Barium sulfate
Tshuaj Formula: BaSO₄
Molecular Luj: 233.39
Barium sulfate yog inorganic non-cov khoom siv hlau ua los ntawm ntuj barite los ntawm cov txheej txheem suav nrog kev ua ntxhia, crushing, kua qaub ntxuav, nag lossis daus, thiab hloov chaw. Nws yog cov hmoov tsis muaj ntxhiab tsw, tsis muaj qab ntxiag dawb nrog cov khoom zoo xws li siab ceev (4.5 g / cm³), siab dawb, muaj zog tshuaj inertness, acid thiab alkali tsis kam, thiab X-ray muaj peev xwm nqus tau.
Peb cov khoom lag luam barium sulfate suav nrog ob lub ntsiab lus:Ntuj Barium Sulfate (Barite Powder)thiabPrecipitated Barium Sulfate. Precipitated barium sulfate yog tsim los siv cov cuab yeej siv tshuaj lom neeg siab heev, muaj cov purity siab, nqaim particle loj tis, thiab cov ntsiab lus impurity tsawg. Organically hloov kho ultrafine barium sulfate exhibits zoo heev dispersibility thiab compatibility, uas yuav zoo txhim kho nto gloss thiab mechanical zog ntawm cov khoom kawg.
Tus nqi tseem ceeb ntawm Barium Sulfate
Raws li ntau yam xim dawb extender pigment thiab kev ua haujlwm muab tub lim, barium sulfate ua raws li tus nqi -cov txiaj ntsig zoo thaum muab cov khoom lag luam nrog cov khoom siv kho qhov muag thiab lub cev. Nws yog ib qho tseem ceeb ntawm cov khoom siv rau txheej, yas, roj hmab, kev siv kho mob, thiab lwm yam lag luam.
Part 2: Core Advantages and Properties
High Whiteness & Ntshiab Xim
Dawb li ntawm 92% mus rau 99%, nrog siab - purity qib siab dua los yog sib npaug rau 98.5%. Ua tau zoo txhim kho cov xim dawb thiab cov tsos zoo hauv cov txheej, yas, ntawv ua, thiab lwm yam.
High Purity & Ultra- Tsawg Impurities
BaSO₄ cov ntsiab lus Ntau dua lossis sib npaug li 97%–98%, qib siab tshaj 98.5%. Cov ntsiab lus hlau tuaj yeem tswj tau qis dua 0.0015%, dej- cov teeb meem soluble Tsawg dua lossis sib npaug li 0.20%–0.30%.
Strong Chemical Inertness & Zoo heev Stability
Xyaum insoluble hauv dej, ethanol, dilute acids, thiab alkalis; soluble nyob rau hauv kub concentrated sulfuric acid. Tsis muaj xim tsis muaj xim thaum raug hydrogen sulfide lossis cov pa phem hauv huab cua. Melting point: 1580 degree; decomposes saum 1600 degree.
Controllable Particle Size & Concentrated Distribution
Ntau yam ntawm cov pa 325 mesh rau ultrafine / nano qib. D50 ntawm qib siab -purity: 0.6-0.8 μm; Hloov kho ultrafine qib: tsawg li 0.3-0.4 μm. Residue ntawm 325-mesh sieve Tsawg dua lossis sib npaug li 0.2%.
Nruab nrab Roj Absorption & Kev Ua Haujlwm Zoo
Roj haum adjustable ntawm 10-30 g / 100 g; qib hwm tswj ntawm 15-25 g / 100 g. Pab optimize resin ntau npaum li cas thiab txo cov nqi ntau lawm.
X-ray / -ray Absorption Capacity
Zoo absorbs X-rays thiab -rays, haum rau cov ntaub ntawv tiv thaiv hluav taws xob thiab cov neeg ua haujlwm kho mob.
Txhim kho Surface Gloss & Hardness
Tseem ceeb txhim kho nto gloss, hardness, thiab huab cua tsis kam ntawm cov khoom kawg.
Safe & Eco-Nyob zoo
Tsis muaj ntxhiab tsw, tsis yog - lom, thiab ua tau raws li cov qauv kev nyab xeeb tshuaj. Qee cov khoom ua raws li FDA, REACH, thiab lwm yam ntawv pov thawj thoob ntiaj teb.
Ntu 3: Daim Ntawv Thov Tseem Ceeb
Ua tsaug rau nws qhov siab dawb, siab purity, tshuaj inertness, thiab cov khoom siv kho qhov muag tshwj xeeb, barium sulfate tau siv dav hauv ntau cov tsoos thiab siab -kawg kev lag luam.
1. Coatings & Paints Industry (Core Application)
Barium sulfate yog ib qho tseem ceeb ua haujlwm ntxiv pigment thiab muab tub lim hauv kev lag luam coatings.
Lub luag haujlwm tseem ceeb
Txhim kho lub zog zais thiab huab cua tsis kam ntawm cov txheej.
Txhim kho zaj duab xis hardness, abrasion tsis kam, thiab corrosion kuj.
Txhim kho leveling thiab imparts siab gloss.
Ua raws li defoamer thiab brightener los txhim kho txheej zoo.
Zoo tswj viscosity thiab txhim kho daim ntawv thov kev ua haujlwm.
Cov txheej txheem tsim nyog
Automotive txheej (electrocoat primer, primer, surfacer, topcoat).
Cov txheej txheem muaj (coil coatings, high-cov khoom coatings, cua- txheej qhuav, hmoov txheej, soving enamels, UV & EB curable coatings).
Architectural coatings (cov xim latex, dej-raws li txheej, hnyav-raws li txheej).
Ntoo coatings, marine coatings, thawv txheej.
2. Plastics & Engineering Plastics Kev Lag Luam
Barium sulfate ua haujlwm raws li cov khoom siv ntxiv hauv cov khoom yas, zoo tagnrho rau cov yas hloov xws li PP, ABS, nylon, thiab lwm yam.
Lub luag haujlwm tseem ceeb
Txhim kho qhov ntev stability, rigidity, thiab kub tsis kam.
Enhances nto gloss thiab hardness.
Txhim kho tshuaj tiv thaiv.
Txo shrinkage thiab deformation.
Ib nrab hloov titanium dioxide kom txo cov nqi tsim khoom.
Tej kev siv
Hloov kho PP / ABS
PVC yeeb nkab, profiles, nplooj ntawv
Hlau & cable compounds (tsawg- pa taws xoom-halogen cables)
Thermoplastics, thermosetting plastics
SBS cov nplooj ntawv
Cov khoom siv hauv tsev plhaub, cov khoom siv tsheb
3. Kev lag luam roj hmab
Barium sulfate yog siv los ua tus muab tub lim thiab qhov hnyav hauv cov khoom siv roj hmab.
Lub luag haujlwm tseem ceeb
Txhim kho hardness thiab abrasion tsis kam
Txhim kho acid / alkali tsis kam thiab dej tsis kam
Muab kev txhawb zog zoo rau ntuj thiab hluavtaws roj hmab
Txhim kho kev ua haujlwm zoo
Txo cov nqi thiab nce nyiaj txiag efficiency
Tej kev siv
Cov log tsheb, hoses, siv
Cov ntsaws ruaj ruaj, gaskets
Roj hmab soles
Cov khoom siv roj hmab
4. Kev Kho Mob Field (Core Specialty Application)
Barium sulfate plays lub luag haujlwm irreplaceable nyob rau hauv kev kho mob kev lag luam.
Medical Contrast Agent
Gastrointestinal contrast agent: absorbs X-rays hauv plab hnyuv rau radiography.
Insoluble hauv dej, tsis nqus los ntawm tib neeg lub cev, kev nyab xeeb siab.
Kom meej meej qhia digestive tract morphology rau kev kuaj kab mob.
Radiation Shielding Materials
Absorbs X-rays thiab-rays rau kev tiv thaiv hluav taws xob.
Siv hauv tsev kho mob hluav taws xob tiv thaiv phab ntsa.
5. Printing Ink Industry
Barium sulfate ua hauj lwm raws li ib tug ua hauj lwm muab tub lim thiab expander pigment nyob rau hauv inks.
Lub luag haujlwm tseem ceeb:
Regulates rheology thiab printability
Txhim kho zais lub zog thiab gloss
Txhim kho kom qhuav thiab adhesion
Ua raws li ib tug extender rau printing inks
6. Ntawv ua kev lag luam
Barium sulfate yog siv los ua tus neeg sawv cev txheej txheej thiab muab tub lim hauv ntawv tsim.
Cov ntawv thov tseem ceeb:
Nto txheej rau cov ntawv thaij duab thiab cov ntawv kos duab coated
Txhim kho whiteness, smoothness, thiab printability
Txhim kho opacity thiab gloss
7. Roj teeb & Electronics Kev Lag Luam
Barium sulfate yog siv los ua cov khoom siv ntxiv hauv cov hmoov lead-acid roj teeb.
Lub luag haujlwm tseem ceeb:
Raw khoom thiab muab tub lim rau roj teeb
Txhim kho roj teeb kev ua haujlwm thiab kev pabcuam lub neej
Muab cov khoom siv hauv cov khoom siv hluav taws xob
8. Ceramics & iav kev lag luam
Barium sulfate yog dav siv hauv ceramic thiab iav khoom.
Lub luag haujlwm tseem ceeb:
Clarifying agent rau iav: defoaming thiab gloss li
Additive rau ceramic lub cev thiab glazes
Txhim kho whiteness thiab lub zog ntawm ceramics
Raw khoom rau enamel kev lag luam
9. Kev lag luam tshuaj pleev ib ce
High-purity barium sulfate yog siv los ua cov xim dawb ntxiv hauv cov tshuaj pleev ib ce.
Cov ntawv thov tseem ceeb:
Cov hmoov, cov hmoov xoob, qhov muag ntxoov ntxoo, thiab lwm yam xim pleev xim
Txhim kho lub zog zais thiab nthuav dav
Muab cov tawv nqaij zoo nkauj zoo nkauj thiab luster
10. Cov khoom siv sib txhuam
Barium sulfate yog siv los ua ib qho kev ua haujlwm hauv cov ntaub ntawv sib txhuam.
Cov ntawv thov tseem ceeb:
Nres ncoo, clutch ntsib
Txhim kho kev puas tsuaj thiab thermal stability
Tswj kev sib txhuam coefficient thiab txhim kho kev ua haujlwm braking
11. Lwm yam kev siv
- Textile kev lag luam: sizing tus neeg saib xyuas
- Copper smelting: flux
- Artificial Ivory: raw khoom
- Elastic adhesives thiab sealants
- Cov ntaub ntawv yees duab: kev tsim cov ntawv thaij duab
- Xim muab tshuaj txhuam kev lag luam
- Raw khoom rau kev tsim lwm yam barium ntsev
Ntu 4: Khoom Specifications & Technical Parameters
Khoom Series Table
|
Yam khoom |
Qib / Specification |
BaSO₄ Cov ntsiab lus (%) |
Dawb (%) |
D50 (μm) |
Ntsiab nta |
Cov ntawv thov tseem ceeb |
|
Ntuj Barium Sulfate |
325-3000 mesh |
Ntau dua lossis sib npaug li 95 |
90–95 |
5–45 |
Tus nqi qis, ntau raw khoom |
Cov khoom siv hauv tsev, cov khoom siv dav dav |
|
Precipitated Barium Sulfate |
Qib Industrial |
Ntau dua lossis sib npaug rau 97.0 |
Ntau dua lossis sib npaug li 92 |
2–10 |
High purity, zoo whiteness |
Txheej, roj hmab, roj teeb |
|
Siab -Purity Barium Sulfate |
High- qib purity |
Ntau dua lossis sib npaug rau 97.5–98.0 |
Ntau dua lossis sib npaug li 97 |
0.6–0.8 |
High whiteness & purity, qis Fe |
High- cov txheej txheem kawg, cov ntawv sau, cov yas |
|
Hloov kho Ultrafine Barium Sulfate |
Ultrafine hloov kho |
Ntau dua lossis sib npaug rau 97.0 |
Ntau dua lossis sib npaug li 99 |
0.3–0.4 |
Organically hloov kho, zoo heev dispersibility |
Engineering plastics, tshuaj pleev ib ce, high -coatings kawg |
|
Siab -Dispersion Barium Sulfate |
Siab -dispersion |
Ntau dua lossis sib npaug rau 97.0 |
Ntau dua lossis sib npaug li 97 |
0.7–1.2 |
Zoo heev dispersibility |
Hmoov txheej, pleev xim |
|
Pharmaceutical Qib Barium Sulfate |
Qib kho mob |
Ntau dua lossis sib npaug rau 98.5 |
Ntau dua lossis sib npaug li 96 |
1–5 |
Sterile, siab purity |
Gastrointestinal contrast, tshuaj excipients |
Cov ntaub ntawv Technical
|
Yam khoom |
GB/T 2899-2008 Qib 1 |
Siab -Purity Barium Sulfate |
Hloov kho Ultrafine Precipitated Barium Sulfate |
|
BaSO₄ (lub hauv paus qhuav), % Ntau dua lossis sib npaug |
97.0 |
97.5 |
97.0 |
|
Moisture, % Tsawg dua lossis sib npaug |
0.30 |
0.20 |
0.20 |
|
Dej -soluble teeb meem, % Tsawg dua los yog sib npaug |
0.30 |
0.30 |
0.15 |
|
Hlau (Fe), % Tsawg dua lossis sib npaug |
0.006 |
0.004 |
0.0015 |
|
Dawb, % Ntau dua lossis sib npaug |
92.0 |
97.0 |
99.0 |
|
Roj Absorption, g / 100 g |
10–30 |
15–25 |
10–30 |
|
Tus nqi pH |
5.5–9.5 |
5.5–9.5 |
6.5–9.0 |
|
325-Mesh Residue, % Tsawg dua lossis sib npaug |
0.2 |
0.2 |
0.08 |
|
Particle Loj Distribution<10 μm |
80 |
95 |
– |
|
Particle Loj Distribution<5 μm |
60 |
90 |
– |
|
Particle Loj Distribution<2 μm |
25 |
80 |
– |
|
D50 (μm) |
– |
0.6–0.8 |
0.3–0.4 |
Lub cev muaj zog
|
Yam khoom |
Index |
|
Molecular Formula |
BaSO₄ |
|
Molecular Luj |
233.39 |
|
Qhov ntom |
4.5 g / cm³ |
|
Melting Point |
1580 degree |
|
Decomposition kub |
Tshaj 1600 degree |
|
Refractive Index |
1.64 |
|
Mohs Hardness |
3–3.5 |
Cim npe nrov: Suav teb ba sulfate manufacturers, lwm tus neeg, Hoobkas
