Whakataki Hua Diethylene Glycol (DEG)

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Tirohanga Whānui o te Hua

Ko te Diethylene Glycol (DEG, C₄H₁₀O₃) he wai matotoru, kāore he tae, he kakara, he āhua waikore, he reka hoki. Hei takawaenga matū nui, e whakamahia whānuitia ana i roto i ngā kapia polyester, ngā ārai hukapapa, ngā mea hanga kirihou, ngā whakarewa, me ētahi atu whakamahinga, ā, he rauemi mata matua i roto i ngā ahumahi petrochemical me ngā ahumahi matū pai.


Ngā Āhuatanga o te Hua

  • Teitei o te Kohua: ~245°C, he pai mō ngā tukanga pāmahana teitei.
  • Āhua-waikawa: Ka mimiti i te makuku mai i te hau.
  • Te wairewatanga tino pai: Ka taea te whakaranu ki te wai, ki ngā waipiro, ki ngā ketone, me ētahi atu.
  • Iti te Paitini: He iti ake te paitini i te ethylene glycol (EG) engari me whakamahi haumaru.

Ngā tono

1. Ngā Polyester me ngā Resin

  • Te hanga kapia polyester kāore i te mākū (UPR) mō ngā paninga me te muka karāhe.
  • He waimeha mō ngā kapia epoxy.

2. Ngā Ārai Huka me ngā Pouaka Whakamatao

  • Ngā hanganga ārai huka iti-paitini (kua konatunatua ki te EG).
  • Kaihoko whakamaroke hau māori.

3. Ngā Kaiwhakakirikiri me ngā Whakarewa

  • He whakarewa mō te nitrocellulose, ngā waituhi, me ngā piripiri.
  • Hinu whakahinuhinu kakahu.

4. Ētahi atu Whakamahinga

  • Whakamakuku tupeka, turanga whakapaipai, purenga hau.

Ngā Whakatakotoranga Hangarau

Taonga Whakatakotoranga
Te parakore ≥99.0%
Kiato (20°C) 1.116–1.118 karamu/cm³
Te Pūtake Kohua 244–245°C
Pūwāhi Ngaro 143°C (Ka mura)

Te Tākai me te Rokiroki

  • Mōkihi: 250kg ngā pahu piauau, ngā tāke IBC.
  • Rokiroki: Hiri, maroke, whakapūhautia, kia matara atu i ngā mea whakahāweawe.

Ngā Tuhipoka Haumaru

  • Mōrearea Hauora: Whakamahia he karapu/mōhiti kanohi hei karo i te pā atu.
  • Whakatūpato Paitini: Kaua e horomia (he reka engari he paitini).

Ā Mātou Painga

  • Teitei o te Parakore: He tino tika te QC me te iti o ngā poke.
  • Tuku Ngāwari: Tākai papatipu/whakaritea.

Kia mōhio: Kei te wātea ngā tuhinga COA, MSDS, me REACH.


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