Plicast Al-Shield GHC 7 KK
Service Temperature Limit
Aluminum Contact – 2000°F
Non-Contact – 3000°F
Installation Method
Casting or Pumping
Shelf Life
6 months
Industries
Aluminum
Best Applications
Field cast and precast shape applications for aluminum melting and holding furnaces including:
- Lower walls
- Division walls
- Sills
- Jambs
Product Information
Plicast® Al-Shield™ GHC 7 KK is a 70% alumina, low cement castable, with a mullite aggregate and high mullite matrix. This product possess excellent aluminum resistance and improved thermal cycling performance due to the incorporation of a high temperature aluminum resistant additive system. Originally developed as a greater crack resistant material for division walls in demanding recycling furnace applications, it has proven to be a great cost effective upgrade for many furnace applications needing stronger properties than Plicast Al-Tuff 3100 Special. Plicast Al-Shield GHC 7 KK product enhancements and advantages include:
- Good aluminum reaction/wetting resistance to 2000°F
- Relatively high, constant hot MOR from 1500°F to 2000°F as compared to other aluminum contact castables
- Good abrasion resistance
- Improved thermal cycling and crack resistance
Plicast Al-Shield GHC 7 KK has excellent installation characteristics and may be cast, vibration cast or pumped – there is also a shotcrete version available.