Thermal expansion putty products
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・Soft and easily workable

・Triggered by the heat of fires, thermal expansion starts at 200 °C. Its volume expands to 5 to 30 times its original size.

・After thermal expansion, it firmly retains its shape to completely close openings.

・It is free of asbestos, halogen and other hazardous components

Thermal expansion rubber products

Thermal expansion of putty material