Hello everyone ! I made PU Rexine but its surface become sticky and oily after 24 hours, please help me in this regard,,?

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Nathapong Sukhawipat

Is it aggromerated?

I think that your PU is not stable as well.

If it is, you can study the new system by using another emulsifier or adding more emulsifier amount.

However, you have to calculate and balance the reactive group of your system, too.

Best regard.

Nathapong

Waqas Ahmed .

Thanks Nathapong, can you suggest an additive which help out?