ASTM_C_196_-_00_2016.pdf

Designation:C19600(Reapproved 2016)Standard Specification forExpanded or Exfoliated Vermiculite Thermal InsulatingCement1This standard is issued under the fixed designation C196;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 This specification covers expanded or exfoliated ver-miculite thermal insulating material in the form of dry cementor plaster,intended to be mixed with a suitable proportion ofwater,applied as a plastic mass,and dried in place,for use asinsulation on surfaces operating at temperatures between100F(38C)and 1800F(982C).The cement shall not beused where it will be exposed to combustion conditions,suchas the hot face lining of a furnace.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 The following safety hazards caveat pertains only to thetest 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.1.4 When the installation or use of thermal insulationmaterials,accessories and systems,may pose safety or healthproblems,the manufacturer shall provide the user with appro-priate current information regarding any known problemsassociated with the recommended use of the companysproducts.The manufacturer shall also recommend protectivemeasures to be employed in the safe utilization of saidproducts.2.Referenced Documents2.1 ASTM Standards:2C163 Practice for Mixing Thermal Insulating CementSamplesC166 Test Method for Covering Capacity and VolumeChange Upon Drying of Thermal Insulating CementC168 Terminology Relating to Thermal InsulationC177 Test Method for Steady-State Heat Flux Measure-ments and Thermal Transmission Properties by Means ofthe Guarded-Hot-Plate ApparatusC353 Test Method forAdhesion of Dried Thermal Insulatingor Finishing Cement(Withdrawn 2002)3C354 Test Method for Compressive Strength of ThermalInsulating or Finishing Cement(Withdrawn 2002)3C356 Test Method for Linear Shrinkage of Preformed High-Temperature Thermal Insulation Subjected to SoakingHeatC390 Practice for Sampling and Acceptance of ThermalInsulation LotsC405 Practice for Estimating Consistency of Wet-MixedThermal Insulating Cement(Withdrawn 2006)3C518 Test Method for Steady-State Thermal TransmissionProperties by Means of the Heat Flow Meter ApparatusC1058 Practice for Selecting Temperatures for Evaluatingand Reporting Thermal Properties of Thermal Insulation3.Terminology3.1 Definitions:3.2 Terminology C168 shall be considered as applying tothe terms used in this specification.4.Materials and Manufacture4.1 The cement shall be composed predominantly of ex-panded or exfoliated vermiculite,with a suitable proportion ofheat-resistant binder.Asbestos shall not be used as an ingredi-ent or component part of the product.5.Other Requirements5.1 The cement shall conform to the requirements given inTable 1.Conformance shall be based on results of tests on1This specification is under the jurisdiction of ASTM Committee C16 onThermal Insulation and is the direct responsibility of Subcommittee C16.20 onHomogeneous Inorganic Thermal Insulations.Current edition approved March 1,2016.Published March 2016.Originallyapproved in 1944.Last previous edition approved in 2010 as C196 00(2010).DOI:10.1520/C0196-00R16.2For 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.3The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 specimens first mixed with water,according to the ratio forproper troweling consistency determined in accordance withSection 10.6.Qualification Requirements6.1 The following requirements are employed for purposesof initial material or product qualification:6.1.1 Consistency,6.1.2 Compressive strength,6.1.3 Linear shrinkage,6.1.4 Apparent thermal conductivity,and6.1.5 Dry adhesion to steel.7.Sampling7.1 The cement shall be sampled,for the purpose of testsusing one of the following procedures.7.1.1 Inspection Requirements:7.1.1.1 Use Practice C390.Each bag shall represent a unit.7.1.1.2 In a single sampling plan by attributes the accept-ability of a