Ko te māngaro ether te mea e whakamahia nuitia ana i roto i te moata hangahanga, ka pā ki te matotoru o te moata i hangaia i runga i te gypsum, te sima me te raima, ā, ka huri i te ātete hanganga me te totohu o te moata. Ko ngā māngaro ether te mea e whakamahia whānuitia ana me ngā cellulose ether kāore i whakarerekētia me ngā mea kua whakarerekētia. He pai mō ngā pūnaha kūpapa me ngā pūnaha kawakore, ā, he hototahi ki te nuinga o ngā tāpiringa i roto i te gypsum me ngā hua sima (pēnei i ngā surfactants, MC, māngaro me te polyvinyl acetate me ētahi atu polymer wairewa-wai).
Ngā āhuatanga matua:
(1) Ko te māngaro etera te tikanga e whakamahia tahitia ana me te methyl cellulose etera, e whakaatu ana i te pānga pai o te mahi tahi i waenganui i ngā mea e rua. Mā te tāpiri i te nui o te māngaro etera ki te methyl cellulose etera ka taea te whakapai ake i te ātete totoro me te ātete paheke o te moata, me te uara hua teitei.
(2) Mā te tāpiri i te nui e tika ana o te māngaro etera ki te moata kei roto ko te methyl cellulose etera ka taea te whakanui ake i te matotoru o te moata me te whakapai ake i te rere o te wai, kia maeneene ake ai te hanganga me te waru.
(3) Mā te tāpiri i te nui e tika ana o te māngaro etera ki te moata kei roto ko te methyl cellulose etera ka taea te whakanui ake i te pupuri wai o te moata, ā, ka roa ake te wā tuwhera.
(4) Ko te māngaro etera he māngaro etera kua whakarerekētia i roto i te matū, ka wairewa ki te wai, ka hototahi ki ētahi atu tāpiringa i roto i te moata paura maroke, he whānuitia te whakamahinga i roto i ngā piripiri taera, te moata whakatika, te moata paraikete, te putty pakitara o roto me waho, ngā hononga me ngā rauemi whakakī e hangai ana ki te gypsum, ngā kaihoko atanga, te moata pereki.
Ko ngā āhuatanga matua o te māngaro etera kei roto i ēnei: (a) te whakapai ake i te ātete ki te totohu; (b) te whakapai ake i te ngāwari o te mahi; (c) te whakapai ake i te tere pupuri wai o te moata.
Te whānuitanga o te whakamahinga:
He pai te māngaro ether mō ngā momo putty pakitara katoa (sima, gypsum, raima-konupūmā) mō roto, mō waho hoki o te pakitara, me ngā momo moata mata me te moata parai katoa.
Ka taea te whakamahi hei ranunga mō ngā hua sima, ngā hua gypsum me ngā hua raima-konupūmā. He pai te hototahitanga o te māngaro ether ki ētahi atu hanganga me ngā ranunga tāpiri; he tino pai mō ngā ranunga maroke hanganga pērā i te moata, ngā piripiri, te parai me ngā rauemi hurihuri. Ka whakamahia ngātahitia ngā māngaro ether me ngā methyl cellulose ether (ngā momo Tylose MC) ki roto i ngā ranunga maroke hanganga hei whakanui ake i te matotoru, te hanganga kaha ake, te ātete ki te totohu me te ngāwari o te whakahaere. Ka taea te whakaiti i te matotoru o ngā moata, ngā piripiri, ngā parai me ngā mea hurihuri kei roto he methyl cellulose ether teitei ake mā te tāpiri i ngā māngaro ether.
Wā tuku: Pipiri-13-2023