| http://www.w3.org/ns/prov#value | - trimethylolpropane, 1,2,6-hexanetriol, sorbitol, pentaerythritol, polyether polyols, polyester polyols and compounds of the same family, with polyisocyanates, such as 2,4-tolylene diisocyanate, 2,6-tolylene diisocyanate, 4,4???-diphenylmethane diisocyanate, 1,6-hexamethylene diisocyanate, 4,4???-dicyclohexylmethane diisocyanate and compounds of the same family; and polysulphones, such as the produ
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