Uncoated · ultra-white masterbatch grade
Ground Calcium Carbonate
Natural calcite ground to 5–10 micron, at 96.5% whiteness. Bulk extender for filler masterbatch, paints, putties and EVA footwear, where cost per tonne and colour consistency decide the order.
Typical values
| Particle size (D50) | 5.0 – 10.0 microns available |
|---|---|
| Whiteness / brightness | 96.5% minimum |
| CaCO₃ content | 99.0% pure calcite |
| Moisture content | 0.10% maximum |
| Refractive index | 1.59 |
| Specific gravity | 2.7 |
These are typical values from regular production, not a contractual specification. A Certificate of Analysis can be arranged on request — tell us at the enquiry stage. If you need a tighter window on any parameter, ask us before ordering and we will confirm what is achievable.
Supply & packing
| Minimum order | 5 tonnes |
|---|---|
| Packing | 50 kg multi-wall HDPE bags |
| Availability | On order · 72-hour dispatch across AP & TS |
| Monthly capacity | 500 tonnes |
Pricing is quoted against your monthly contracted tonnage and delivery location. Send us the grade and quantity and we will come back with a landed price.
Applications
Where it is used
Colour & filler masterbatch
Foundational filler on compounding lines, for whiteness and structural bulk.
Paints, primers & wall putty
Effective pigment extender in emulsion paints and architectural putties.
EVA footwear & rubber
Adds tear resistance and stiffness in EVA sheet, chappal soles and moulded rubber.
Thermoset plastics
Suited to sheet moulding (SMC) and bulk moulding (BMC) compounds.
On your floor
What it changes
- High natural whiteness cuts the titanium dioxide you need to buy
- Low oil absorption keeps formulation cost down
- 99% purity means no interference with polymers or stabilisers under heat
- Multiple micron grades from one supplier
Also known as
Uncoated CaCO₃ · Natural calcite powder · Ground limestone powder · Paint extender powder
Send us the grade and the tonnage. We will send the sample.
Free samples reach most plants in Telangana & Andhra Pradesh within 72 hours. For activated calcium carbonate we send a free 25 kg commercial trial batch — enough to run on the machine, not just look at.