Polyurethane pumice ni agbara giga, itọju ooru, idabobo ooru, gbigba ohun, mabomire, ina, acid ati resistance alkali, idoti idoti, resistance ipata, resistance enzyme, ati pe ko si idoti, ko si ipanilara, bbl O jẹ alawọ ewe bojumu, aabo ayika. ati en...
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