Awọn bata ailewu le pin si ọpọlọpọ awọn oriṣi gẹgẹbi awọn iṣẹ oriṣiriṣi.Atẹlẹsẹ naa jẹ gbogbo ohun elo polyurethane nipasẹ mimu abẹrẹ akoko kan, eyiti o ni awọn anfani ti resistance epo, resistance resistance, acid ati resistance alkali, idabobo, resistance omi, ati imole.2-...
Ka siwaju