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Highly purified natural calcium carbonate with consistent particle size distribution.
Excellent brightness and whiteness for enhanced color fidelity in pigment systems.
Low oil absorption for improved formulation efficiency and reduced binder demand.
Good dispersibility in aqueous and solvent-based systems without requiring intensive milling.
Chemically inert and pH-neutral, ensuring compatibility with sensitive resins and additives.
Architectural and industrial waterborne paints.
Printing inks, especially offset and flexographic formulations.
Plastic masterbatches for polyolefins and PVC.
Adhesives and sealants requiring functional filler performance.
Coated paper and board surface treatments.
| Chemical Type | Natural precipitated calcium carbonate (PCC) |
| Product Form | Fine white powder, free-flowing |
| Appearance | White, odorless powder |
| Brightness (ISO 2470-1) | 97.5–98.5% |
| Oil Absorption (g/100 g) | 16–18 |
| Particle Size (D50, µm) | 0.7–0.9 |
| pH (10% slurry) | 9.2–9.6 |
| Loss on Ignition (LOI, %) | 43.5–44.5 |
Q1: What is the primary function of Imerys 0800 Pigment in polymer systems?
A: Imerys 0800 Pigment is a high-purity, surface-treated calcium carbonate grade designed primarily to provide opacity, brightness, and improved dispersion in thermoplastic compounds—especially polyolefins and engineering resins—while supporting consistent color development and process stability.
Q2: Is Imerys 0800 Pigment suitable for food-contact applications?
A: Imerys 0800 Pigment is manufactured under strict quality controls and complies with general food-contact regulations for mineral fillers in many global markets. However, final regulatory compliance depends on the complete formulation, processing conditions, and target jurisdiction—users must validate suitability with their regulatory team and relevant authorities.
Q3: How does Imerys 0800 Pigment differ from standard ground calcium carbonates?
A: Unlike conventional ground calcium carbonates, Imerys 0800 Pigment features a tightly controlled particle size distribution, optimized surface chemistry, and enhanced hydrophobic treatment—enabling superior dispersion in non-polar polymers, reduced agglomeration during compounding, and improved optical performance at lower loadings.
Q4: What are typical handling and storage recommendations?
A: Store in a dry, well-ventilated area away from moisture and direct sunlight. Keep bags sealed when not in use to prevent humidity uptake. Standard industrial handling equipment is suitable; avoid excessive mechanical shear or prolonged high-temperature exposure prior to incorporation.
Q5: Can Imerys 0800 Pigment be used in masterbatch production?
A: Yes—it is widely used in white and pastel-colored masterbatches due to its excellent dispersibility, low abrasivity, and compatibility with common carrier resins such as LDPE, LLDPE, and PP. Optimal performance is achieved with standard twin-screw compounding parameters and appropriate screw design.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
