Light Insulation Refractory Castables

Light Weight Insulation Castable(Low Iron)

♦ Refractory Castable Manufature
♦ Bulk density:0.55-1.7g/cm3
♦ Good Insulation resistance
♦ Reliable Quality Control System

♦ Low density
♦ High Strength
♦ Good acid resistance
♦ Good alkali resistance

It is suitable for middle and low temperature furnace linings,ceiling and mobile cover.

  • This is the Light Weight Insulation Castable in the above picture,it was packed in 25kg bags,then 40bags in a ton bag.
  • RONGSHENG is one of the biggest manufactures for refractory castable.Specialized in this area for about 20years.We have advanced production equipment and professional research personnel.Furthermore,we also have complete QCS (Qulity Control System),you can see that in the below photos.TK has the production capacity 800tons per month, primarily export to INDIA,USA, AUSTRALIA, JAPAN, KOREA etc.

Specifications Of Light Insulation Refractory Castables:

Name Light Corundum mullite castable Light Floating Bead Ceramisite Castable Light alkali-resisting castable Super-light castable
NO. CB-10 CB-1-3 QJ-120 QJ-80 CQ-12D CQ-13D CQ-450
Bulk Density(110°Cdried) 1 1.3 1.2 0.8 1.5 1.7 0.45
Temperature of linear change
is no more than 1.5% after
3h in the constant Temp.(°C)
1500 1450 1200 1000 1200 1300 950
Cold Crushing strength(Mpa) 110°C dried 7.5 8 7.8 7.2 35 40 5.5
1000°C×3h 30 30 12.5 12 30 35 6.5
Heat Conductivity W/m.k 0.35 0.35 0.31 0.26 0.26 0.35 0.26
Index of thermal expansion 0.55 0.65 0.75 0.4 0.4 0.4 0.2
1000°C %
Max working temperature°C 1450 1500 1350 1250 1300 1300 980
Al2O3% >70 >65 >30 >30 >35 >40 >35
SiO2% <22 <25 <45 <45 <50 <45 <55

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    Application:Building IndustryElectrical IndustryMetallurgy IndustryNonferrous IndustryPetrochemical IndustrySteel IndustryOthers