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Posted by Dave on October 17, 2007, 12:38 am
>
> Tony wrote:
>> Can anyone provide me with the heat range tolerance of Sch 40 PVC? I
>> am considering using it as a temporary fix for my auto cooling system.
>> Could it blow out or bend in such high temperatures?
>>
>> Thanks,
>> Tony D
>
>
> Andy writes:
> Do an experiment...
>
> Heat up a pot of water on the stove to boiling.
>
> Put a length of PVC in it, six inches or so, and let it
> sit in the boiling water for a couple minutes..
>
> Wearing gloves, fish out the PVC and see how flexible it is....
>
> If it is easy to bend, there will definitely be a problem.....
>
> Water in an auto cooling system is very close to boiling...
>
> Andy in Eureka, Texas
>
As a further experiment, put the same PVC in the same EXTERNAL environment
under the hood in the proximity its intended to be placed. Be sure to
purposely be in stop and go, and, stop and park traffic.
Its my contention such a repeated environment may "dry" out the PVC leading
to possible rupture.
Dave
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