Components of refractory coatings
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- Time of issue:2021-08-27
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(Summary description)Carrier:Thecarrierisusuallyaliquid,amixtureofwaterorsolvents,inwhichrefractorysolidmaterialsaresuspended. Refractorymaterials:refractorymineralsorcombinationsofmultiplemineralscontainedincoatings,suchasgraphite,zirconandchromite. Suspendingagent,rheologymodifier:Thesecomponentsdeterminehowthecoatingflowsandhangsonthesandmoldorcore. Dispersant:Thedispersantisusedtostabilizetheviscosityofthecoating.Thedispersantchangesthesurfacechemicalpropertiesoftheparticlessothattheparticlesdonotsticktogether. Adhesiveorfilm-formingagent:Theadhesiveisusedtobondtherefractoryparticlestothecoatedsurfaceandtootherparticlesinthecoating. Surfactant:Thethingthatchangesthesurfacetensionofthecarrierissurfactant,whichcanbeusedtoincreasethepermeabilityofthecoatingonthesandcoreandsandmold. Preservatives:Bacteriainpaintcancausesuspensionandviscosityproblems.Preservativescanpreventthegrowthofmicroorganisms. Dyes:Inordertomakethesandcoresformdifferentcontrastsandbeeasytodistinguishduringmodeling,dyesmaybeaddedtothepaint.Thedyesusuallycontainironororganicpigments. (Source:"MODERNCASTING",adaptedfromLiuJincheng'stranslation)
Components of refractory coatings
(Summary description)Carrier:Thecarrierisusuallyaliquid,amixtureofwaterorsolvents,inwhichrefractorysolidmaterialsaresuspended. Refractorymaterials:refractorymineralsorcombinationsofmultiplemineralscontainedincoatings,suchasgraphite,zirconandchromite. Suspendingagent,rheologymodifier:Thesecomponentsdeterminehowthecoatingflowsandhangsonthesandmoldorcore. Dispersant:Thedispersantisusedtostabilizetheviscosityofthecoating.Thedispersantchangesthesurfacechemicalpropertiesoftheparticlessothattheparticlesdonotsticktogether. Adhesiveorfilm-formingagent:Theadhesiveisusedtobondtherefractoryparticlestothecoatedsurfaceandtootherparticlesinthecoating. Surfactant:Thethingthatchangesthesurfacetensionofthecarrierissurfactant,whichcanbeusedtoincreasethepermeabilityofthecoatingonthesandcoreandsandmold. Preservatives:Bacteriainpaintcancausesuspensionandviscosityproblems.Preservativescanpreventthegrowthofmicroorganisms. Dyes:Inordertomakethesandcoresformdifferentcontrastsandbeeasytodistinguishduringmodeling,dyesmaybeaddedtothepaint.Thedyesusuallycontainironororganicpigments. (Source:"MODERNCASTING",adaptedfromLiuJincheng'stranslation)
- Categories:Trade info
- Author:
- Origin:
- Time of issue:2021-08-27
- Views:0
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