Video: Puas yog methyl methacrylate txhaum cai?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Vim li cas yog Methyl Methacrylate (MMA) txwv ? Tsoom Fwv Teb Chaws Florida tau dhau txoj cai lij choj thiab Governor Bush tau kos npe rau hauv txoj cai lij choj. MMA tau txwv Hauv 38 lwm lub xeev thiab tau tshaj tawm tias "muaj tshuaj lom thiab tshem tawm" los ntawm United States Food and Drug Administration.
Ib sab ntawm no, puas yog MMA acrylic txhaum cai?
Qhov no acrylic xim khoom yog txhaum cai thaum siv rau ntawm cov rau tes, nws tuaj yeem ua rau poob mus tas li thiab kev puas tsuaj ntawm cov ntsia hlau ntuj, nrog rau kev loog ntawm cov ntiv tes. MMA ua tau TSIS TAU nyob rau hauv kev lag luam ntsia thawv rau ntau tshaj 20 xyoo tab sis tseem raug siv vim nws pheej yig!
Tsis tas li ntawd, puas yog methyl methacrylate txwv nyob rau hauv UK? BBC Inside Out tau tshawb pom tias ntau lub khw muag khoom siv nyiaj txiag siv methyl methacrylate (MMA) uas tuaj yeem ua rau cov ntsia hlau puas tsuaj thiab ua rau muaj kev tsis haum loj. MMA yog txwv nyob rau hauv lub tebchaws United States of America tab sis tsis yog tam sim no txhaum cai hauv UK.
Hauv qhov no, puas yog methyl methacrylate lom?
Qhov mob tshuaj lom ntawm methyl methacrylate yog tsawg. Cov txiaj ntsig tau pom ntau zaus ntawm qhov qis tshaj plaws tom qab rov ua kom nqus tau methyl methacrylate yog irritation ntawm qhov ntswg kab noj hniav. Cov teebmeem ntawm lub raum thiab daim siab ntawm cov concentration ntau dua kuj tau tshaj tawm.
Cov khoom dab tsi muaj methyl methacrylate?
- Acrylate Adhesives.
- Artificial Fingernail Adhesive.
- Automotive Txheej thiab Sealants.
- Pob txha Cement.
- Cov ntaub ntawv kho hniav. • Crowns. • veneers. • Fillings.
- Enamel Resins.
- Hearing Aids.
- Lacquers.
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Txoj cai twg yog txhawm rau muab lub zog saib xyuas muaj zog ntxiv dag zog rau kev ua txhaum cai lij choj tiv thaiv kev ua phem thiab tiv thaiv kev lag luam nyiaj txiag?
COV PHOOJ YWG ACT TEEV NTUJ TEEB MEEM NTAWM TXOJ CAI TXOJ CAI TSHIAB
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