Powder Calcium (Calcium Carbonate) Qhia Txog Cov Khoom

Powder Calcium (Calcium Carbonate, CaCO₃)** yog lub powder inorganic uas siv tau zoo tshaj plaws rau qhov chaw ua haujlwm, uas muaj lub npe tseem ceeb tias "limestone powder" lossis "calcite powder". Nws yog ua los ntawm cov khoob tshuaj ntawm nature lossis ua los ntawm kev ua haujlwm ntawm chemistry, thiab muaj duab li lub powder tsis muaj duab lossis duab npog, tsis muaj roj, muaj kev nyab xeeb ntawm kev ua haujlwm ntawm chemistry thiab muaj kev siv tau zoo heev. Nws siv tau rau ntau yam qhov chaw ua haujlwm, puas taws, qhov chaw ua paus, cov lus ua haujlwm ntawm kev ua paus, cov khoom siv rau kev ua tsev, qhov chaw ua khoom noj, qhov chaw ua khoom tshuaj thiab lwm yam.

I. Qhov Chaw Sib Tham Thiab Cov Cim Tshwj Xeeb

1. Ground Calcium Carbonate (GCC)

Raw Khoom : Calcite zoo, marble, limestone

Kev mus : Kev tua, kev txuas thiab kev sib tham (tsis muaj kev ua haujlwm ntawm chemistry)

Qhov tshwm sim dav ntsuab: Dav ntsuab tshiab uas muaj cov qhov cua tsis raug

Cov Lus Ua Tswv Yim Thib Ob :

Cov CaCO₃: ≥97.0%~98.5%

Cov dav ntsuab: 88%~93%

Cov qhov cua: 325~3000 Mesh (5~50μm)

Cov dav ntsuab hauv qhov chaw: 0.8~1.3g/cm³

Cov nqaij nqaij rau lub qhov cua: 40~60mL/100g

Cov dej: ≤0.3%

Qhov zoo : Ntawm qhov ntau, muaj ntau yam, zoo siab, tsis ntau nqaij nqaij rau lub qhov cua thiab muaj qhov ntau ntawm kev siv

2. Cov Calcium Carbonate Ua Los Ntawm Qhov Cim (PCC)

Kev mus : Kev ua kom pov tseg lub limestone → kev ua kom pov tseg ntxiv → kev ua kom pov tseg ntxiv → kev ua kom pov tseg → kev faib (kev ua kom pov tseg los ntawm kev ua haujlwm)

Qhov tshwm sim : Lub powdor dawb thiab tsis tuaj yeem pom tau, muaj cov kab mob uas muaj rau qhov chaw (spindle/diamond shape)

Cov Lus Ua Tswv Yim Thib Ob :

Cov CaCO₃: ≥98.0%~99.0%

Kev dawb: 92%~96%

Cov kab mob: 1~10μm (nano-grade siv rau 20~100nm)

Kev nyuaj ntawm cov kab mob: 0.5~0.7g/cm³

Kev daws nyob rau hauv lub oil: 60~90mL/100g

Qhov zoo : Zoo heev rau kev ua haujlwm, dawb heev, cov kab mob zoo heev, zoo heev rau kev tso cua, thiab muaj kev txhawb nqa zoo heev

3. Cov calcium carbonate uas tau muab txhawb nqa (Modified)

Kev mus : Kev txhawb nqa rau sab nraud ntawm GCC/PCC qhib qhov tshuaj  (piv txwv li, stearic acid)

Yam ntxwv : Ntawm qhov ntsiab thiab tsis nyob hauv dej ntawm qhov pov, zoo heev rau kev sib koom nrog cov polymer (plastic/rubber)

Qhov zoo : Lag luam qhov muaj kev nyab xeeb, qhov muaj kev nyab xeeb, qhov muaj kev nyab xeeb rau hluav taws, thiab qhov muaj kev nyab xeeb rau kev ua haujlwm

4. Nano Calcium Carbonate

Qhov Loj Qho : 1~100nm

Yam ntxwv : Qhov muaj kev nyab xeeb ntawm qhov cim kev lag luam tshiab

Daim ntawv thov : Plastics tshiab, rubber, cov lus tshuaj, cov lus tshuaj, thiab cov lus tshuaj

II. Cov Qhov Chaw Siv Tseem Ceeb

1. Tswv Yim Khoom Tsoos

GCC : PVC pipes/profiles, films, injection moldings — reduction ntawm cost, nce ntawm volume, ua kom zoo dua ntawm rigidity/heat resistance

PCC/Activated Calcium : High-end plastics, engineering plastics — ua kom zoo dua ntawm toughness, gloss thiab dimensional stability

Nano Calcium : Modified PP/PE, cable materials — reinforcement, toughening, ua kom zoo dua ntawm flexural strength

2. Qhov kev tsim kho tshuab

Tshuab, qhov khaub ncawb, qhov tshuab ntawm qhov ntaus, qhov tshuab ntawm qhov rooj — siv rau hais qhov tshuab, txo qhov loj ntawm qhov tshuab, siv rau hais qhov tshuab nyob zoo, siv rau hais qhov tshuab tsis tuaj yeem tawg, siv rau hais qhov tshuab nyob zoo thaum siv qhov tshuab

3. Qhov kev tsim kho ntawv

GCC : Ntawv tshuab, ntawv siv rau sau cov lus — siv rau hais qhov ntawv, siv rau hais qhov ntawv muaj duab ntsuas, siv rau hais qhov ntawv muaj duab ntsuas thiab muaj duab ntsuas, txo qhov loj ntawm qhov ntawv

 

PCC : Ntawv muaj duab ntsuas, ntawv muaj duab ntsuas — siv rau hais qhov ntawv muaj duab ntsuas, muaj duab ntsuas siab, muaj duab ntsuas siab

4. Cov duab ntsuas / cov duab ntsuas / cov duab ntsuas

Pigment tshiab , rov kho qhov tseem ceeb ntawm titanium dioxide — thickening, anti-settling, ua kom zoo dua qhov cov ntaub ntawv hloov, qhov ntxiv thiab qhov ua kom zoo dua

Inks: Qhia txog qhov viscosity, qhov nyob rau hauv qhov tshuaj, thiab qhov sib koom ua ke rau qhov tshuaj

5. Tswv yim thiab Kev xaiv

Cement, concrete, putty powder, gypsum board, tile adhesive — ua kom zoo dua qhov strength, stability thiab txo qhov cost

6. Txhais thiab Lwm yam (Food Grade/Pharmaceutical Grade)

Txhais: Anti-caking agent, leavening agent, raw material rau calcium supplement (chewing gum, chocolate)

Lwm yam: Calcium tablets, antacids, pharmaceutical excipients ( kev tswj hwm ≥99.0%, cov txiv kub ≤10ppm )

7. Lwm yam

Cov khoom siv rau kev noj, cov khoom siv rau kev kho qhov ntawv, cov khoom siv rau kev muab tshuaj, cov khoom siv rau kev kho qhov ntawv, cov khoom siv rau kev siv nyob hauv tsev, kev kho qhov ntawv rau kev tswj hwm lub vijtse

III. Cov qhov zoo ntawm cov khoom

Kev siv tau ntau : Qhov no yuav pab txo qhov ntau ntawm cov khoom siv rau kev tsim khoom, qhov yuav siv tau ntau tshaj plaws cov khoom siv rau kev tsim khoom uas tsis muaj cov khoom siv ntawm qhov ntawv

Kev ua haujlwm zoo : Tsiaj tsis muaj txoj cai, tsis muaj roj, tsis muaj kev puas, tsis muaj kev puas rau kev puas thiab kev puas rau kev puas, tsis muaj kev puas rau kev puas (stability hauv qhov ntsuas 400℃), tsis muaj kev puas rau kev puas thiab tsis muaj kev puas rau kev puas

Kev siv tau ntau rau kev tsim khoom yoo rau hais tias yuav tsum ua kom zoo, tsis muaj kev puas tsuaj rau cov khoom siv, txhawj xyuam rau kev ua haujlwm ntawm cov khoom siv

Safety thiab Kawg Qhov Tswv Yim tsim los ntawm cov khoob tshuaj ntawm lub ntiaj teb, tsis muaj cov ntaub so, tsis muaj kev tso cua , raws li kev qhia ntawm EU REACH thiab FDA

Cov qhia txog cov khoom siv uas muaj tag nrho : 325~6000 Mesh, tseem ceeb/tshwj xeeb/nano-grade, cov khoom siv rau hais tshuaj thiab rau hais tshuaj nyob rau hauv qhov cua muaj tag nrho

IV. Lus nug rau kev xaiv

Txhawj xyuam rau kev txo cost thiab kev ntxiv ntau dua → Ground Calcium Carbonate (325~1250 Mesh)

Txhawj xyuam rau kev muaj white, kev muaj gloss siab thiab cov ntaub so me me → Precipitated Calcium Carbonate

Plastic/rubber polymer system → Activated (Modified) Calcium Carbonate

Tshuaj zoo tshaj plaws uas xav tau kev ntxiv qhov siab thiab kev ntxiv qhov nyob rau hauv → Nano Calcium Carbonate

Zoo los noj los kho mob → Calcium Carbonate uas tau ua los noj los kho mob / uas tau ua los kho mob