SpiralCast GHD is a low iron, mullite based, low cement castable formulated for use in applications where high thermal cycling is common. The synthetic high fired mullite grain composition will resist many chemical intrusions. This product is a medium density castable that functions exceptionally well as GH doors.

Max. Use Temperature: 3000°F

Material Required: 117-121 pcf

Water Required: 7.5% (4 pts/55 lbs)

Cold Crushing Strength (after 1500°F): 6,000 - 10,000 psi

Price: $130 per bag

Sold in 55 lb. bags. Shipping cost will depend on how many bags are ordered and whether shipped UPS for small (one bag) orders or freight for larger orders requiring a pallet.