JIS A Series are lightweight insulating firebricks featuring high thermal insulation properties.
A1 : Low-temperature furnace, dryer furnace inner lining (hot face) and various kilns back-up lining (cold face)
A3〜A7 : Various kiln furnaces inner lining (hot face) and back-up lining (cold face)
Product Name | A1 | A3 | A4 | A5 | A6 | A7 | |
JIS Classification | 900-0.50-0.23 | 1100-0.50-0.29 | 1200-0.55-0.32 | 1300-0.60-0.34 | 1400-0.70-0.36 | 1500-0.75-0.38 | |
Standard | Temperature (°C) at which Permanent
Linear Change does not exceed ±2% |
900 | 1100 | 1200 | 1300 | 1400 | 1500 |
Bulk Density | 0.50≧ | 0.50≧ | 0.55≧ | 0.60≧ | 0.70≧ | 0.75≧ | |
Thermal Conductivity at 600°C
(W/(m・K) JIS R 2616 |
0.23≧ | 0.29≧ | 0.32≧ | 0.34≧ | 0.36≧ | 0.38≧ | |
Test Results | Bulk Density | 0.48 | 0.48 | 0.52 | 0.55 | 0.65 | 0.72 |
Cold Crushing Strength (MPa)
JIS R 2615 |
1.1 | 1.5 | 1.6 | 2.0 | 2.5 | 3.0 | |
Thermal Conductivity at 600°C
(W/(m・K)) JIS R 2616 |
0.20 | 0.26 | 0.28 | 0.29 | 0.33 | 0.37 | |
Permanent Linear Change (%)
at ( )°C×12h JIS R 2613:1998 |
-0.40 (900) |
0.00 (1100) |
-0.03 (1200) |
-0.35 (1300) |
-0.39 (1400) |
-0.86 (1500) |
|
Data shown are typical values obtained in accordance with accepted test methods.
They are provided for your reference only and are subject to change without notice.
Branch Office: Overseas Department,
Tokyo, Osaka, Nagoya, Kyushu