ugwebu lokutshiza iseli evaliweyo
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I-SWD250 Itshiza i-Rigid Polyurethane Foam Ukwakhiwa kweendonga zezinto zokugquma ubushushu
I-SWD250 Spray Rigid Polyurethane Foam yaphuhliswa yi-SWD Urethane Co. USA kwi-1970s.Isetyenziswe ngokubanzi kwisakhiwo sokufakelwa kobushushu eludongeni e-US kwaye iqinisekiswe njengeNkwenkwezi yeMandla yi-USEPA.I-SWD250 i-polyurethane foam yinto exineneyo yesakhiwo se-microporous foam enezinga eliphantsi lokufunxa, ukuchasana okulungileyo kokungena, ngaphezu kwe-95% yomxholo weseli evaliweyo.Isetyenziswe ngeteknoloji yokutshiza ngokuthe ngqo, akukho mithungo phakathi kweengqimba ze-foam ukuba umaleko opheleleyo ongenakungena owenziwe kwi-substrate.Idala umaleko wokukhusela ukuphepha ukufunxwa kwamanzi kwaye isombulule ngokugqibeleleyo iindonga zesakhiwo iingxaki zokuvuza kwamanzi kunye nemiba yokugquma ubushushu.
