Quote:
Originally Posted by DizzyEdge
I believe this is the case. Some actually react to high heat and swell into an insulating form.
|
Intumescent paint does. It is used where a painted finish is desired, usually for architectural reasons. Atriums, etc. Fire spray material used in steel construction typically consists of a bonding agent such as gypsum, a fiber such as fiberglass, asbestos, cellulose, etc,-- both of which have insulating aspects--and a fire retardant chemical. Nasty stuff. Structural steel stops being a wonderful structural material above 540 degrees.