High Quality 96% Pararormaldehyde CAS: {{30525-89-4} rau kev siv

 

Pararormaldehyde hmoov, nrog tus lej cas 30525-89-4}}, yog hmoov dawb amorphous. Nws muaj ib qho tsis txaus ntseeg, tsw ntxhiab tsw thiab yog cov polymer ntawm formaldehyde. Nws tsis muaj qhov sib luag melting poting thiab decomposes thaum rhuab, nrog lub yaj melting ntawm 120 - 170 degree. Nws yog yooj yim soluble hauv dej kub, maj mam soluble hauv dej txias, soluble hauv caustic alkali thiab alkali hlau carbonate, tab sis insoluble pa carbonate, tab sis insoluble hauv cawv thiab ether. Nws daim ntawv siab polymer yog insoluble hauv dej.

 

Pararormaldehyde hmoov muaj ntau yam kev siv.

• Hauv kev lag luam, paraformaldehyde hmoov yog dav siv nyob rau hauv hluavtaws hluavtaws, cov nplaum, thiab txheej.
• Hauv kev ua liaj ua teb
• Hauv cov teb kho mob, cov hmoov nplej ua kom zoo rau cov khaub ncaws tua kab, khaub ncaws, thiab pam vov. Ntxiv mus, nws yog ib qho tseem ceeb organic cov khoom siv rau npaj tshuaj xws li pentaquathritol, chimethylolprropane, thiab lwm yam.

Yam	Cov lus qhia
Kev tshwm sim	Dawb crystalline hmoov
Cov ntsiab lus (H3bo3),%	96.35
Tus nqi acid ((formic acid),%	0.018
Tshauv,%	0.3
FE cov ntsiab lus,%	<0.0003
PH tus nqi (20 degree)	5.6
Solubility (55 degree, min)	15

GneebioNyob hauv Anyang City, Henan xeev, Suav. Nws yog cov khoom siv uas paub zoo thiab tsim cov khoom siv tshuaj raw hauv Suav. Peb muab cov khoom siv raw tshuaj sib xyaw, cov kuab tshuaj organic, thiab lwm yam kev ua tshuaj lom neeg siv tshuaj thiab thoob ntiaj teb cov khoom lag luam thiab cov khoom lag luam tshuaj zoo.

 

 

 

Q: Koj lub MOQ yog dab tsi?
A: Rau cov khoom siv nqi siab, peb moq yog 1 gram, feem ntau yog 10 gram. Rau lwm cov khoom lag luam qis, peb moq yog 100 grams thiab 1 phaus.
Q: Puas muaj cov luv nqi?
A: Yog, rau cov khoom loj dua, peb ib txwm muaj kev txhawb nqa ntawm tus nqi ntau dua.
Q: Kuv tuaj yeem lees paub qhov khoom zoo ua ntej tso ib qho kev txiav txim?
A: Koj tuaj yeem tau txais cov qauv dawb ntawm qee cov khoom lag luam, koj tsuas yog yuav tsum tau them tus nqi thauj khoom lossis npaj cov ntawv qhia rau peb thiab cov khoom lag luam, peb yuav tsim cov khoom raws li koj qhov yuav tsum tau ua.
Q: Koj siv cov lus tsis txaus siab zoo li cas?
A: Ua ntej ntawm txhua yam, peb txoj kev tswj tau zoo yuav txo cov teeb meem zoo kom ze xoom. Yog tias qhov teeb meem zoo yog tshwm sim los ntawm peb, peb yuav hloov cov khoom lossis them nyiaj rov qab koj poob dawb.

 

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