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kifuyu@gmail.com
science forum beginner
Joined: 16 May 2005
Posts: 11
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 Posted: Mon Oct 10, 2005 6:01 am Post subject:
thermal and humid durability for Polyurethan foam
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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? |
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Noral Stewart
science forum addict
Joined: 23 May 2005
Posts: 77
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| Posted: Mon Oct 10, 2005 3:04 pm Post subject:
Re: thermal and humid durability for Polyurethan foam
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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.
<kifuyu@gmail.com> wrote in message
news:1128931306.811997.137480@g49g2000cwa.googlegroups.com...
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? |
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Angelo Campanella
science forum Guru Wannabe
Joined: 08 May 2005
Posts: 226
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| Posted: Mon Oct 10, 2005 10:56 pm Post subject:
Re: thermal and humid durability for Polyurethan foam
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kifuyu@gmail.com wrote:
| Quote: | 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. |
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Angelo Campanella
science forum Guru Wannabe
Joined: 08 May 2005
Posts: 226
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| Posted: Mon Oct 10, 2005 11:00 pm Post subject:
Re: thermal and humid durability for Polyurethan foam
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Angelo Campanella wrote:
| Quote: | kifuyu@gmail.com wrote:
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.
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Whoops.. sorry, the above applies to melamine foam.
I defer to Noral Stewart's comment.
Angelo Campanella |
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