Insulation monoblocs

Insulation monoblocs are made of ceramic fibre mats and are used for heat insulation against temperatures up to 1,430°C such as lids for ladle heating, reheating furnaces and other industrial applications.

Chemical composition

MZ-2

SiO2                    max. 54%
Al2O3+ZrO2        min. 47%
NaO+K2O           max. 0.5%
Fe2O3                  max. 0.3%

MZ-3

SiO2                       max. 46%
Al2O3+ZrO2           min. 52%
NaO+K2O              max. 0.4%
Fe2O3                     max. 0.2%

Properties

MZ-2

classification temperature 1,260°C
volume weight 190 kg/m³ to 220 kg/m³

MZ-3

classification temperature 1,430°C
volume weight 190 kg/m³ to 220 kg/m³

A complete anchoring system can be supplied together with the monoblocs, i.e. needle anchors + angles, on customer demand also special fireproof bonding materials, adhesives and hardeners needed for setting up refractory fibre linings.