Ingoa matū | Hydroxyethyl Methyl Cellulose |
kupu taurite | Cellulose ether, 2-hydroxyethyl methyl cellulose, Cellulose, 2-hydroxyethyl methyl ether, Methyl hydroxyethyl cellulose, HEMC, MHEC |
nama CAS | 9032-42-2 |
Waitohu | EipponCell |
Koeke Hua | HEMC LH 620M |
Wairewa | Wai Wairewa Cellulose ether |
Te ahua tinana | Ma ki te paura cellulose ma-kore |
makuku | Mōrahi.6% |
PH | 4.0-8.0 |
Viscosity Brookfield 2% otinga | 10000-20000mPa.s |
Viscosity NDJ 2% otinga | 16000-24000mPa.s |
ihirangi pungarehu | Mōrahi5.0% |
Rahi mata | 99% paahi 100mesh |
Waehere HS | 39123900 |
Ko te whakaurunga o EipponCell® HEMC LH 620M Cellulose ether ki roto i te kumete ka puta he mahinga rua o te pupuri wai me te matotoru.Ahakoa te iti o te inenga o te 0.2%, ka tino whakaitihia nga take whakaheke i roto i te raima raima mo te raima kua uru ki te hau, me te whakanui ake i te kaha o te pupuri wai o te moata, na reira ka whakaatu te kaha o te kaha ki tenei waahanga.
I tua atu, ka whakaatuhia e te HEMC tetahi paanga o te hau-a-rangi, ka pai ake te mahi o te moata.Ko te mea nui, ka whai waahi ano ki te whakahekenga nui o te kiato maroke o te kumete, a ka kaha ake tenei paanga ki te nui ake o nga kohinga HEMC.
I runga i te taapiri o te HEMC ki te ranunga moata, ka kitea he iti te whakahekenga o te kaha flexible, i te mea ka kaha ake te heke o te kaha compressive.E whakaatu ana te kurupae ōwehenga piko i te ara whakarunga, e tohu ana ko te taapiri HEMC ka whakanui ake i te uaua o te kumete.
Ko tetahi huanga nui o te HEMC ko tona kaha ki te pupuri wai.Ko tenei rawa te mahi hei arai i te tere o te urunga o te wai e te raima kua uru ki roto i te hau i roto i te raima raima moata.No reira, ka whakapumau i te whakamaaramatanga o te ciment i roto i te kumete, ka hua ake te whakakotahitanga o te kumete me te raima kua uru ki te hau, na reira ka piki ake te kaha here ki nga taumata teitei ake.
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