Ndụ obibi dị mma, nke na-ekpo ọkụ ma mara mma bụ ihe ndị mmadụ na-achụso ma na-achọsi ike. Nchekwa na arụmọrụ gburugburu ebe obibi nke ihe dịka arịa ụlọ, ala, kabọd na kabọd n'ime gburugburu ebe obibi nwere nnukwu mmetụta na ndụ ụlọ. Karịsịa nhọrọ na ojiji nke ihe nrapado, agba na agba. Ọ bụ ezie na ọdịnaya dị elu nke formaldehyde dị na gluu na-enyere aka imeziwanye arụmọrụ njikọ nke bọọdụ ahụ, yana ihe ahịa chọrọ maka nchekwa ahụike na gburugburu ebe obibi yana mmezi na-aga n'ihu nke akụrụngwa, teknụzụ na usoro. A na-emeziwanye ọkọlọtọ mmepụta formaldehyde nke panel osisi, site na nchọpụta nke E2 (ọdịnaya formaldehyde ≤ 30mg/100g) site na usoro mwepụta oghere nke ewepụrụ na China, ruo na nchọpụta nke E1 (≤ 0.124mg/m3) na E0 (≤0.05mg/m3) na ENF (≤0.025mg/m3, ya bụ enweghị aldehyde) na China. Otu anyị bụ onye malitere China National Innovation Alliance of No-Added formaldehyde Wood-based Panels. Usoro fiberboard, particleboard na plywood nke otu anyị na-akwalite ma na-ere ngwaahịa na-enweghị mgbakwunye aldehyde. Ngwaahịa a enwetala Asambodo Labeling Environmental Label China, Asambodo Ngwaahịa Green nke China na Akwụkwọ ikike akara Hong Kong ECO, N'ime ha, particleboard na plywood anyị enwetala asambodo NAF (No-Added formaldehyde) nke California Air Resources Board (CARB) nyere. Nke a bụ asambodo NAF kachasị sie ike n'ụwa, panel osisi ENF nke otu anyị mepụtara na-eji gluu No-Added formaldehyde dị ka gluu bean ma ọ bụ MDI ma hazie usoro mmepụta dị elu iji hụ na mmepụta formaldehyde nke panels na-emezu ọkọlọtọ ENF ma hụ na arụmọrụ ngwaahịa dị mma ma kwụsie ike. Site na nkwado nke teknụzụ veneer na verge banding dị elu nke bọọdụ ndị na-esochi. Ọkwa nchekwa na ahụike nke ngwá ụlọ formaldehyde No-Added nke China dị n'ọkwa kachasị elu n'ụwa.
Oge ozi: Maachị-21-2023