Conventional reactive PUR hot melts that have been used successfully in many different industries and applications for decades contain monomeric diisocyanate [...] appropriate protective equipment. Depending on the concentration, diisocyanates have an irritating effect on the skin, mucous membranes, eyes and respiratory tract [...] products containing diisocyanates. Standard PUR hot melt adhesives generally have a residual monomeric content of approx. two percent by weight and are therefore
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