Dab tsi yog qhov hardener rau polyester cob?
Dab tsi yog qhov hardener rau polyester cob?

Video: Dab tsi yog qhov hardener rau polyester cob?

Video: Dab tsi yog qhov hardener rau polyester cob?
Video: Thov Nyoo Nplog Teb Tsis Los Lawm. 2/15/22 2024, Tej zaum
Anonim

Cov hardener siv nrog polyester cob tseem hu ua catalyst. Qhov kev hloov pauv no yog hu ua "kho" lossis "polymerization." Methyl Ethyl Ketone Peroxide (MEKP) yog cov tshuaj hardener siv nrog polyester cob.

Thiab cov lus nug yog, dab tsi yog qhov catalyst rau polyester cob?

MEKP (Methyl Ethyl Ketone Peroxide) yog cov catalyst ntxiv rau polyester cob thiab vinyl ester cob . Raws li cov catalyst mixes nrog resin , ib qho tshuaj tiv thaiv tshwm sim, tsim kom sov uas kho (hardens) lub resin . Siv kwv yees li 1/2 oz ib quart ntawm resin.

Dab tsi yog kev siv polyester cob? Polyester resins yog unsaturated hluavtaws cob tsim los ntawm cov tshuaj tiv thaiv ntawm dibasic organic acids thiab polyhydric alcohols. Maleic Anhydride yog feem ntau siv raw khoom nrog diacid functionality. Polyester resins yog siv nyob rau hauv daim ntawv molding compound, bulk molding compound thiab toner ntawm laser printers.

Kuj tseem paub, dab tsi yog isophthalic polyester cob?

1 Gallon. Siab zog Isophthalic yog thixotropic, tsawg-viscosity, polyester cob nrog zoo heev kub thiab tshuaj tiv thaiv. Nws yog corrosion, kub, hnyav, thiab roj resistant. Nws muaj kev ntub dej zoo tshaj plaws thiab ua tau raws li NSF-14 thiab MIL-R-7575C cov qauv.

Ntau npaum li cas hardener koj ntxiv rau polyester cob?

Piv txwv. Qhov ratio ntau rau catalyst rau resin yog 1 mus rau 2 feem pua hardener mus rau tag nrho ntim ntawm resin siv tau. Piv txwv li, plaub tee ntawm hardener yuav yog 1 feem pua ntawm 1 ounce ntawm resin . Ntxiv ntau tsawg ntawm cov catalyst tus neeg sawv cev yuav ceev los yog qeeb lub sij hawm kho rau lub resin.

Pom zoo: