HardRock Calcium

HardRock Calcium is an established and innovative company specializing in the manufacturing and supplying Calcium Carbonate, Ground Magnesium Limestone (GML) and Silica Sand .

CALCIUM CARBONATE POWDER

GCC is delivered to a wide range of manufacturing industries; it is the most economical of all common filler minerals.

DOLOMITE AND GROUND MAGNESIUM LIMESTONE

Dolomitic limestone not only lowers pH but also can supply magnesium in soils that are deficient. GML is used as a soil conditioner

SILICA SANDS

In our production, the raw sand is pre-dried before going through the high temperature burner that is up to 250 degree Celsius