RTV2 pwm kua silicone roj hmab rau ntau yam hniav tswm ciab pwm Featured duab

RTV2 pwm kua silicone roj hmab rau ntau yam zoo nkauj tswm ciab pwm

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Ua haujlwm kub ntawm cov kua pwm silicone
Kev ua haujlwm kub ntawm cov kua pwm silicone yog nruab nrab ntawm -40 ℃ thiab 250 ℃

Lub molding kub ntawm cov khoom siv silicone yog txiav txim siab raws li cov khoom ntawm cov khoom.Chav kub vulcanized silicone roj hmab tuaj yeem muab faib ua hom condensation thiab ntxiv hom raws li nws cov vulcanization mechanism;nws tuaj yeem muab faib ua ob hom raws li nws txoj kev ntim khoom: ob lub ntsiab lus thiab ib qho khoom siv.Qhov xwm txheej ntawm silicon-oxygen bonds uas tsim cov saw tseem ceeb ntawm silicone roj hmab txiav txim siab tias silicone roj hmab muaj qhov zoo uas cov roj hmab ntuj thiab lwm yam roj hmab tsis muaj.Nws muaj qhov dav tshaj plaws ntawm kev khiav hauj lwm kub (-40 ° C txog 350 ° C) thiab muaj qhov kub thiab txias tsis kam.

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Khoom cim npe

Cov txheej txheem kom sai demoulding ntawm silicone pwm cov khoom yog raws li nram no

Tswv yim 1. Kev xaiv cov khoom siv: sim xaiv cov ntaub ntawv du los ua tus tswv pwm thiab pwm ncej.Cov pwm thav duab tuaj yeem ua los ntawm cov yas tsev blocks lossis acrylic boards.

Tswv yim 2. Txau tus neeg sawv cev: Txau tus neeg tso tawm ntawm tus tswv pwm.Cov tshuaj tso tawm feem ntau yog dej-raws li, qhuav, thiab roj-raws li.Feem ntau, cov dej-raws li tso cov neeg ua hauj lwm thiab cov resin-raws li cov neeg tso tawm yog siv los ua pwm xws li kab lis kev cai pob zeb thiab pob zeb.Siv qhuav (tseem hu ua nruab nrab) tso tawm tus neeg sawv cev, hom polyurethane siv cov roj tso tawm tus neeg sawv cev, yog tias muaj pwm me me, koj tuaj yeem siv cov tshuaj ntxuav tais diav lossis dej soapy hloov.

RTV2 pwm kua silicone roj hmab rau ntau yam hniav tswm ciab pwm (3)

RTV2 pwm kua silicone roj hmab rau ntau yam hniav tswm ciab pwm (2)

RTV2 pwm kua silicone roj hmab rau ntau yam hniav tswm ciab pwm (1)

Tswv yim 3: Qhib cov pwm tom qab ua tiav solidification: Txij li thaum cov txheej txheem kho cov kua silicone yog los ntawm kev pib solidification kom tiav solidification, ntau tus neeg uas tab tom sim tig cov pwm qhib pwm tam sim ntawd tom qab pib solidification.Nyob rau lub sijhawm no, silicone tsis yog tag nrho solidified thiab tej zaum tsuas yog superficially solidified.Yog tias cov txheej txheej sab hauv tsis kho, yuam cov pwm qhib rau lub sijhawm no tseem yuav ua rau muaj teeb meem nrog qee qhov kho mucous membrane.Yog li ntawd, feem ntau pom zoo kom qhib pwm tom qab 12 mus rau 24 teev.Qhov no tseem tuaj yeem zam qhov teeb meem ntawm deformation lossis nce shrinkage ntawm silicone pwm..

Tswv yim 4: Xaiv qhov zoo silicone: Thaum siv cov kua silicone los pwm pob tshab epoxy resin handicrafts, koj yuav tsum xaiv cov silicone zoo.Yog tias koj siv cov kua nplaum silicone thiab muaj teeb meem pwm, koj tuaj yeem muab cov pwm silicone tso rau hauv qhov cub.Ci pwm ntawm nruab nrab kub (80 ℃ - 90 ℃) rau ob teev, nyob ntawm seb qhov loj ntawm silicone pwm.Tom qab ntawd, tos cov pwm silicone kom txias thiab tom qab ntawd siv epoxy resin los daws qhov teeb meem ntawm pwm nplaum.Yog tias koj siv cov kua pwm silicone ntxiv, qhov teeb meem ntawm cov pwm nplaum yog tias cov pwm silicone lossis tus qauv qauv tsis huv txaus, los yog muaj teeb meem ntawm qhov zoo ntawm silicone lossis resin.

Rtv2 Tsawg Viscosity Moldes De Silicona Para Liquid Silicone Roj Hmab Rau Ciab Mould Candle Moulding-01 (4)

Rtv2 Tsawg Viscosity Moldes De Silicona Para Liquid Silicone Roj Hmab Rau Ciab Mould Candle Moulding-01 (3)

Rtv2 Tsawg Viscosity Moldes De Silicona Para Liquid Silicone Roj Hmab Rau Ciab Mould Candle Moulding-01 (5)

Yog vim li cas pwm silicone tsis solidify

Cov laj thawj vim li cas cov pwm silicone tsis tuaj yeem tuaj yeem yog vim peb lub ntsiab lus hauv qab no: 1:

Qhov kub thiab txias yog qis heev.Cov kua silicone yuav tsis yooj yim rau solidify hauv qab 10 ° C.Qhov xwm txheej no feem ntau tshwm sim nyob rau lub caij ntuj no.Hauv qhov no, nws tuaj yeem daws tau los ntawm kev nce chav tsev kub kom siab tshaj 20 ℃.

Lub hardener ratio yog tsis ncaj ncees lawm.Feem ntau, qhov sib piv ntawm condensation-type silica gel rau curing agent yog 100: 2.Yog hais tias qhov piv ntawm curing tus neeg sawv cev ntxiv me me dhau, nws yuav ua rau tsis muaj kev kho los yog nyuaj rau kev kho.Tsis tas li ntawd, tus neeg sawv cev kho tau muab los ntawm cov chaw tsim khoom feem ntau yog qhov hnyav piv ntau dua li qhov ntim piv.
Cov silicone gel thiab curing tus neeg sawv cev tsis yog tag nrho sib xyaw ua ke.Yog hais tias qhov sib tov tsis sib tov sib npaug, nws feem ntau yuav ua rau ib nrab solidification thiab ib nrab tsis-solidification.Yog li ntawd, thaum nplawm, xyuam xim rau cov seem silicone ntawm cov ces kaum ntawm lub thawv.