Video: Dab tsi yog hardener hauv epoxy?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Cov piv txwv ntawm epoxy hardeners amine-based, amine-based, polyamide, aliphatic thiab cycloaliphatic. Hardeners yog siv los kho epoxy resins. Txawm li cas los xij, tsuas yog ntxiv ib hardener mus ib epoxy resin yuav tsis ua rau cov epoxy sib tov kom kho sai sai. Yog hais tias qhov no yog qhov txawv hardener tej zaum yuav xav tau.
Raws li txoj cai, epoxy hardener yog dab tsi?
Thaum cov resin thiab cov kho tus neeg sawv cev reacttogether cov txheej txheem hardening tshwm sim. Cov resin nws tus kheej yog ua bisphenol (thiab muaj ntau tshaj ib hom) andepichlorohydrin. Hom bisphenol feem ntau yog kev sib xyaw ntawm acetone thiab phenol.
Ib yam li ntawd, qhov piv ntawm epoxy thiab hardener yog dab tsi? Feem ntau ntawm peb ambient kho ntub lay-up epoxy systemsfrom Entropy yog 2: 1 los ntawm ntim, yog li qhov no txhais tau tias peb yuav tsum tau nchuav ob feem epoxy rau ib feem hardener . Nco ntsoov xyuas cov chaw tsim khoom cov lus qhia uas luam tawm ntawm lub raj mis. Piv txwv: Peb cov khoom siv tag nrho yog kwv yees li 8-10 ooj ntawm cov khoom sib xyaw epoxy / hardener.
Puas yog epoxy resin kho tsis muaj hardener?
Epoxy cob yuav tsis yog kho kom raug nrog rau lwm hom ntawm epoxy hardener los yog nrog polyestercatalysts.
Dab tsi yog xim epoxy hardener?
Koj epoxy yuav tsum tseem kho kom raug, tab sis nws yog ib qho tseem ceeb mus ntsuam xyuas cov xim ntawm hardener mix nrog epoxy raws li nws yuav ua rau ib tug discolored tiav yog hais tias tus hardener yog xim daj lossis txiv kab ntxwv xim.
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