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JUCOS Refractories > Shaped Refractories > Japan STD Insulation brick
Product Details

Insulating Firebricks are 80% porous, their weight is equal to as little as 25-50% of that of normal refractory bricks. These pores are the magic of insulation. This porous nature is the key to good insulation. The pores prevent heat loss, making this material profitable by lessening fuel costs, construction costs and reducing the amount of time spent in the high temp furnace.


Physical And Chemical Indicators For Japan STD Insulation brick


Classification

Group A

Group B

Group C

                    Brand                    Properties

A-1

 A-2

 A-3

 A-4

 A-5

 A-6

 A-7

 B-1

 B-2

 B-3

 B-4

 B-5

 B-6

 B-7

 C-1

 C-2

 C-3

Temp.(℃) Reheating
      Shrinkage less than 2.0%

900

1,000

1,100

1,200

1,300

1,400

1,500

900

1,000

1,100

1,200

1,300

1,400

1,500

1,300

1,400

1,500

Bulk Density (g/cm3)

0.50≥

0.50≥

0.50≥

0.55≥

0.66≥

0.70≥

0.75≥

0.70≥

0.70≥

0.75≥

0.80≥

0.80≥

0.90≥

1.00≥

1.10≥

1.20≥

1.25≥

Cold Crushing Strength
      (kg/cm2)

5≤

5≤

5≤

8≤

8≤

10≤

10≤

25≤

25≤

25≤

25≤

25≤

30≤

30≤

50≤

70≤

100≤

Thermal Conductivity
      (㎉/m,hr,℃)at 350℃

0.13≥

0.14≥

0.15≥

0.16≥

0.17≥

0.20≥

0.22≥

0.17≥

0.18≥

0.20≥

0.22≥

0.23≥

0.27≥

0.31≥

0.30≥

0.38≥

0.45≥

Main Applications

Mainly for insulating with light-weight     
properties: Low thermal conductivity and low bulk density

     A1-A4 : Various furnace back up lining.
     A5-A7 : Barious furnace inside lining
                 and back up lining

Higher compression strength than     
group A:Low Thermal conductivity and low bulk density.

     B1-B4 : Various furnace back up lining
     B5-B7 : Barious furnace expose and
                 back up lining
Higher compression strength than group A, B characterized high under load bearing capacity rather than other insulating materials
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