Kukanganiswa kunokonzerwa nefree formaldehyde inogadzirwa panguva yekutsvaira ganda kwakataurwa nevanoita ganda reganda nevatengi makore anopfuura gumi apfuura. Asi mumakore achangopfuura chete ndipo pakatorwa nyaya iyi zvakakomba nevanoita ganda reganda.
Kune matangi makuru nemadiki, chinangwa chave chiri chekuongorora huwandu hwemafuta asina formaldehyde. Mamwe matangi anoedza dehwe rega rega ravachangobva kugadzirwa kuti ave nechokwadi chekuti zvigadzirwa zvavo zvinoenderana nezvinodiwa.
Kune vanhu vazhinji vari muindasitiri yematehwe, ruzivo rwekuti vangaderedza sei huwandu hwefree formaldehyde mumatehwe rwave pachena——
Mishonga yeAmino resin inomiririrwa zvikuru nemelamine nedicyandiamide, ndiyo inonyanya kukonzera kugadzirwa kwefree formaldehyde mukugadzirwa kweganda uye kuburitswa kweformaldehyde nguva dzose muzvigadzirwa zveganda. Saka kana zvigadzirwa zveamino resin uye kukanganisa kwazvinoita free formaldehyde zvichigona kudzorwa zvizere, data rekuyedza free-formaldehyde rinogonawo kudzorwa zvinobudirira. Tinogona kutaura kuti zvigadzirwa zveamino resin series ndizvo zvinonyanya kukonzera matambudziko efree formaldehyde panguva yekugadzira dehwe.
Sarudzo yave iri kuedza kugadzira ma amino resins asina formaldehyde uye ma amino resins asina formaldehyde. Kugadziriswa maererano nehuwandu hwe formaldehyde uye mashandiro e tanning agents kuri kuitwa nguva dzose.
Nekuunganidza ruzivo kwenguva refu, ruzivo, hunyanzvi, tsvakiridzo nekuvandudzwa. Parizvino, dhizaini yedu yechigadzirwa chisina formaldehyde yakakwana. Zvigadzirwa zvedu zvave kuwana mhedzisiro yakanaka, zvese maererano nekuzadzisa kudiwa kwe 'zero formaldehyde' uye nekuwedzera nekuvandudza mashandiro ezvishandiso zvekutsvukisa ganda.
Inobatsira kugadzira tsanga dzakanaka uye dzakajeka dzine ruvara rwakajeka
Inobatsira kubereka tsanga dzakakwana uye dzakasimba
Ita kuti ganda rive rakazara, rakapfava uye rinosimba
Inopa tsanga dzakasimba uye dzakapfava uye ine hunhu hwakanaka hwekudhaya.
Inopa tsanga dzakasimba uye dzinobata
Sekambani ine mutoro, tichazvitakura sebasa redu uye ticharamba tichishanda nesimba kuti tisvike pachinangwa chedu chekupedzisira.
Ongorora zvimwe