Low cement

Low cement refractory castables - TRICAST

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Low cement refractory castables (LCC) are produced of a number of aggregates such as calcinated fireclay, andalusite, bauxite, high-alumina, tabular and white-fused aluminas and spinel, microcomponents, defflocculating agents, high alumina cements and other additives on the advanced automated technological lines.

They are prepared for dispatching as dry mixes packed in either paper bags or big bags according to the customer´s wish. They are used for many industrial applications like refractory linings or precast shapes that are to withstand severe conditions. Generally they are installed by vibrating or casting without vibration (self flowing grades).

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TRICAST Chem. composition Bulk density Permanent linear change Cold crushing strength *Heating tempe- rature Grain size Appli- cation tempe- rature
Signature Al2O3(%) Fe2O3(%) CaO (%) 1100C (g*cm³)   (%) 1100C (MPa)   (MPa)   (°C)   (mm)   (0C)
BN40L 40,0 1,8 3,4 2,20 0,0* 12 40* 1300 0 – 5,0 1350
BN50L (BN50L3) 50,0 1,2 2,7 2,30 -0,2* 30 60* 1450 0 – 5,0 (3,0) 1450
BN50LA 50,0 1,2 2,7 2,30 -0,2* 30 60* 1450 0 – 5,0 1450
BN60A 60,0 0,6 1,5 2,70 0,7* 35 70* 1500 0 – 5,0 1550
BN80V 80,0 0,8 2,2 2,70 -1,1* 20 90* 1500 0 – 5,0 1550
BNS80B 80,0 1,0 1,6 2,70 -0,4* 60 70* 1500 0 – 6,0 1600
BNS80BCr 80,0 0,8 1,6 2,90 -0,4* 80 80* 1500 0 – 6,0 1600
BN82B (BN82B3) 82,0 1,5 1,8 2,80 -1,0* 70 100* 1500 0 – 6,0 (3,0) 1600
BN82B8 82,0 1,5 1,8 2,80 -1,0* 70 100* 1500 0 – 8,0 1600
BN82BCr (BN82BCr8) 82,0 1,5 1,6 2,90 -1,0* 70 100* 1500 0 – 6,0 (8,0) 1600
BN87TS 87,0 0,2 1,3 3,00 -0,2* 50 120* 1500 0 – 6,0 1750
BN94HKA 94,0 0,3 1,8 3,10 -0,8* 50 120* 1500 0 – 5,0 1700
BN95K 95,0 0,20 1,4 3,10 -0,8* 50 100* 1500 0 – 5,0 1700
BN98K 98,0 0,10 1,4 3,10 0,0* 30 100* 1500 0 – 5,0 1700
BN95TS 92,0 0,2 1,3 3,00 -0,1* 25 70* 1500 0 – 6,0 1700
BNS95TS (BNS95TS3) 92,0 0,2 1,3 3,00 -0,1* 30 90* 1500 0 – 6,0 (3,0) 1750
BNS95T-SCr 92,0 0,1 1,5 3,00 -0,1* 30 80* 1500 0 – 6,0 1750
BN98T 96,0 0,0 1,5 3,00 0,2* 30 100* 1500 0 – 6,0 1750
BNS98T 96,0 0,0 1,5 3,00 -0,8* 25 80* 1500 0 – 6,0 1750

* – after heating

Identification marking of refractory castables:

a b c d e f
B N S 80 B Cr
  1. B – refractory castable
  2. N – low cement castable
  3. S – self-flowing
  4. 80 – Al2Ocontent in %
  5. L – calcinated fire-clay-based
    A – andalusite-based
    V – high-alumina aggregate-based
    B – bauxite-based
    HK – brown-fused alumina-based
    K – corundum-based
    T – tabular-alumina-based
    TS – tabular-alumina-spinel-based
  6. Cr – with addition of Cr2O3

Other quality features to be agreed between the customer and the supplier.