Reactive hot melt foam

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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521 80, 521115, 521128, 521155, 521159, 525 93, 525 96, 525111, 525127, 525130, 525455, C08J 908

Patent

active

056166257

ABSTRACT:
A process for foaming polyurethane reactive hot melt adhesive comprising the steps of:

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