TOMBO™ No. 4720 LUMIBOARD

Board-form heat-insulation material for transfer, casting, and holding

TOMBO™ No. 4720

LUMIBOARD

LUMIBOARD is an asbestos-free, xonotlite-based calcium silicate board with excellent heat resistance. It has excellent machinability and is best suited as a transfer, casting, and holding type thermal insulation material for headers for troughs, spouts, floats, hot top rings in direct contact with molten aluminum alloys and holding furnaces for die casting.
There are two types of this product: L-14Z, which is the standard version, and L-100, which contains special reinforced fibers. This product is used as a material for casting parts such as hot top rings.

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Forte

It has low thermal conductivity and low thermal capacity.
It contains no asbestos.
It offers excellent cutting properties.
It is easy to remove adhered materials.

Application

L-14Z
Gutter, holding furnace baths, floats, spouts, etc.
L-100
Hot top ring headers, floats, spouts, etc.

Others