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ASTM D 56 Document Information:
Title
Standard Test Method for Flash Point by Tag Closed Cup Tester
ASTM International
Publication Date:
May 1, 2005
Scope:
(Footnote *)
This test method covers the determination of the flash point, by tag
manual and automated closed
testers, of liquids with a viscosity below 5.5 mm²/s (cSt) at
40°C (104°F), or below
9.5 mm²/s (cSt) at 25°C (77°F), and a flash point below
93°C (200°F).
For the closed-cup flash point of liquids with the following
properties: a viscosity of 5.5
mm²/s (cSt) or more at 40°C (104°F); a viscosity of 9.5
mm²/s (cSt) or more at
25°C (77°F); a flash point of 93°C (200°F) or higher;
a tendency to form a surface
film under test conditions; or containing suspended solids, Test
Method D 93 can be used.
For cut-back asphalts refer to Test Methods D 1310 and D 3143.
NOTE 1 - The U.S. Department of Transportation (RSTA)(Footnote 2) and
U.S. Department of Labor
(OSHA) have established that liquids with a flash point under
37.8°C (100°F) are flammable
as determined by this test method for those liquids that have a
viscosity less than 5.5 mm²/s
(cSt) at 40°C (104°F) or 9.5 mm²/s (cSt) or less at
25°C (77°F), or do not
contain suspended solids or do not have a tendency to form a surface
film while under test. Other
flash point classifications have been established by these departments
for liquids using this test
method.
This test method can be used to measure and describe the properties of
materials, products, or
assemblies in response to heat and flame under controlled laboratory
conditions and cannot be used
to describe or appraise the fire hazard or fire risk of materials,
products, or assemblies under
actual fire conditions. However, results of this test method can be
used as elements of fire risk
assessment that takes into account all of the factors that are
pertinent to an assessment of the
fire hazard of a particular end use.
Related standards are Test Methods D 93, D 1310, D 3828, D 3278, and D
3941.
The values stated in SI units are to be regarded as the standard. The
values given in parentheses
are for information only.
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 appropriate safety and
health practices and determine the applicability of regulatory
limitations prior to use. For
specific hazard statements see 8.2, 8.3, 9.5, 12.5, and refer to
Material Safety Data Sheets.
Footnote * - A Summary of Changes section appears at the end of this
standard.
Footnote 2 - For information on United States Department of
Transportation regulations, see Codes
of United States Regulation 49 CFR Chapter 1 and for information on
United States Department of
Labor regulations, see Code of United States Regulation 29 CFR Chapter
XVII. Each of these items
are revised annually and may be procured from the Superintendent of
Documents, Government Printing
Office, Washington, DC 20402.
Keywords:
- combustible
- fire risk
- flammable
- flash point
- tag closed cup
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