Hupenyu hune hutano, hunodziya uye hwakanaka hwepamba ndihwo hunotsvakwa nevanhu uye vanoshuva.Kuchengetedzeka uye kuita kwezvakatipoteredza kwezvinhu zvakaita sefenicha, pasi, mawadhiropu uye makabati munzvimbo yemusha zvine chekuita nehupenyu hwepamba.Kunyanya kusarudzwa uye kushandiswa kwezvinhu zvinonamatira, pendi uye dhayi.Kunyangwe iyo yakakwira ye formaldehyde muglue inobatsira kuvandudza mashandiro ebhodhi, nezvinodiwa zvemusika zvehutano uye kuchengetedza kwezvakatipoteredza uye kuenderera mberi kwekuvandudza kwemidziyo, tekinoroji uye maitiro.Iyo formaldehyde emission standard yehuni-based panels yakaramba ichivandudzwa, kubva pakuonekwa kweE2 (formaldehyde content ≤ 30mg/100g) neperforation extraction method yakabviswa muChina, kusvika pakuonekwa kweE1 (≤ 0.124mg/m3) ) uye E0 ( ≤0.05mg/m3) uye ENF (≤0.025mg/m3, kureva kuti hapana aldehyde) muChina.Boka redu ndiro muvambi weChina National Innovation Alliance yeNo-Added formaldehyde Wood-based Panels.Yeboka redu Gaolin brand fiberboard, particleboard uye plywood akatevedzana anonyanya kusimudzira uye kutengesa zvigadzirwa pasina aldehyde yekuwedzera.Chigadzirwa chacho chakawana China Environmental Labeling Certification, China Green Chigadzirwa Chitupa uye Hong Kong ECO mark License, Pakati pavo, particleboard yedu neplywood vakawana NAF (No-Added formaldehyde) chitupa chakapihwa neCalifornia Air Resources Board (CARB).Ichi ndicho chitupa cheNAF chakanyanya kuomarara pasi rose, Iyo ENF yakajairwa huni-yakavakirwa mapaneru anogadzirwa neboka redu anoshandisa No-Added formaldehyde glue senge bhinzi glue kana MDI uye gadzirisa maitiro epamberi ekugadzira kuti ive nechokwadi chekuti formaldehyde inobuda mapaneru anosangana neyakajairwa ENF uye ive nechokwadi chekuita kwakanaka uye kwakagadzikana kwechigadzirwa.Nekutsigirwa kweveveneer yepamusoro uye edge banding teknolojia yemabhodhi ekutevera.Kuchengetedzeka uye hutano nhanho yeChina yeNo-Added formaldehyde fenicha iri padanho rinotungamira pasirese.
Nguva yekutumira: Mar-21-2023