H91 Cement Board
Designed for use at high temperature, while retaining strength and integrity over years of mechanical and thermal abuse. The material is rated for up to 1292º F and has a density of 120 pcf.
H91 Cement Board has been specially developed to provide outstanding service in demanding thermal applications, where a quality, high strength, machinable engineering board is required. H91 Cement Board is used in demanding heat and electrical insulation applications in induction furnaces, billet heater boxes, oven cladding, cathode support pads, furnaces and smelters. It is the industry standard for high temperature insulation boards and structural insulation boards.
H91 Cement Board Advantages:
High Strength
High Machinability
Excellent Thermal Resistance
Excellent Electrical Resistance
High Quality Products
High Toughness
Dimensionally Stable
Non Combustible
Chemically Inert
Mechanical Strength at Temperature
Resistant to most molten metals
H91 Cement Board Product Downloads
H91 Cement Board Physical Properties:
Size - 37" X 49" sheet in thicknesses from 1/4" to 3"
Density - 120 pcf
Operating Temp - 1292º F/700º C
Compressive Strength - 16,675 psi ambient 15,310 psi (24 hrs @ 700º F) 14,020 psi (24 hrs @ 1000º F)
Electrical Strength - 1.83 Kv/mm in air @ 200° F
Thermal Conductivity (btu in/hr ft² ºF) - 3.40