difference between urethane and poly

hatch2000

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what's the difference between urethane and polyurethane mounts? which one is better? thanks
 

vejita1283

import mechanic and racer
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polyurethane is more weather "proof"
 


Genuine Rolla

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urethane if not sealed correctly from the elements can soak up water and eventually give out. someone correct me if i'm wrong.
 

hatch2000

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Genuine Rolla said:
urethane if not sealed correctly from the elements can soak up water and eventually give out. someone correct me if i'm wrong.
i'm just wondering, if polyurethane is better then why would hasport make their mounts out of urethane? but i guess the sealed correctly is the major factor.
 




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