top of page


National Factory
For Processing & Treating Minerals
Our Products

SILICA SAND
General Specifications
Description: Washed, dried & graded
Shape: Rounded/sub rounded/angular
Specific Gravity: 2.65 Hardness:
Approximately 6 to 7 Moh
Bulk Density: Approx: 1.5 mt/dm³ 1.6 Mt/dm³

SILICA GRAVEL
Description: Washed, dried & graded
Shape: Rounded/sub rounded/angular
Specific Gravity: 2.65 Hardness:
Approximately 6 to 7 Moh
Bulk Density: Approximately 1,600kg/m³
General Specifications
SILICA SAND
General Specifications
Description: Washed, dried & graded
Shape: Rounded/sub rounded/angular
Specific Gravity: 2.65 Hardness:
Approximately 6 to 7 Moh
Bulk Density: Approximately 1,600kg/m³

ANTHTRACITE
General Specifications
Standard size : 1.4 - 2.5 mm / 0.8 - 1.6 mm
or based on customer required specifications