Muaj ntau txhiab lub khob dej yas, yam khoom twg koj yuav tsum xaiv kom muaj kev nyab xeeb?Tam sim no, muaj tsib yam khoom tseem ceeb rau cov khob dej yas hauv khw: PC, tritan, PPSU, PP, thiab PET.
❌ Tsis tuaj yeem xaiv: PC, PET (tsis txhob xaiv lub khob dej rau cov neeg laus thiab menyuam yaus)
PC tuaj yeem tso tawm bisphenol A yooj yim thaum cua sov, thiab bisphenol A tuaj yeem ua rau cov kab mob endocrine cuam tshuam, cuam tshuam rau kev ua me nyuam, thiab ua rau cov menyuam muaj hnub nyoog laus dua. Nws yog ib qho tshuaj tawm-thiab-tawm ntev D!
PET muaj qhov kub tsis kam ntawm 65 ℃. Thaum qhov ntsuas kub siab tshaj, nws tuaj yeem tso tawm cov khoom tsis zoo. Kev tshawb fawb tshawb fawb tau pom tias PET cov khoom yas tuaj yeem tso cov carcinogens hauv ib hlis ntawm kev siv thiab muaj tshuaj lom rau txiv neej cov noob qes.
✅ Muaj kev xaiv: Tritan, PPSU, PPTritan cov khoom tsis muaj bisphenol A, bisphenol S lossis lwm yam bisphenol, thiab muaj kev nyab xeeb heev. Txawm li cas los xij, qhov ntsuas kub ntawm tritan yog -10-96 ° C, yog li nws tsis pom zoo kom nruab 100-degree dej kub.
PPSU yog cov khoom siv tshiab muaj kev nyab xeeb, polyphenylsulfone, uas tsis muaj bisphenol A. Nws cov qauv sab hauv yog qhov ruaj khov thiab tuaj yeem tiv taus 180-degree high-temperature sterilization. Nws kuj tseem tiv taus kom ntog, vim tias lub raj mis lub cev yog lub teeb thiab tsis yooj yim tawg.
Cov me nyuam lub raj mis thiab khob dej ua los ntawm cov khoom siv ppsu yuav tsis tsim cov tshuaj lom tom qab rov ua kom tsis muaj menyuam. Lawv tsis muaj bisphenol A thiab tuaj yeem tiv taus qhov kub thiab txias ntawm 180 degrees. Yog li ntawd, yog tias koj siv los khaws cov dej kub los yog cov tshuaj tua kab mob siab, PPSU cov khoom yog thawj qhov kev xaiv.
PP yas khob dej yog ua los ntawm polypropylene, uas muaj thermal stability thiab rwb thaiv tsev zoo, muaj kev nyab xeeb thiab tsis muaj teeb meem rau tib neeg lub cev. Txawm li cas los xij, nws yuav tsum tau muab sau tseg tias cov khob dej ua los ntawm PP tsis tuaj yeem ua rau kub kub ntev ntev, txwv tsis pub lawv yuav yooj yim ua rau kev laus.
Cia peb saib seb koj lub khob dej yog dab tsi?
Post lub sij hawm: Aug-08-2024