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Ground Calcium Carbonate

Calcite-based GCC powder and sand, 10 mesh to 3000 mesh, CaCO₃ 88–98%, whiteness 75–97. Produced in our own plant in Haicheng, China. Custom specification, free samples, third-party inspection available.

HS code: 283650 10 specifications 10 mesh – 3000 mesh

Overview

Ground Calcium Carbonate — TDHX Minerals, China

Ground calcium carbonate is the workhorse filler of the mineral industry: bright, chemically stable, low in oil absorption and inexpensive per tonne. We produce it from selected calcite in two families — powder for plastics, coatings, rubber and paper, and coarse calcite sand at 10, 20 and 40–80 mesh for terrazzo, artificial stone, mortar and industrial flooring. Our calcium carbonate standard TDHX-CC-2023-07 specifies CaCO₃ 88–98%, moisture ≤1% and whiteness 75–97%, with D50 between 2.9 and 7.5 µm depending on the grade.

At a glance

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Related industries

Plastics

Mineral powders serve as functional fillers in plastic manufacturing, improving mechanical strength, dimensional stability, and heat resistance…

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Coatings & Paint

Our mineral powders enhance coating opacity, brightness, and weather resistance. They serve as extender pigments that improve film properties and…

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Frequently Asked Questions

What is the difference between your calcium carbonate powder and calcite sand?

Calcium carbonate powder (GCC) covers 325–2500 mesh for filler and coating use. Calcite sand is a coarse granular product (10, 20 and 40–80 mesh) used as decorative aggregate for terrazzo, artificial stone, mortar and industrial flooring.

What CaCO₃ content and whiteness can you achieve?

CaCO₃ ranges from 88% to 98% for standard grades and 20%–97% for customised grades; whiteness ranges from 75 to 97. Batch test reports are issued for every shipment.

Do you supply food-grade or cosmetic-grade calcium carbonate?

Our 2500 mesh ultra-fine grade with CaCO₃ ≥ 96% and whiteness 93 is used as a cosmetic and food-grade auxiliary filler. Dust-proof professional packaging and OEM labelling are available.

How is the powder packed and shipped?

Standard packing is 25 kg or 50 kg woven bags, paper-plastic composite bags, kraft paper bags and 1000 kg / 1250 kg tonne bags. We load 25–27 tonnes per 20 ft container and ship from Dalian or Yingkou port.

Need a custom specification?

Tell us your target mesh size, whiteness and application. We send samples and a quotation within 24 hours.

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