He peita ārai wai mō te tuanui puna kaukau o te polyurea
Whakaahuatanga Hua
Ko ngā paninga polyurea he mea hanga nui mai i ngā wāhanga isocyanate me ngā polyether amines. Ko ngā rauemi mata o nāianei mō te polyurea he mea hanga nui mai i te MDI, ngā polyols polyether, ngā polyamines polyether, ngā whakaroa mekameka amine, ngā tāpiri mahi maha, ngā tae me ngā whakakī, me ngā wairewa hohe. Ko ngā āhuatanga o ngā paninga polyurea he tere te whakamaroke, he tere te hanga, he pai te ātete ki te waikura me te ātete ki te wai, he whānui te awhe pāmahana, me te tukanga māmā. He tino pai mō ngā umanga ahumahi me te keri, ngā papa waka, ngā papa hākinakina, me ētahi atu, mō te paninga papa me ngā whakaritenga mō te ātete ki te paheke, te ātete ki te waikura me te ātete ki te kakahu.
NGĀ ĀHUATANGA O TE HUA
- He ātete pai ki te kakahu, he ātete ki te rakuraku, he roa ake te ora ratonga;
- He pakari ake i te papa epoxy, kāore e tihore, e ngatata rānei:
- He teitei te tauwehenga waku o te mata, ā, he ātete paheke ake i te papa epoxy.
- Te hanganga kiriata kotahi-papanga, te maroke tere, te hanga māmā me te tere:
- He tino pai te piri o te paninga anō, ā, he ngāwari ki te whakatika.
- Ka taea te whiriwhiri i ngā tae. He ataahua, he kanapa. Kāore he paitini, ā, he pai mō te taiao.
Ngā tikanga hanga
Te ārai wai i te tuanui
Papa tuanui papatahi [Te ārai wai pumau mō ngā tūru hākinakina]
Te tukanga hanga tuanui hiwi, turanga taera
- 1. Horoia te puehu, whakatikahia te mata o raro kia ma, kia ātaahua hoki. Mena he taera kua hikitia, kua nekehia, kua pakaru rānei, me nekehia. Me pania ngā taera pakaru me ngā wāhi he nui ngā āputa ki te paraki kia pakari ai ngā taera, kia kaua e wetekina, kia tutuki ai hoki ngā tikanga hanga.
- 2. Whakamahia ngā mahi tiaki, whakamahia ngā putea kirihou hei tiaki i ngā taonga i runga i te tuanui me te taha, pērā i ngā matapihi tuanui, ngā waea, ngā panera rā, ngā motuka, me ētahi atu.
- 3. Rōrahia te paninga motuhake mō te polyurea hei hiri i ngā pūwero mata o te turanga, kia nui ake ai te kaha here i waenga i ngā paparanga.
- 4. Rehuhia te rauemi ātete wai polyurea elastomer hei paparanga matua, me te arotahi ki te whakahaere i ngā taipitopito pēnei i te hiwi, ngā taera taha, ngā kokonga, ngā awaawa, ngā parepare, me ētahi atu.
- 5. Tāpirihia/whakapirihia te paninga motuhake mō te polyurea ki te rōra, kia ataahua ai, kia ātete ai ki te huarere, ā, kia kore ai e rerekē te tae.
Pāka Wai
- 1. Te maimoatanga taketake: Tangohia te paparanga paru o te turanga, ka whakaaturia te mata o te turanga mārō. Me whakarite kia eke te turanga ki te taumata C25, neke atu rānei, kia papatahi, kia maroke, kia kore he puehu, ā, kia kaua e orohia anō. Mena he mīti honikoma, he mata taratara, he kapiti, me ētahi atu, whakamahia ngā rauemi whakatika hei whakatika, hei whakataurite hoki kia mau tonu ai.
- 2. Te paninga o te paninga polyurea: Tāpirihia te paninga motuhake polyurea kia ōrite ki runga i te turanga hei hiri i ngā pūwero o te mata, hei whakapai ake i te hanganga o te whenua, hei whakaiti i ngā hapa o te paninga i muri i te rehu, hei whakanui ake i te piri i waenga i te putty polyurea me te sima, te raima i hurihia. Taria kia maroke rawa i mua i te haere ki te taahiraa e whai ake nei. Mena he nui te mā i muri i te paninga, me pania anō kia puta te whenua katoa ki te parauri pouri.
- 3. Te paninga o te putty polyurea: Tāpirihia te putty polyurea motuhake e ōrite ana ki runga i te turanga kia papatahi ai te whenua, kia hiritia ngā pūwero uaua e kore e kitea e te kanohi tahanga, ā, kia kore ai e puta he pūwero uaua o te polyurea kua rehuhia nā te mea kua whenua ngā pūwero uaua. Taria kia maroke rawa i mua i te haere ki te taahiraa e whai ake nei.
- 4. Te paninga o te parai polyurea: Tāpirihia te parai polyurea kia ōrite ki runga i te putty polyurea kua whakamaroketia kia pai ake ai te piri i waenga i te paparanga polyurea kua rehuhia me te putty polyurea.
- 5. Rehuhia te paninga polyurea: I roto i ngā haora 24 i muri i te whakamaroketanga o te paninga, whakamahia ngā taputapu rehu ngaio hei rehu ōrite i te polyurea. Me maeneene te mata paninga, kāore he rerenga, he kōhao iti, he mirumiru, he ngatata rānei; mō ngā kino ā-rohe, ngā kōhao iti rānei, ka taea te whakamahi i te whakatika ā-ringa i te polyurea.
- 6. Te paninga o te paninga polyurea: Kia maroke te mata o te polyurea, pania te paninga polyurea hei ārai i te koroheketanga, te whakarerekētanga o te tae, me te whakapakari i te ātete kakahu o te paninga polyurea, hei tiaki i te paninga polyurea.
