language

Low porosity clay brick

With low-aluminum mullite as the main raw material, adding sillimanite, andalusite and other additives, according to the special process of low-pore clay bricks, with dense structure, low porosity, strong anti-erosion ability, high load softening temperature, high temperature volume stability and other characteristics, suitable for the bottom of the glass furnace heat storage chamber.

Key words:

Classification:

Refractory materials for the glass industry

Product inquiry

Related Products

Product Introduction

Description: low aluminum mullite as the main raw material, adding sillimanite, andalusite and other additives, according to the special process of low porosity clay brick, with compact structure, low porosity, strong anti erosion ability, high load softening temperature, high temperature volume stability and other characteristics, suitable for the bottom of the glass furnace heat storage chamber.

Project	DN-11	DN-14	DN-17
Al₂O₃ %	≥ 47.0	≥ 45.0	≥ 42.0
Fe₂O₃ %	≤ 1.2	≤1.5	≤ 1.8
Percent porosity A.P%	≤ 11	≤ 14	≤ 17
Bulk density B.D g/cm³	≥ 2.40	≥ 2.34	≥ 2.26
Normal temperature compressive strength C.C.S MPa	≥ 80	≥ 65	≥50
Load softening temperature R.U.L T_0.6℃	≥ 1520	≥ 1470	≥ 1430
Change of permanent heating line (1400 ℃× 2h)%	0.1～-0.1	0.1～-0.2	0.1～-0.2