1、Designation: E2690 10Standard Practice forSpecimen Preparation and Mounting of Caulks and Sealantsto Assess Surface Burning Characteristics1This standard is issued under the fixed designation E2690; the number immediately following the designation indicates the year oforiginal adoption or, in the ca
2、se of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This practice describes procedures for specimen prepa-ration and mounting when testing cau
3、lks and sealants up to 8in. (203.2 mm) in width to assess flame spread and smokedevelopment as surface burning characteristics using TestMethod E84. Caulks and sealants in excess of 8 in. (203.2 mm)are to be tested in full coverage as applied to fiber cementboard as described in Test Method E84.1.2
4、This practice applies to caulks and sealants intended forvarious uses within buildings. The caulks and sealants ad-dressed in this practice are not able to be supported by theirown structural characteristics during the test.1.3 Testing is conducted in accordance with Test MethodE84.1.4 This practice
5、 does not provide pass/fail criteria that canbe used as a regulatory tool.1.5 This practice does not apply to materials for which thetest specimen does not remain in place before and during thetest until maximum flame propagation has occurred.1.6 This practice is not for system evaluation. It is for
6、 thecomparison of the materials only.1.7 The results obtained by using this mounting procedureare confined to the materials themselves as tested and are notcomparable to materials that are tested in a full tunnel widthapplication.1.8 This fire standard cannot be used to provide quantitativemeasures.
7、1.9 Fire testing is inherently hazardous. Adequate safe-guards for personnel and property shall be employed inconducting these tests.1.10 This standard gives instructions on specimen prepara-tion and mounting, but the fire-test-response method is given inTest Method E84. See also Section 9.1.11 The
8、text of this standard references notes and footnoteswhich provide explanatory material. These notes and footnotesshall not be considered requirements of the standard.1.12 The values stated in inch-pound units are to be re-garded as standard. The values given in parentheses aremathematical conversion
9、s to SI units that are provided forinformation only and are not considered standard.1.13 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices an
10、d determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2C717 Terminology of Building Seals and SealantsE84 Test Method for Surface Burning Characteristics ofBuilding MaterialsE176 Terminology of Fire StandardsIEEE/ASTM SI-10 International Syst
11、em of Units (SI): TheModernized Metric System3. Terminology3.1 DefinitionsFor definitions of terms used in this prac-tice associated with fire issues, refer to the terminologycontained in Terminology E176. For definitions of terms usedin this practice associated with caulks and sealants refer to the
12、terminology contained in Terminology C717.3.2 Definitions of Terms Specific to This Standard:3.2.1 bead, nin building construction, a strip of appliedsealant, glazing compound or putty.3.2.2 sealant, nin building construction, a material thathas the adhesive and cohesive properties to form a seal.3.
13、2.3 self-supporting specimen, na specimen that remainsin place by its own structural characteristics both before andduring the fire test.4. Summary of Practice4.1 This practice describes procedures for specimen prepa-ration and mounting when testing caulks and sealants up to andincluding 8 in. (203.
14、2 mm) in width to assess flame spread andsmoke development as surface burning characteristics usingTest Method E84. Caulks and sealants in excess of 8 in. (203.21This practice is under the jurisdiction of ASTM Committee E05 on FireStandards and is the direct responsibility of Subcommittee E05.22 on
15、SurfaceBurning.Current edition approved Aug. 15, 2010. Published September 2010. DOI:10.1520/E269010.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards D
16、ocument Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.mm) are to be tested in full coverage as applied to fiber cementboard as described in Test Method E84.4.2 This practice applies only to caulks an
17、d sealants fromwhich it is possible to develop specimens that are self-supporting by their own structural characteristics.4.3 The caulks and sealants addressed in this practice shallbe tested in accordance with the specimen preparation andmounting procedures described in this practice, using TestMet
18、hod E84.5. Significance and Use5.1 Building products made with caulks and sealants areoften used for applications for which Test Method E84 is usedfor compliance with building, life safety code or mechanicalcode requirements. This practice describes, in detail, specimenmounting procedures for those
19、caulks and sealants which arenot able to be supported by their own structural characteristicsduring the test.5.2 Codes are often silent with regard to testing caulks andsealants for the assessment of flame spread and smoke devel-opment as surface burning characteristics. This practice de-scribes spe
20、cimen preparation and mounting procedures forsuch materials and products.5.3 The material shall be representative of the materialsused in actual field installations.5.4 The limitations for this procedure are those associatedwith Test Method E84.6. Conditioning6.1 Following application to the substra
21、te, the specimensused for testing shall be conditioned as described in the sectionon specimen conditioning in Test Method E84.7. Specimen Preparation and Mounting7.1 Caulks and Sealants:7.1.1 Specimens shall consist of two 24.5 6 0.5 ft. (7.47 60.15 m) long beads or strips of sealant or caulk instal
22、led 8 in.(203.2 mm) on center down the center of the tunnel. The beadsor strips shall be at the maximum width or diameter recom-mended for use by the manufacturer, but shall not be less than38 in. (9.5 mm).7.1.2 The specimens shall be centered so that they align onthe center line of the burner nozzl
23、es. See Fig. 1.7.1.3 The caulk or sealant shall be applied directly tofiber-cement board.7.1.4 Caulks and sealants shall be cured per manufacturersinstructions prior to conditioning as specified in 6.1.8. Testing of Specimens8.1 All testing shall be conducted using the methodologydescribed in Test M
24、ethod E84.9. Operator Safety9.1 The primary concerns for operator safety are associatedwith the fire-test response procedure, Test Method E84, and notwith the specimen preparation procedure. Safety recommenda-tions are included in Test Method E84.10. Report10.1 Report a detailed description of the s
25、pecimen beingtested.10.2 Report a detailed description of the specimen prepara-tion method used, per Section 7.10.3 Report all the information required in the reportingsection of Test Method E84, including observations, graphicalresults and the values of the flame spread index and of thesmoke develo
26、ped index in each test.11. Keywords11.1 caulk; fire; fire test; flame spread; plastic; sealants;smoke developedASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advise
27、d that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either re
28、approved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If y
29、ou feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individua
30、l reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).FIG. 1 Schematic of Specimen PlacementE2690 102
