ASTM_C_1115_-_06_2011.pdf

Designation:C111506(Reapproved 2011)Standard Specification forDense Elastomeric Silicone Rubber Gaskets andAccessories1This standard is issued under the fixed designation C1115;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.1.Scope1.1 This specification describes products composed of denseelastomeric silicone rubber that are fabricated into gaskets andaccessories(such as setting blocks,spacers,and shims)for usein sealing and glazing applications in building construction.These products are used to seal or serve as components ofcompression sealing systems between mechanically restrainedsurfaces in building construction and also as components instructural silicone sealant glazing systems.1.2 The following precautionary statement pertains only tothe test method portion,Section 10,of this specification.Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.1.3 Test Method C1166,as referenced in this specification,should be used to measure and describe the properties ofmaterials,products,or assemblies in response to heat and flameunder controlled laboratory conditions and should not be usedto describe or appraise the fire hazard or fire risk of materials,products,or assemblies under actual fire conditions.However,results of this test may be used as elements of a fire riskassessment that takes into account all of the factors which arepertinent to an assessment of the fire hazard of a particular enduse.1.4 The values stated in metric(SI)units are to be regardedas the standard.The inch-pound values given in parentheses areprovided for information purposes only.1.5 The committee with jurisdiction over this standard is notaware of any comparable standards published by other orga-nizations.2.Referenced Documents2.1 ASTM Standards:2C717 Terminology of Building Seals and SealantsC1087 Test Method for Determining Compatibility ofLiquid-Applied Sealants with Accessories Used in Struc-tural Glazing SystemsC1166 Test Method for Flame Propagation of Dense andCellular Elastomeric Gaskets and AccessoriesD395 Test Methods for Rubber PropertyCompression SetD412 Test Methods for Vulcanized Rubber and Thermoplas-tic ElastomersTensionD573 Test Method for RubberDeterioration in an AirOvenD624 Test Method for Tear Strength of Conventional Vul-canized Rubber and Thermoplastic ElastomersD792 Test Methods for Density and Specific Gravity(Rela-tive Density)of Plastics by DisplacementD925 Test Methods for Rubber PropertyStaining of Sur-faces(Contact,Migration,and Diffusion)D1149 Test Methods for Rubber DeteriorationCracking inan Ozone Controlled EnvironmentD1566 Terminology Relating to RubberD2137 Test Methods for Rubber PropertyBrittleness Pointof Flexible Polymers and Coated FabricsD2240 Test Method for Rubber PropertyDurometer Hard-nessD3182 Practice for RubberMaterials,Equipment,and Pro-cedures for Mixing Standard Compounds and PreparingStandard Vulcanized Sheets1This specification is under the jurisdiction of ASTM Committee C24 onBuilding Seals and Sealants and is the direct responsibility of Subcommittee C24.73on Compression Seal and Lock Strip Gaskets.Current edition approved June 1,2011.Published August 2011.Originallyapproved in 1991.Last previous edition approved in 2006 as C1115 06.DOI:10.1520/C1115-06R11.2For 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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 2.2 Rubber Manufacturers Association(RMA)Standard:Rubber Handbook,Fourth Ed.,December 198432.3 Other Documents:Uniform Freight Classification Rules4National Motor Freight Classification Rules53.Terminology3.1 Refer to Terminology C717 for definitions of the fol-lowing terms used in this specification:compound,compres-sion gasket,edge spacer,elastomer,elastomeric,expansiongasket,gasket,hardness,seal,setting block,shim spacer,andspacer.3.2 Refer to Terminology D1566 for definitions of thefollowing terms used in this specification:compression set,ultimate elongation,tear strength,tensile strength,and poly-mer.4.Classification4.1 The products described by this specification are classi-fied by type,hardness,class,and surface.4.2 Type:4.2.1 Type T,Tear ResistantIn general these products havea higher level of tear resistance,midrange heat agingcharacteristics,midrange compression set resistance,and 30 to70 durometer hardness.This type is a