Cov ntsiab lus phenolic hauv cov txheej txheej saum npoo (piv txwv li 0–0.25 mm qhov tob) zoo li siab duatom qab kiln ziab dua tom qab cua qhuav ntawm chav tsev kub (Daim duab 3B). Qhov tawg ntawm cov ntaub ntawv yog qhov loj, tab sis cov ntsiab lus qis ntawm phenols tau pom nyob rau hauv cov txheej txheem qis dua.
Puas ziab kom qhuav tshem tawm phenols?
Tab sis nco ntsoov: kev ziab ziab yog tsom rau kev tshem dej, tsis phenols thiab tsis yog abietic acid. Txawm hais tias qee qhov sib xyaw ua ke sib sib zog nqus thaum lub sijhawm ua kom qhuav, tsis yog txhua tus yuav, thiab qhov ntawd yog qhov pom ntawm no.
Puas yog kiln qhuav ntoo thuv toxic?
Txhua lub txaj ntoo thuv yog tshuaj lom heev, txawm tias qee hom mob hnyav dua li lwm tus. Lwm txoj hauv kev qee cov ntoo thuv shavings tej zaum yuav muaj tshuaj lom ntau dua li lwm tus tau ua nrog cov txheej txheem ziab ziab. … Nyob ntawm seb qhov twg ntawm cov ntoo koj cov shavings tuaj, koj cov ntoo thuv tej zaum yuav muaj tshuaj lom ntau dua lossis tsawg dua qhov nruab nrab.
Kub ziab kom qhuav tshem tawm cov kua qaub?
Txoj hauv kev tseem ceeb kom tsis txhob muaj cov kua txiv ntoo yog kom sov cov ntoo thiab muab khi kom zoo … Kiln ziab ntoo kom 170 F yuav crystallize feem ntau ntawm cov kua txiv thiab tiv thaiv oozing. Yog tias koj tsis tuaj yeem yuav cov ntoo qhuav, yog tias ua tau, ua kom cov ntoo nrog rab phom kub kom txog thaum cov kua qaub crystallizes, ces muab cov ntoo nrog lub sealer xaiv.
Puas yog kiln qhuav ntoo thuv txaj zoo?
lub txaj no yog nyab xeeb siv vim nws yog kiln qhuav ntoo thuv. Nws tsw zoo & nqus tau zoo.
