Standard Test Method for Flash and Fire Points by Cleveland Open Cup Tester

SCOPE
1.1 This test method describes the determination of the flash and fire point of petroleum products by a manual Cleveland open cup apparatus or an automated Cleveland open cup apparatus.  
Note 1—The precisions for fire point were not determined in the current interlaboratory program. Fire point is a parameter which is not commonly specified, although in some cases, knowledge of this flammability temperature may be desired.  
1.2 This test method is applicable to all petroleum products with flash points above 79° C (175° F) and below 400° C (752° F) except fuel oils.  
Note 2—This test method may occasionally be specified for the determination of the fire point of a fuel oil. For the determination of the flash points of fuel oils, use Test Method D 93. Test Method D 93 should also be used when it is desired to determine the possible presence of small, but significant concentrations of lower flash point substances which may escape detection by Test Method D 92. Test Method D 1310 can be employed if the flash point is known to be below 79° C (175° F).  
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.  
1.4 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 6.4, 7.1, 11.1.3, and 11.2.4.

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Publication Date
09-Dec-2002
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ASTM D92-02b - Standard Test Method for Flash and Fire Points by Cleveland Open Cup Tester
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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An American National Standard
Designation:D92–02b American Association State
Highway and Transportation Officials Standard
AASHTO No.: T48
DIN 51 376
Designation: 36/84 (89)
Standard Test Method for
1
Flash and Fire Points by Cleveland Open Cup Tester
ThisstandardisissuedunderthefixeddesignationD 92;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
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.
INTRODUCTION
This flash point and fire point test method is a dynamic method and depends on definite rates of
temperature increases to control the precision of the test method. Its primary use is for viscous
materials having flash point of 79°C (175°F) and above. It is also used to determine fire point, which
is a temperature above the flash point, at which the test specimen will support combustion for a
minimum of 5 s. Do not confuse this test method with Test Method D 4206, which is a sustained
burning test, open cup type, at a specific temperature of 49°C (120°F).
Flash point values are a function of the apparatus design, the condition of the apparatus used, and
the operational procedure carried out. Flash point can therefore only be defined in terms of a standard
test method, and no general valid correlation can be guaranteed between results obtained by different
test methods, or with test apparatus different from that specified.
escape detection by Test Method D 92. Test Method D 1310 can be
1. Scope*
employed if the flash point is known to be below 79°C (175°F).
1.1 Thistestmethoddescribesthedeterminationoftheflash
1.3 The values stated in SI units are to be regarded as the
point and fire point of petroleum products by a manual
standard. The values given in parentheses are for information
Cleveland open cup apparatus or an automated Cleveland open
only.
cup apparatus.
1.4 This standard does not purport to address all of the
NOTE 1—The precisions for fire point were not determined in the
safety concerns, if any, associated with its use. It is the
current interlaboratory program. Fire point is a parameter that is not
responsibility of the user of this standard to establish appro-
commonly specified, although in some cases, knowledge of this flamma-
priate safety and health practices and determine the applica-
bility temperature may be desired.
bility of regulatory limitations prior to use. For specific hazard
1.2 This test method is applicable to all petroleum products
statements, see 6.4, 7.1, 11.1.3, and 11.2.4.
with flash points above 79°C (175°F) and below 400°C
(752°F) except fuel oils.
2. Referenced Documents
NOTE 2—This test method may occasionally be specified for the 2.1 ASTM Standards:
determination of the fire point of a fuel oil. For the determination of the
D 93 Test Methods for Flash Point by Pensky-Martens
2
flash points of fuel oils, use Test Method D 93. Test Method D 93 should
Closed Cup Tester
alsobeusedwhenitisdesiredtodeterminethepossiblepresenceofsmall,
3
D 140 Practice for Sampling Bituminous Materials
but significant, concentrations of lower flash point substances that may
D 1310 Test Method for Flash Point and Fire Points of
4
Liquids by Tag Open-Cup Apparatus
1
D 4057 Practice for Manual Sampling of Petroleum and
This test method is under the joint jurisdiction of ASTM Committee D02 on
Petroleum Products and Lubricants and is the direct responsibility of Subcommittee
D02.08 on Volatility. In the IP, this test method is under the jurisdiction of the
Standardization Committee. This test method was adopted as a joint ASTM-IP
2
standard in 1965. Annual Book of ASTM Standards, Vol 05.01.
3
Current edition approved Dec. 10, 2002. Published March 2003. Originally Annual Book of ASTM Standards, Vol 04.03.
4
approved in 1921. Last previous edition approved in 2002 as D 92–02a. Annual Book of ASTM Standards, Vol 06.01.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D92–02b
5
Petroleum Products at which application of the test flame causes the vapors of the
D 4177 Practice for Automatic Sampling of Petroleum and test specimen of the sample to ignite. To determine the fire
5
Petroleum Products point,thetestiscontinueduntiltheapplicationofthetestflame
D 4206 Test Method for Sustained Burning of Liquid Mix- causes the test specimen to ignite and sustain burning for a
6
tures by the Setaflash Tester (Open-Cup) minimum of 5 s.
7
E 1 Specification for ASTM Thermometers
8
E 300 Practice for Sampling Industrial
...

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