ASTM_C_916_-_14.pdf

Designation:C91614Standard Specification forAdhesives for Duct Thermal Insulation1This standard is issued under the fixed designation C916;the number immediately following the designation indicates the year oforiginal adoption or,in the case 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.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 Thisspecificationcoversminimummaterialrequirements,and safety precautions in application,for adhe-sives to bond thermal insulation duct liner on the interiorsurfaces of sheet metal air conditioning ducts;and for coatingexposed edges and joints of duct liner thermal insulation tominimize erosion of insulation fibers by air movement.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 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 and determine the applica-bility of regulatory limitations prior to use.For specificprecautionary statements,see Sections 7 and 9.2.Referenced Documents2.1 ASTM Standards:2C168 Terminology Relating to Thermal InsulationD93 Test Methods for Flash Point by Pensky-MartensClosed Cup TesterD903 Test Method for Peel or Stripping Strength of Adhe-sive BondsD1151 Practice for Effect of Moisture and Temperature onAdhesive BondsE84 Test Method for Surface Burning Characteristics ofBuilding Materials2.2 Other Standards:NFPA No.30,Flammable and Combustible Liquids Code3SMACNA Duct Liner Application Standard4ACGIH Threshold Limit Values53.Terminology3.1 Definitions:3.1.1 threshold limit value(TLV)the concentration inparts of vapor per million parts of air,by volume at 25C and101.3 kPa(1 atm)pressure.This value is an indication of therelative inhalation toxicity hazard of vapors from volatilesolvents used in adhesives.Data on TLV of materials arepublished annually by ACGIH.3.1.2 For definitions of other terms on thermal insulatingmaterials used in this specification,see Terminology C168.3.2 Definitions of Terms Specific to This Standard:3.2.1 flammable vehiclein an adhesive,the liquid portionhaving a flash point as determined by Test Methods D93.3.2.2 nonflammable vehicle in an adhesive,the liquidportion having no flash point as determined by Test MethodsD93.4.Classification of Adhesives4.1 Adhesives supplied under this specification are classi-fied as follows:4.1.1 Type IAn adhesive in which the vehicle is nonflam-mable in the liquid(wet)state and which will pass theedge-burning test of 6.2.4.1.2 Type IIAn adhesive in which the vehicle is nonflam-mable in the liquid(wet)state and which will not pass theedge-burning test of 6.2.1This specification is under the jurisdiction of ASTM Committee C16 onThermal Insulation and is the direct responsibility of Subcommittee C16.33 onInsulation Finishes and Moisture.Current edition approved Sept.1,2014.Published September 2014.Originallyapproved in 1979.Last previous edition approved in 2007 as C916 85(2007).DOI:10.1520/C0916-14.2For 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 Document Summary page onthe ASTM website.3Available from National Fire Protection Association(NFPA),1 BatterymarchPark,Quincy,MA 02169-7471,http:/www.nfpa.org.4Sheet Metal and Air Conditioning Contractors National Assn.,4201 LafayetteCenter Drive,Chantilly,VA 201511219,http:/www.smacna.org.5Available from American Conference of Governmental Industrial Hygienists,Inc.(ACGIH),1330 Kemper Meadow Dr.,Suite 600,Cincinnati,OH 45240,http:/www.acgih.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.1.3 Type IIIAn adhesive in which the vehicle is flam-mable in the liquid(wet)state and which will pass theedge-burning test of 6.2.4.1.4 Type IVAn adhesive in which the vehicle is flam-mable in the liquid(wet)state and which will not pass theedge-burning test of 6.2.5.Ordering Information5.1 Attention of the purchaser is directed to the fact that fourtypes of adhesives are available under this specification.If thepurchaser does not specify which type is desired,the suppliershall furnish Type I only.Other purchaser options are describedin 6.1.4 and 6.1.5.6.Physical Requirements6.1 Requirements Applicable to All Types:6.1.1 Bonding StrengthThe adhesive shall have a bondingstrength of not less than 0.5 lb/in.(9.0 g/mm)of width aftertesting under each condition of room temperature,highhumidity,and heating,as specified in 7.2,7.3,and 7.4.6.1.2 Bond Retention Afte