prov:value
| - The curing agent for the above-mentioned isocyanate compounds includes, for example, active hydrogen compounds, such as ethylene glycol, propylene glycol, tetramethylene glycol, neopentyl glycol, butanediol, 1,6-hexanediol, polyethylene glycol, polypropylene glycol, polytetramethylene ether glycol, trimethylolpropane, glycerol, pentaerythritol, castor oil, bisphenol-A ethylene oxide adducts, bisph
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