1 Zoyamba za polyurethane thovu zofewa zofewa makamaka zimaphatikizira chipika, chosalekeza, siponji, thovu lolimba kwambiri (HR), thovu lodzipaka pakhungu, thovu lokhazikika pang'onopang'ono, thovu la microcellular ndi thovu lokhazikika lomwe limatengera mphamvu.Chithovu chamtunduwu chimakhalabe pafupifupi 50% yazinthu zonse zopangidwa ndi polyurethane ...
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