Video: Puas yog polyurethane resin tshuaj lom?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Teeb Meem Ua Ntej Ua Ntej, polyurethane yog petrochemical resin uas muaj cov kab mob ua pa hu ua isocyanates. Thaum tshuav tsis kho, polyurethane tuaj yeem ua rau mob hawb pob thiab lwm yam teeb meem ua pa.
Zoo sib xws, puas yog polyurethane lom rau tib neeg?
Polyurethane , petrochemical cob uas muaj isocyanates, yog paub ua pa lom. Tsis kho polyurethane tuaj yeem ua rau muaj teeb meem ua pa xws li mob hawb pob. Cov menyuam yaus thiab cov neeg uas muaj kab mob ua pa yog qhov tshwj xeeb tshaj yog rau cov kab mob tshuaj lom chemicals nyob rau hauv polyurethane.
Ib qho ntxiv, puas yog txheej txheej polyurethane nyab xeeb? A: Raws li kws tshaj lij Bob Flexner, txhua qhov tiav yog khoom noj- nyab xeeb ib zaug lawv tau kho lawm. Polyurethane kua roj vanish tsis muaj qhov paub txog kev phom sij. Txawm li cas los xij, tsis muaj qhov kawg yog zaub mov nyab xeeb kom txog thaum nws tau kho zoo.
Ib sab ntawm no, resin txaus ntshai npaum li cas?
Feem ntau, ib tug tuaj yeem hais tias cov ntshiab epoxy cob raug suav tias yog tsis muaj tshuaj lom, qhov pheej hmoo ntawm kev puas tsuaj los ntawm kev noj cov tshuaj epoxy resin tuaj yeem suav tias yog me me. Nws tuaj yeem ua rau khaus, uas tuaj yeem muab tshuaj lom eczema, lossis sensitizer, uas tuaj yeem ua rau muaj kev tsis haum rau dermatitis.
Polyurethane resin yog dab tsi?
Urethane ( Polyurethane ) cob yog copolymers suav nrog polyol thiab isocyanate Cheebtsam. Lawv muaj zoo heev adhesion rau ntau yam substrates thiab siab elasticity.
Pom zoo:
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