Calcium Silicate 800, 1000 & 1100 - IMS Insulation

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Calcium Silicate 800, 1000 & 1100

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Calcium Silicate 800, 1000 & 1100

Calcium Silicate is a versatile lightweight insulation product that comes in sheet form and can be moulded and machined into bespoke shapes and tubes.

It comes in three grades:
Calsil 800 – a low density product in thickness 20mm to 150mm. Available in slab, moulded section or machined form for 800°C use.

Calsil 1000 – a tougher, higher temperature product for efficient fibre-free back-up insulation

Calsil 1100 – introduced for higher temperature furnace use in the aluminium industry, Calsil 1100 combines the efficiency, thermal ability and health safe issues of calcium silicate for replacing fibrous back-up insulation.


– Formulated without asbestos or ceramic fibres
– Exceeds BS3958 Pt 2 1982 for insulation materials
– Lightweight
– Low thermal conductivity @ 0.054W/mk
– Up to 1100C operating temperature


– Back-up insulation for furnaces, reduction cells (pot lines)
– Pipe supports
– Heat shields
– Thermal breaks
– Pipe sections
– Insulating boxing



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