Toxicity Raws li Xeev
- Kev Kho Kom Zoo, Cov Khoom Ua Tau Zoo: Cov khoom no muaj cov ntoo khaub lig ruaj khov -txuas cov qauv polymer nrog cov khoom seem uas tsis muaj phenol thiab formaldehyde. Kev pheej hmoo ntawm kev noj qab haus huv los ntawm kev sib cuag txhua hnub tsawg heev; pawg no suav nrog cov txheej txheem hluav taws xob rwb thaiv tsev thiab ua raws phenolic rwb thaiv tsev boards.
- Kho tsis tiav lossis qis- Cov Khoom Siv Zoo: Cov no tuaj yeem khaws cov khoom siv tshuaj lom neeg xws li phenol dawb thiab formaldehyde. Cov tshuaj zoo li no tuaj yeem nkag mus rau tib neeg lub cev los ntawm kev ua pa, tawv nqaij, lossis cov mucous membranes; ntev - kis tau tus kab mob tuaj yeem ua rau lub ntsws ua pa thiab ua rau muaj kev ua xua ntawm daim tawv nqaij. Qee cov khoom lag luam tsis zoo muaj ntau dua 5% dawb phenol, cais lawv kom meej meej.
- combustion los yog siab -Temperature Decomposition: Cov txheej txheem no tso tawm irritating, teeb meem gases uas yuav ua rau cov tsos mob xws li xeev siab thiab kiv taub hau thaum koj nqus tau pa. Txawm li cas los xij, cov ntaub ntawv phenolic ua npuas ncauj tau lees paub tias muaj kev nyab xeeb, hluav taws kub - tiv thaiv rwb thaiv tsev; lawv tsim tsis muaj pa luam yeeb thiab pom muaj toxicity tsawg thaum raug cov nplaim taws.
Toxicity Levels los ntawm Hom
- Standard Phenolic Resin Adhesives: Feem ntau muaj tsawg dua 2.5% phenol dawb; cais raws li tsawg- cov khoom toxicity thiab dav siv hauv kev ua ntoo.
- Rosin-Modified Phenolic Resins: Qhia meej meej raws li qis- lom; Feem ntau siv rau hauv cov coatings thiab roj hmab- hais txog kev siv.
- Siab -Molecular- Nyhav, Kho Mob Phenolic Resins: Muaj tsawg dua 0.2% dawb phenol; feem ntau suav hais tias tsis yog - lom hauv kev lag luam.