HBS fireclay brick

Al₂O₃ %

≥42

≥40

≥42

Fe₂O₃%

≤1.6

Refractoriness ℃

≥1750

≥1730

Apparent porosity %

≤24

≤24

≤16

Bulk density g/cm³

2.0~2.2

2.0~2.2

≥2.30

Cold crushing strength / MPa

≥29.4

≥24.5

≥60（50）

Refractoriness under load ℃

≥1400

≥1350

T₂≥1480

Permanent liner change %

1400℃×2h

0 ~ -0.4

1350℃×2h

0 ~ -0.5

1450℃×4h

0 ~ -0.2

Used Part

Stove wall

Burner