Material Characteristics: Alumina trihydrate is a white, odorless, powdery substance. It is primarily used in aluminum metal production, but is also used in epoxy, urethane and polyester resins as a smoke suppressant and flame retardant filler. Common end products include carpet backing and rubber. It is also used as an antacid.
- Finished with high temperature-resistant paint.
- Seals constructed from bronze and graphite fiberglass.
- Beveled blade constructed from 400 Brinell Hardness Number (BHN) abrasion-resistant steel.
- 460-volt, three-phase electric linear actuator delivers the force required to close through a standing column of material, if necessary. In the case of an electrical loss, the actuator is also equipped with a manual handwheel override.