Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From reactant having at least one -n=c=x group as well as...
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Blowing agent combination comprising azodicarbonamide, zinc oxid
Blowing agents based on urea dicarboxylic acid anhydride
Blowing agents based on urea dicarboxylic acid anhydride
Method for producing silicone foams
Moulding compositions of vinyl chloride polymers, certain copoly
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