... from 900C to 1650C in 6-grade, Mullite Insulating Fire BrickThis product family consists of four groups, A series, ... thermal and physical requirements. Product forms include standard shape brick, special shape brick, Mortar, and accessory products.Features: 1) Low iron ... ) Dimensions: 230 x 114 x 65mm.Typical applications:1) Refractory back-up installation.2) Direct exposure to heat as furnace ...