Other heat insulation refractory brick,

Item

Index

A - SERIES

A-1

A-2

A-3

A-4

A-5

A-6

A-7

Temp.( °C)Reheating

900

1,000

1,100

1,200

1,300

1,400

1,500

Shrinkage less than 2.0%

Bulk density

0.50≥

0.50≥

0.50≥

0.55≥

0.60≥

0.70≥

0.75≥

Cold Crushing Strength(kg/cm²)

5≤

5≤

5≤

8≤

8≤

10≤

10≤

Thermal Conductivity

350°C

0.13≥

0.14≥

0.15≥

0.16≥

0.17≥

0.20≥

0.22≥

(kcal/mh°C)

Item

Index

B - SERIES

B-1

B-2

B-3

B-4

B-5

B-6

B-7

Temp.( °C)Reheating

900

1,000

1,100

1,200

1,300

1,400

1,500

Shrinkage less than 2.0%

Bulk density

0.70≥

0.70≥

0.75≥

0.80≥

0.80≥

0.90≥

1.00≥

Cold Crushing Strength(kg/cm²)

25≤

25≤

25≤

25≤

25≤

30≤

30≤

Thermal Conductivity

350°C

0.17≥

0.18≥

0.20≥

0.22≥

0.23≥

0.27≥

0.31≥

(kcal/mh°C)

Item

Index

C - SERIES

C-1

C-2

C-3

Temp.( °C)Reheating

1,300

1,400

1,500

Shrinkage less than 2.0%

Bulk density

1.10≥

1.20≥

1.25≥

Cold Crushing Strength(kg/cm²)

50≤

70≤

100≤

Thermal Conductivity

350°C

0.30≥

0.38≥

0.45≥

(kcal/mh°C)