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Replacement Insulation & Designs Up to 1800°C

Rath Incorporated offers a complete line of vacuum-formed insulating boards and cylinders for laboratory furnaces and kilns for applications up to 1800°C. Whether you have a front or bottom loading batch kiln, a vertical or horizontal tube furnace, electrically heated or gas-fired, oxidizing or reducing environment, Rath Incorporated has the materials, design, and services to help you reline your equipment.

Vacuum Formed Insulation

KVS 124 - KVS 184

• Available in boards, cylinders and shapes for use up to 1800°C
• Boards – ½" to 2" standard – 18" x 24" and 24" x 36"; densities 18 to 45 pcf
• Cylinders – whole and half shells up to 36" diameter

KVR 164

• > 98% alumina for high chemical attack and reducing atmospheres
• Available in boards, cylinders and shapes for use up to 1600°C

CNC Fabricated Components

ALTRA® Composite Roof System (ACS)

• The design eliminates roof sagging and cracking for large chamber kilns and furnaces for temperatures up to 1800°C.

Butcher-Loc Composite Doors and Sills

• The design minimizes the effects of thermal shock for front-loading chamber kilns and furnaces for temperatures up to 1800°C.

Custom Machined Parts

• Element holders for MoSi2 and SiC heating elements
• Flue liners

Custom Furnace and Kiln Relines

Insulation Reline Kits

• Reversed engineered to fit existing furnace shell
• Reline services on-site or in our facility

Engineering Services

• Heat flow analysis
• Application Design
• Auto-CAD drawings