Calcium Carbonate Nigtas 95, Purity : 99%, Grade : Industrial Grade

Niğtaş 95 is an ultra-fine, uncoated natural calcium carbonate produced in Niğde, Turkey. It is characterized by high chemical purity, excellent whiteness, and controlled particle size distribution. The product is manufactured under internationally recognized quality standards including ISO 9001, ISO 14001, ISO 22000, ISO 22716, OHSAS 18001, and ISO 10002.

Chemical Composition:

• CaCO₃: 99.35 ± 0.2%

• MgO: 0.3 ± 0.1%

• SiO₂: < 0.1%

• Fe₂O₃: 0.04 ± 0.01%

• HCl Insoluble: < 0.1%

Technical Properties:

• Whiteness (L, ASTM E-313): > 98.50%

• Brightness (Ry, DIN 6174): > 96.50%

• Moisture (ISO 787-2): < 0.3%

• pH (ISO 787-9): 8.5 ± 1.0

• Hardness: 3 Mohs

• Oil Absorption (ISO 787-5): 21 g/100g

• DOP Absorption (ISO 787-5): 45 g/100g

• Refractive Index: 1.57

• Tap Density: 0.75 g/ml

• Specific Surface Area: 5.00 ± 0.40 m²/cm³

• Mean Particle Size (D50): 1.50 ± 0.15 µm

• Top Cut (D97): 3.60 ± 0.30 µm

• Volume % below 2 µm: 77.0 ± 5.0%

• Sieve Residue on 45 µm (ISO 787-7): < 0.01%

Application Areas:

• Automotive Paints

• Industrial Paints

• UV-Cured Paints

• Marine Paints

• Polisher Paints

• Emulsion Interior and Liner Paints

• Solvent-Based Liner Paints

• Printing Inks

• Paper and Paperboard Industry

• Water Treatment Systems

Packaging Options:

• 25 kg kraft or PP sacks

• 1,000 / 1,250 kg big bags (palletized)

• Sling Bag