Rigid refractory thermal insulation ceramic fiber sheet cardboard KVKL
Rigid refractory thermal insulation ceramic fiber sheet cardboard KVKL as per TU 1593-001-13706960-2004.
Cardboard KVKL with the use temperature limit of 1500оС is designed for thermal insulation of reheating and heat-treatment furnaces, other heating units as well as for manufacture of working layer of molten metal transfer systems.
Sheets KVKL are available in the following sizes: (mm): length -- 3000 (+/-5); width -- 1500 (+/-5); thickness, within 6-20. Other sizes may be available upon agreement with a customer.
Physical and chemical properties are given in the table below:
|
Properties |
Rating |
|
Apparent density, kg/m3, within |
800-1600 |
|
Compressive strength, MPa, min. |
30 |
|
Loss on ignition, %, max. |
3 |
|
Weight ratio on ignited basis, % | |
|
Al2O3, min. |
45 |
|
Al2O3+ SiO2 , min. |
95 |
|
Thermalconductivity, W/mК | |
|
600оС, max. |
0,19 |
|
1000оС, max. |
0,26 |
