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Thermocol (Expanded Polystyrene)

Expanded Polystyrene (Thermocol) offers a non hydroscopic, odorless, rigid, closed cell Expanded Polystyrene containing 98% by its volume still air entrapped in its cell and is the major reason for its excellent insulation properties. Because of its closed cell structure, it offers a remarkable resistance to unwanted heat, chill and moisture to penetrate through it and also gives a rigid, structurally strong product to withstand various kind of loads and vibrations. It does not decay or age with the time and gives permanent life long insulation without regular maintenance. Perfect, even and plain surface makes its suitable to opt it for false roofing and easy to install, carry and plastering on it.

Available in rectangular slabs and semi-spherical pipe sections in all range of sizes and thickness to suit every individual's requirement.

Typical Properties :

Density Range
15-30 Kg/m
Thermal conductivity at 10 mean temperature
0.028-0.031 Kcalm/hr. m c
Compressive Strength
0.8-1.6 Kg/cm
Cross breaking Strength
1.4-2.0 Kg/cm
Tensile Strength
3-6 kg/cm
Application Range
-200 +80°C
Water absorption by % Volume for 7 days in water
Self ignition point
Melting Range
100 - 200 °C

It is fully resistant to all concentrated acid expect (HNO3 and H2SO4) but it is non resistant to aliphatic, hydrocarbons, Ketones and chlorinated hydrocarbons and is affected by ultraviolet rays. It turns yellow and ultimate become brittle if left permanently exposed to sun.

Applications & Characteristics

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