Mach Direct’s uncoated (natural) ground calcium carbonate (GCC) is milled from premium Egyptian limestone, delivering high whiteness (90–98% reflectance), ≥98% CaCO₃ purity, and a consistent particle size distribution across all grades. It is the cost-effective choice for applications where surface modification is not required.
Key Properties
•Purity: ≥98% CaCO₃
•Whiteness: 90–98% reflectance
•Particle range: D50 1.4 μm (Mach 70) to D50 7.0 μm (Mach 4)
•Alkaline pH ~9–10, suitable for construction and paper
•Available in 25 kg bags, big bags (1,000 kg), and bulk
Industrial Applications
|
Industry |
Application |
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Paper |
Filler and coating pigment, improving opacity and printability |
|
Paints & Coatings |
Extender pigment, matting agent, cost-effective filler |
|
Construction |
Cement additive, asphalt filler, tile adhesives, sealants |
|
Plastics (rigid) |
PVC pipes, profiles and sheets; thermoset composites |
|
Rubber |
Semi-reinforcing filler in belts, tyres and footwear |
|
Agriculture |
Soil conditioner, pH neutralisation |
|
Food & Pharma |
Food-grade E170 additive, pharmaceutical excipient |