Plywood siamnaah hian formaldehyde-based adhesives hman a ni tlangpui a, chuvangin a siam zawh chuan free formaldehyde chu℃hrang hrangin a chhuah ang. Free formaldehyde content hian a bituk a pelh chuan mihring hriselna a nghawng dawn a ni. Plywood atanga formaldehyde chhuah dan test hi thil harsa tak a ni. A hnuaia method hmang hian plywood-a formaldehyde chhuah dan tur chungchangah hian a hmasa berah rorelna awlsam tak siam theih a ni. A hmasa berin, plywood hman loh chu pindan tenau takah dah khawm la, kawngkhar leh tukverhte kha khar la, hun engemaw chen hnuah enfiah rawh. Hriak rimtui tak a awm loh chuan plywood-a formaldehyde chhuahna a tlem a, a hmanna chuan mihring hriselna a nghawng dawn lo tih a tilang a; a rim a nasat emaw, a tearing sensation a awm emaw chuan plywood atanga formaldehyde release a tam thei tih a tilang.
Plywood-a formaldehyde chungchangah chuan a chhunga pore te hi 0.27 leh 0.98 nanometer inkar pore size a ni a, crystalline pattern-a dah a ni. Electrical property chak lo tak tak a nei bawk. Formaldehyde, ammonia, benzene, toluene, leh xylene molecule te hi diameter 0.4 leh 0.62 nanometer inkar an ni vek a, polar molecule an ni a, hei hian formaldehyde, benzene, leh TVOC te ang gas tha lo tak tak te chu a duh zawka adsorb theihna zia a pe a, chu chuan in chhunga boruak tihthianghlimna effect a nei thei a ni. Formaldehyde a adsorb thei a, a ti chhe thei bawk a, ni ênga a awm hnuah pawh hman leh theih a ni.