park, Quincy, MA 02169-7471, http://www.nfpa.org.
C
...