Refractory BricksSilica and fireclay bricks

Low-Creep Clay Brick

Fireclay brick with good volume stability at medium and high temperature, low high-temperature creep and good corrosion and thermal shock resistance.

Grades / types: DRN-128, DRN-125, DRN-120, DRN-115

Product overview

Low-creep clay brick offers good volume stability at medium and high temperature. It combines a low creep rate under load at high temperature with good corrosion resistance and good thermal shock resistance.

Key characteristics

Good volume stability at medium and high temperature
Low creep under load at high temperature
Good corrosion resistance
Good thermal shock resistance

Technical data

Physical and chemical specification
Property	Unit	DRN-128	DRN-125	DRN-120	DRN-115
Al₂O₃	%	≥45	≥45	≥42	≥40
Fe₂O₃	%	≤1.5	≤1.5	≤1.8	≤1.9
Apparent Porosity	%	≤15	≤20	≤20	≤22
Cold Crushing Strength (CCS)	MPa	≥60	≥45	≥35	≥35
Creep Rate, 0.2 MPa	%	≤0.25 (1280℃×25h)	≤0.8 (1250℃×50h)	≤0.8 (1200℃×50h)	≤0.8 (1150℃×50h)
Permanent Linear Change (PLC)	%	-0.3~0.1 (1400℃×2h)	-0.3~0.1 (1400℃×2h)	-0.4~0.1 (1350℃×2h)	-0.4~0.1 (1300℃×2h)