Designation:C288−87(Reapproved2014)StandardTestMethodforDisintegrationofRefractoriesinanAtmosphereofCarbonMonoxide1ThisstandardisissuedunderthefixeddesignationC288;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthecomparativebehaviorofrefractoriesunderthedisintegratingactionofcarbonmonoxi-de(CO).ThetestmethodisanacceleratedexposuretoCOtodeterminepotentialmaterialbehaviorinarelativelyshorttime.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.SignificanceandUse2.1ThistestmethodisusedtodeterminetherelativeresistanceofvariousrefractoriestodisintegrationcausedbyexposuretoaCOatmosphere.TheresultsobtainedbythismethodcanbeusedtoselectrefractoriesthatareresistanttoCOdisintegration.2.2Thistestmethodissuitableforresearchanddevelop-mentandforestablishingCOdisintegrationcriteriaforspeci-ficationacceptance.2.3ThedisintegrationoftestspecimensisacceleratedbyprovidingahigherconcentrationofCOthananticipatedinmostserviceenvironments.Theeffectsonthetestspecimensmaybedifferentthanthosefoundforrefractoriesinactualserviceconditions.3.Apparatus3.1HeatedChamber—Thechambershallbegastightandofasuitablesize,madeofstainlesssteel,brass,aluminum,orunoxidizedMonelmetal.Asuggestedsizeis18in.(460mm)indiameterand36in.(914mm)long.Theunitmaybeheatedbyresistancewireorothermeans,providedthatatthetemperatureofoperationthedifferenceintemperaturebetweenanytwopointswithinthechambershallnotbegreat...
