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Low porosity fireclay bricks

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Low porosity fireclay bricks, Low apparent porosity, Strong erosion resistance, High refractoriness under load
Description

Low porosity fireclay bricks for glass furnace
Features: low apparent porosity, strong erosion resistance, high refractoriness under load. It is widely used in various industrial furnaces.

Item:

DN-10

DN-12

DN-15

DN18

Al2O3 % ≥

45

45

42

42

Fe2O3 % ≤

1.00

1.20

1.65

1.80

Apparent porosity % ≤

10

12

15

18

Bulk density g/cm3 ≥

2.40

2.37

2.30

2.25

Cold crushing strength, Mpa ≥

70

65

60

48

Refractoriness,≥

1750

1750

1750

1750

0.2Mpa refractoriness under load T0.6≥

1500

1470

1450

1400

Permanent linear change %, 1400×2h

0.10.5

0.10.5

0.20

0.40
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