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Kevin Yeo
13-07-2006, 03:46 AM
Dear all,

Anybody has a copy of BS 476 Part 6 & 7 on Fire Propagation and Surface spread of flame?

I understand PUR by itself is flammable, Class B3 tested under DIN 4102. However, with proper metal facing, it can retard flame propagation during fire.

Rgds,
Kevin