Polyurethane pumice e na le matla a phahameng, ho boloka mocheso, ho kenya mocheso, ho kenya molumo, ho thibela metsi, ho thibela mollo, asiti le alkali ho hanyetsa, ho hanyetsa matheba, ho hanyetsa kutu, ho hanyetsa li-enzyme, 'me ha ho na tšilafalo, ha ho radioactivity, joalo-joalo Ke botala bo loketseng, tšireletso ea tikoloho. mme en...
Bala haholoanyane