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Uracil
Dzina la mankhwala:6-AMINO-1,3-DIMETHYLURACIL
CAS Ayi:6642-31-5
Fomu lamankhwala:C6H9N3O2
Kulemera molekyu:155.15
Fomu yamalonda:White kapena pafupifupi woyera ufa
Mfundo yosungunula:≥275 ℃
Katundu wapackage:25KG / thumba
Mbali ndi Mapindu
| zinthu | mfundo |
| Maonekedwe | White kapena pafupifupi woyera ufa |
| Malo osungunuka (℃) | ≥275 |
| Kutaya pakuyanika (%) | ≤0.5 |
| Kuyesa (%) | ≥99.0 |
Ntchito Yogulitsa
Malo osungunuka a uracil ndi pamwamba pa 270 ℃, ndipo amatha kutengera njira yopanga PVC yokha.
Uracil imatha kuyamwa HCL yopangidwa panthawi yopanga PVC ndikulowetsa maatomu osakhazikika a klorini.
Mukagwiritsidwa ntchito limodzi ndi ZnSt2, uracil imatha kuchitapo kanthu ndi ZnC12 kuti ipange chitsulo, kupangitsa ZnC12 kukhala yosagwira ntchito ndikuletsa "kuyaka kwa zinki", potero kumathandizira kukhazikika kwa zinthu za PVC.
Zokhala ndi theuracil/ZnSt2 compound stabilizer, zonse zoyera zoyamba komanso kukhazikika kwanthawi yayitali ndizabwino kwambiri kuposa zomwe zili ndi CaSt2/ZnSt2 compound stabilizer.
Whenuraciland ZnSt2 amagwiritsidwa ntchito palimodzi, dongosolo labwino lokhazikika limakwaniritsidwa.
Chiŵerengero chowonjezera chowonjezera cha stabilizer mu dongosolo la calcium-zinc ndi 2-5% ya chiwerengero chonse cha stabilizer.
Chitetezo ndi chitetezo
Iyenera kusungidwa pamalo ozizira ndi owuma. Ikhoza kusungidwa kwa zaka ziwiri pansi pa zinthu zosatsegulidwa. Ngati mankhwalawa sagwiritsidwa ntchito, kutsegula kwa thumba kuyenera kutsekedwa mwamphamvu.