Building Materials
Ultimate strength to cement is provided by

Tri-calcium silicate
Tri-calcium aluminate
Di-calcium silicate
Tetra calcium alumino ferrite

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Building Materials
The thermosetting plastic

All listed here
Chars at 343°C
At 127°C to 177°C permanently set and further application of heat does not soften it
Becomes rigid when moulded at suitable pressure and temperature

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