How to tell whether a caster is PU or PVC? | Flywheel Caster

PU and PVC are so hard to tell the difference when they come to casters,in normal circumstances,they look the same,touch the same,and they even smell the same.

But,

PU tread is more environment friendly than PVC;

PU tread is more durable than PVC;

PU tread has better shock resistance than PVC;

PU tread is quieter than PVC.

Average PU is twice the price of average PVC,on this basis,high quality PU can double or even triple it.

There is an easy and effective way to tell their difference,use fire to burn them.

When PVC is burned,it smokes black and smells stink;

When PU is burned,it smokes white and smells nothing.

This works every time,try if you got confuse next time!

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