Main Data

See also

Refractory castables «BORCAST»

«BORCAST» castables are used for making monolithic lining and manufacture of refractory products.

Technical characteristics

 Rate for grade
  BORCAST
96 W
 96 WTA
 96 S
 93 S
 80 S 80 W 74 ST 70 ST
ТУ 14-194-271-15 

Mass fraction, %:
Al2O3+ MgO, minimum
Al2O3, minimum
CaO, maximum
CaO,withing limits of
Fe2O3, maximum
SiO2,maximum
Cr2O3, minimum


96
-
2,0
-
-
-
-
-



96
-
-
1,0-2,0
1,0
1,0
-
-


96
-
2,0
-
-
-
-
-


93
-
2,0
-
-
-
2,0
-


-
80
-
1,0-2,0
-
-
-
-


-
80
-
1,0-2,0
-
-
-
-


-
74
-
1,0-2,0
1,5
-
-
-


-
70
-
1,0-2,0
-
-
-
-

Compressive strength , N/mm2, minimum
110  °C
1300 °C



-
70



50
80



-
80



-
70



-
60



-
65



-
70

-
45
Apparent density after heat treatment (1300 °С), g/cm3, minimum 3,10 2,90 3,15 2,95 2,70 2,60 2,60 2,65
Thermal shoсk resistance, heat cycles, minimum
 - - - - - - 20 30
Water content when delivered, %, maximum 0,7

Granularity:
remainder on mesh №7, %, maximum
passage through mesh №0063, %, minimum

10
20  

10
20

10
30

10
30

10
30

10
30

10
30

10
30

 

 Rate for grade
  BORCAST
70 WT 70Z20 W 65 S 55 W 55 WT 55 S 50 W 1*
ТУ 14-194-271-15 
  

Mass fraction, %:
Al2O3 + MgO, minimum
Al2O3, minimum
CaO, maximum
CaO, withing limits of
Fe2O3 , maximum
SiO2, maximum
Cr2O3, minimum
ZrO2, minimum

-
70

-
1,0-2,0
-
-
-

-

-
70
-
1,0-2,0
1,0
-
-
20

-
65
-
1,0-2,0
-
-
-
-

-
55
-
1,0-2,0
-
-
-
-

-
55
2,0
-
2,0
-
-
-

-
55
-
1,0-2,0
1,5
-
-
-

-
50
-
1,0-2,0
-
-
-
-

95
-
-
1-2
1,0
-
-
-

Compressive strength , N/mm2, minimum
110 °C
1300 °C

-
40

-
70

-
70

-
50

-
40

-
65

-
45

-
60
Apparent density after heat treatment (1300 °С), g/cm3, minimum 2,55 3,30 2,45 2,25 2,30 2,20  2,25 -
Thermal shoсk resistance, heat cycles, minimum 30 35 - - 50 -  - -
Water content when delivered, %, maximum 0,7
Granularity, %:  

remainder on mesh №7, %, maximum 

10

10

10

10

10

10

10

10

passage through mesh №0063, %, minimum

30

20

30

30

30

30

30

30


* ТУ 14-194-263-03

 

 Rate for grade
  BORCAST
96 WV 96 WTP
ТУ 14-194-317-15 rev.1 

Mass fraction for baked substance, %:
Al2O3, minimum
Al2O3 + MgO, minimum
CaO, withing limits of
CaO, maximum
Fe2O3 , maximum
SiO2, maximum

96

-
1,0-2,0
-
0,5
-

-

96
-
2,0
1,0
1,0

Compressive strength , N/mm2, minimum
1300 °C
1500 °C



70
-



-
100
Apparent density after heat treatment (1500 °С), g/cm3, maximum - 3,10
Open porosity after heat treatment (1300 °С), %, maximum 19 - 
Residual variations of dimensions at heating, %, maximum
1500 °С
1600 °С

-
0,7

0,8
-
Water content when delivered, %, maximum 0,7
Granularity, %:  

passage through mesh №6, %, maximum 

10

10

passage through mesh №0063, %, minimum

20

20