Cov khoom lag luam
Melamine yog hmoov dawb, tsis muaj ntxhiab tsw qab, tsis muaj tshuaj lom neeg nyob rau hauv chav sov thiab siab me ntsis hauv ether, benzene thiab lwm yam kev daws teeb meem organic.
| Kev tshwm sim | Dawb khoom |
| Ceev | 1.573 g / cm3 |
| Melting taw tes | 343 Qib Kawm Ntawv (649 Degree F; 616 K) (Decomposition) |
| Kub taw tes | Sublimes |
|
Solubility hauv dej |
3240 mg / l (20 degree) |
| So | Heev me ntsis soluble hauv cawv[Piav qhia qhov xav tau], benzene, glycerol, pyridine Insoluble hauv ether, benzene, ccl4 |
| phau ntawv ceev xwmP | −1.37 |
| Acidity (PKa) | 5.0 (conjugated acid) |
| Basyity (PKb) | 9.0 |
|
Sib Nqus Tau Zoo (χ) |
−61.8·10−6cm3mol |
|
Cov indexial index (nD) |
1.872 |
Kev siv
- Kev tsim melamine-formaldehyde cob: melamine tuaj yeem tsim kho cov ntawv yas, fortnitive, chav ua haujlwm, insulating cov ntaub ntawv thiab yog li ntawm {{3}
- Wood Ua: Nws tuaj yeem siv los tsim cov ntawv impregnated, uas tuaj yeem ua ke nrog daim ntawv thiab tom qab ntawd kub-nias kom zoo nkauj Panels.
- Textile kev lag luam: Melamine tuaj yeem siv los ua cov kws kho cov kab ntawv rau cov ntaub ua tiav rau cov ntawv .
- Ua liaj ua teb Teb: nws tuaj yeem siv los ua cov khoom siv raw ntawm qeeb-ua yeeb yam nitrogen fertilizer .
Tuam txhab tau
Cov Kev Pab Cuam Gnee:
{{0 {}} Cov qauv nyiaj .
2.} Cov Packing kuj tuaj yeem ua raws li cov neeg siv khoom lag luam '}}
{3. Txhua yam kev nug yuav teb tsis pub dhau 24 teev .
4.}} Peb muab daim ntawv qhia nqe lus, cov ntawv pov thawj khoom lag luam thiab keeb kwm muaj cov kev cai tshwj xeeb, qhia rau peb paub.
{{0 {}} Hoobkas nqe .
6.}}}}}}} Peb muaj kev koom tes zoo nrog koj ib zaug koj lees paub qhov kev txiav txim.
7. Peb tuaj yeem lees txais ntau txoj kev them nyiaj, L / C, PEs, PayPal Minis, thiab peb koom tes nrog kev ua txhaum ntau xyoo.
Cov FAQ
Q: Thaum twg cov zaub mov xa tuaj?
A: Cov zaub mov xa tuaj yuav tau ua nyob rau hauv 5-10 hnub tom qab tau txais kev them nyiaj yug {.
Q: Koj tus qauv los xyuas kom meej qhov zoo ntawm koj cov khoom?
A: Peb nruj ua raws li 6 kauj ruam rau kev tswj hwm zoo, pib los ntawm cov khoom siv raw, pib los ntawm cov khoom lag luam tiav rau cov khoom tiav tawm hauv lub hoobkas.
Q: Yuav ntev npaum li cas rau kuv kom tau txais cov qauv?
A: Peb yuav xa cov qauv tsis pub dhau {{}}}}}}} {{{3} {3} {3} {}5-7 ua haujlwm hnub
Q: Koj txais cov txheej txheem them nqi dab tsi?
A: Peb lees txais 50% them ua ntej lossis 100% them rau pom, lossis lwm txoj kev them nyiaj, yuav tsum sib tham.
Q: Qhov kev txiav txim yam tsawg kawg nkaus?
A: Feem ntau qhov kev txiav txim yam tsawg kawg nkaus yog 1kg, uas tuaj yeem siv ua piv txwv rau cov khoom lag luam tshwj xeeb yog 20 gram .
Cim npe nrov: organic raw cov ntaub ntawv dawb hmoov Melamine CAS {}} C3H6N6, Tuam Tshoj}} C3h6N6 Cov Chaw Tsim Tshuaj, Chaw muag khoom, Hoobkas