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Effectively reduce the fire hazard of rigid polyurethane foam

 Last Update: 2020-11-15
 Source: Internet
 Author: User

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A recent study involved the manufacture of fire-resistant coatings on hard polyurethane foam surfaces and the effects of their flame retardant and combustion properties.
surface area of hard polyurethane foam (RPUF) is a key factor in the easy ignition and rapid spread of fire when exposed to heat sources.
the main purpose of the new work is to create a fireproof coating on the RPUF surface and to study the effects of fireproof coating on the flame retardant and combustion properties of the RPUF
in
. Prepare a water-based expansion fireproof coating and brush it on the RPUF surface. The effect of fireproof coating thickness on the flame retardant and combustion properties of RPUF is assessed by using a tapered volume thermometer.
protective coating enhances the flame retardantness of the RPUF
compared to pure RPUF, the thermal release rate of the coating RPUF, total smoke generation and quality loss are greatly reduced. The results show that fireproof coating can improve the flame retardant properties of RPUF, which may be due to fireproof coating as a good physical barrier to inhibit the release of flammable gases during combustion.

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