Plastics & Polymers
Ground calcium carbonate (GCC) delivers significant benefits across numerous plastic and polymer applications. From PVC cables and pipes to masterbatch and rubber moldings, our coated and natural GCC grades enhance rigidity, mechanical properties, and processing efficiency while substantially reducing material costs.
Our exceptionally white limestone products are particularly valuable for use in uPVC and other polymer applications. The stearic acid coating on our “T” grades ensures optimal compatibility with polymer matrices, resulting in superior dispersion, improved mechanical properties, and higher filler loading capacity without compromising the physical characteristics of the final product.
Applications & Recommended Grades:
Cables
| Detail | Info |
|---|---|
| Recommended Grades | M8T, M10T, M12T |
| Product Type | Stearic Acid Coated GCC |
| Key Benefits | Desired electrical, mechanical, and thermal properties for PVC cable insulation and sheathing compounds |
Masterbatch
| Detail | Info |
|---|---|
| Recommended Grades | M8T, M10T, M12T, M15T |
| Product Type | Stearic Acid Coated GCC |
| Key Benefits | High dispersion, consistent color, excellent carrier compatibility |
Pipes & Fittings (uPVC)
| Detail | Info |
|---|---|
| Recommended Grades | M15T, M18T, M20T |
| Product Type | Stearic Acid Coated GCC (fine particle size) |
| Key Benefits | Good mechanical and optical properties, required toughness and tensile strength for pressure and non-pressure pipes |
Rubber Moldings & Extrusions
| Detail | Info |
|---|---|
| Recommended Grades | M15T, M18T, M20T |
| Product Type | Coated GCC |
| Key Benefits | Exceptional whiteness, good dispersion, low oil absorption — excellent filler for rubber compounds |
Why Calcium Carbonate in Plastics?
- Increased Rigidity — Enhances stiffness and dimensional stability
- Improved Tensile Strength — Reinforces the polymer matrix
- Enhanced Impact Strength — Better resistance to mechanical stress
- Higher Filler Loading — Reduces polymer consumption and overall cost
- Better Processing Flow — Improves melt flow and extrusion performance
- Superior Surface Finish — Maintains whiteness and smooth appearance
- Thermal Stability — Contributes to heat resistance in PVC compounds
- Electrical Insulation — Supports dielectric properties in cable compounds