Polyurethane kusindikiza mphete yodziwika ndi kuvala kukana, mafuta, asidi ndi alkali, ozoni, ukalamba, kutentha otsika, kung'ambika, zimakhudza, etc. Polyurethane kusindikiza mphete ali ndi katundu waukulu kuthandiza mphamvu ndipo chimagwiritsidwa ntchito m'madera osiyanasiyana. Kuphatikiza apo, mphete yosindikiza yoponyedwa ndiyopanda mafuta, hydrolysi ...
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