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Insulating refractories, light weight
Insulating refractories, light weight

Detailed Product Description


  

These series products show the features of superior insulating and energy saving performance, high strength and lower thermal conductivity, and are widely used in metallurgy, building material, petrochemical, ceramic, glass and carbon black industry.

Item

Fireclay

High alumina

High alumina, light weight

Insulating brick

Mullite, low iron content

Hollow ball, alumina

0.81.3

0.61.0

0.81.0

0.81.0

0.81.0

1.21.4

AL2 O3 ,%, ≥

42

48

50

32

60

92

Fe2 O3 ,%, ≤

2.0

1.5

1.5

1.8

0.5

0.8

PLC, ×h, %

±2

1250×3

±1.5

1400×3

±1

1400×3

±2

1150×3

±0.5

1450×3

±0.3

1500×3

BD, g/cm3, ≥

0.81.3

0.61.0

0.81.0

0.81.0

0.81.0

1.21.4

CCS, Mpa, ≥

2.53.0

3.04.0

5.08.0

4.05.0

4.08.0

312

Thermal conductivity(350±25), w/(m.k), ≥

0.350.5

0.350.6

0.250.5

0.6

0.7

1.2

(1000,hot side)

Refractoriness,, ≥

1600

1500

1750

>1790

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