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Natural Science Forum / Physics / Acoustics / October 2005thermal and humid durability for Polyurethan foam
for polyurethan foam... I want to use it at the environment of 60 and 50~70% humidity. At this environment, polyurethan foam can be durable for long time? Polyurethane foam comes in polyester and polyether varieties. One is much more durable, believe it is the polyether. If fire safety is a concern in the application, consider melamine foam instead. for polyurethan foam... I want to use it at the environment of 60? and 50~70% humidity. At this environment, polyurethan foam can be durable for long time? > for polyurethan foam... > > I want to use it at the environment of 60℃ and 50~70% humidity. > > At this environment, polyurethan foam can be durable for long time? The chemical stability is excellent. 60 degrees fahrenheit is very tame. One estimate I heard was easily 15 to 20 years. It will not yellow immediately, but can pick up fumes and stain like that over the years as will any white open cell foam. >> for polyurethan foam... >> [quoted text clipped - 6 lines] > immediately, but can pick up fumes and stain like that over the years as > will any white open cell foam. Whoops.. sorry, the above applies to melamine foam. I defer to Noral Stewart's comment. Angelo Campanella |
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