Use to build new fireplace fire boxes and to replace broken firebrick for firebox repairs. Service temperature - 2200 deg. F. Size: 9" x 4-1/2" x 1-1/4". Meets ASTM C-20, C-16, C-113, C-38, C-133. Packaged 6 bricks per corrugated box.
| Grade | ASTM |
| Width | 9" |
| Length | 4-1/2" |
| Depth | 1-1/4" |
| Temperature Rating | 2200 F |
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