Calcium Carbonate
CAS 471-34-1 · CaCO3 · HS 2836.50
Calcium carbonate (CaCO3, CAS 471-34-1) is the worlds highest-volume mineral filler, supplied as ground calcium carbonate (GCC) produced by milling high-purity limestone, marble or chalk, or as precipitated calcium carbonate (PCC) synthesised by carbonation of lime for tighter particle-size control and higher brightness. It is used to reduce compound cost, raise stiffness and impact strength, improve dimensional stability and, in paper, to raise brightness and opacity. Buyers compare CaCO3 assay, whiteness, D50 and D97 particle size, oil absorption and whether the grade is surface treated with stearic acid for polyolefin compatibility.
Сценарии применения
- PVC pipes, profiles and cables
- Polyolefin masterbatch and compounds
- Paper filling and coating
- Architectural and industrial paints
- Sealants and adhesives
- Construction dry-mix mortars
Типовые характеристики
| CAS Number | 471-34-1 |
|---|---|
| Molecular Formula | CaCO3 |
| Type | GCC / PCC |
| CaCO3 Assay | ≥ 98.0% |
| Whiteness | ≥ 94% |
| Particle Size D50 | 1.5 - 15 µm (grade dependent) |
| HS Code | 2836.50 |
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Поставщики Calcium Carbonate
6 qualifiedZibo, Shandong, China · Est. 1998
Достоверность данных 95% · Online verified · Claim Pending
- Guangdong Xinhai Chemical Co., Ltd.Производитель
Jiangmen, Guangdong, China · Est. 2004
Достоверность данных 94% · Not verified · Claimed
Quzhou, Zhejiang, China · Est. 2001
Достоверность данных 93% · On-site verified · Featured
Guilin, Guangxi, China · Est. 2002
Достоверность данных 93% · Online verified · Verified
- Anhui Guotai Fine Chemicals Co., Ltd.Производитель
Hefei, Anhui, China · Est. 2011
Достоверность данных 88% · Not verified
- Yunnan Dianchi Mineral Processing Co., Ltd.Производитель
Kunming, Yunnan, China · Est. 2008
Достоверность данных 83% · Not verified
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