What is HYSIL?

HYSIL is the ideal thermal insulation solution for a wide range of verticals, especially in energy-intensive industries.

Made with calcium silicate, the HYSIL blocks can be used to insulate high-temperature applications like ducts, boilers, steam pipe lines and furnaces among many others. Their high load-bearing capacity makes them ideal for heavy-duty equipment across industries. In addition, HYSIL blocks are literally maintenance-free and have a life of more than 20 years.

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Advantages of HYSIL


Tested and approved by reputed agencies viz Lloyds Register, SGS, Kaiser Aluminium (USA), and CERAM Testing (Denmark)


Assured substantial energy saving through reduction in thermal losses

fire resistant

No binders to burn out; no loss of insulation integrity

long life

Long life of up to 20 years

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Excellent resistance to mechanical vibrations

fire resistant

Superior thermal performance observed between 250 °C to 1100 °C


Low drying shrinkage and good thermal stability

fire resistant

No harmful gas emissions or smoke during the first combustion


Completely load-bearing


Free from asbestos fibers, amiantus or other harmful materials


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