Thermally insulating lightweight concrete mixes by «BORTHERM»

BORTHERM is used for monolithic heat-insulating lining during the furnace construction and repair.

Dry mix of series: BORTHERM - 0,8, 1,0, 1,3, 1,4
Binder type: hydraulic
Application technique: vibroforming
Basic raw material: porous fillers

Technical characteristics

 Rate for grades
  BORTHERM-0,8 BORTHERM-1,0 BORTHERM-1,3 BORTHERM-1,4
Spec. 14-194-282-17 

Mass fraction, %:

Al2O3, minimum

CaO, maximum

 

22

10

 

30

8

Recommended application temperature,°С, maximum 1000 1050 1100 1300
Apparent density, g/cm3, не maximum 0,8 1,0 1,3 1,4
Water content when delivered, %, maximum 0,7

Thermal conductivity, [W/mK], at average temperature, maximum:

(350±25)°C

(650±25)°C

 

0,4

0,5

 

0,5

0,6

 

0,7

0,8

 

0,6

0,7

Compressive strength, N/mm2, minimum 2,0 2,5 4,0 10

Granularity, %:

remainder on mesh

№5, maximum

№3, maximum

 

 

10

-

 

 

-

10

 

 

-

10

 

 

-

10