NUVELLIS Ca-Zn Calcium-Zinc Stabilizer
High-Efficiency Organotin Replacement · Low Dosage · Wide Processing Window · Safe & Eco-Friendly

NUVELLIS Ca-Zn stabilizer powder and microgranules

NUVELLIS Ca-Zn stabilizer powder and microgranules
Product Overview
NUVELLIS Ca-Zn calcium-zinc stabilizer is a core product developed by Nuvellis Chemtech for rigid PVC extrusion and injection molding applications. Available in two forms—NC Powder ultra-fine powder and MicroGranule low-dust micro-granules—it integrates seamlessly with conventional plastic pipe extruders and pipe-fitting injection molding machines. With outstanding thermal stabilization efficiency, low dosage requirements and excellent processing performance, NUVELLIS Ca-Zn stabilizers help customers effectively replace organotin stabilizers and outperform conventional Ca-Zn and lead-based systems.
Every stabilizer formulation starts with the question, “How will it perform in the factory?” By understanding the real interactions among temperature, torque, shear and formulation, we design systems that deliver stable viscosity, uniform plasticization, fewer process fluctuations and more predictable output on the production line.
Key Benefits
- Flexible Product Forms: NC Powder offers optimal distribution, large active surface area and excellent dry-blend mixing; MicroGranule provides extremely low dust, high flowability and accurate dosing for automated feeding.
- Efficient Replacement: Replaces organotin stabilizers across multiple formulation systems, with significantly lower dosage than traditional Ca-Zn or lead-based systems.
- Performance Enhancement: Significantly improves PVC pipe hydrostatic strength, hoop stress resistance and tensile strength, and increases the Vicat softening point of fittings.
- Broad Size Range: Suitable for PVC pipes from OD 16 mm to OD 1600 mm, covering pressure pipes, non-pressure pipes, PVC-O pipes, fittings and conduit pipes.
- Safe & Eco-Friendly: Non-toxic formulation, RoHS and SGS compliant, meeting the requirements of safe and modern production.
- Strong Thermal Stability: Provides consistent dynamic thermal stability under varying processing conditions, offering a wider processing window and smoother operation.
Applications
PVC Pressure Pipes PVC Non-Pressure Pipes PVC-O Pipes PVC Pipe Fittings PVC Conduit Pipes

PVC Drainage Pipes

PVC Electrical Conduit Pipes

PVC Industrial Utility Pipes

PVC Large-Diameter Pressure Pipes

PVC Pressure Water Pipes

PVC Sewer Pipes

PVC Ventilation Pipes

PVC-O Pipes
Typical Formulation Reference
| Component | PVC Pipe Formulation 1 | PVC Pipe Formulation 2 | PVC Pipe Formulation 3 | PVC Fitting Formulation |
| PVC Resin | 100 | 100 | 100 | 100 |
| Calciun Carbonate CaCO₃ | 2 | 25 | 60 | 5 |
| NUVELLIS Stabilizer | 1–1.5 | 1–1.5 | 1.2–1.7 | 2.6–3.2 |
| Lubricants | 1–1.5 | 1–1.5 | 1.8–2.3 | 1.5–2.2 |
Note: The above formulations are for reference only. Actual dosage should be adjusted based on raw materials, equipment and product standards, and confirmed by trials.
Quality & Compliance
NUVELLIS Ca-Zn stabilizers are fully non-toxic and compliant with RoHS and SGS requirements, making them suitable for modern, environmentally responsible PVC production. Comparative dynamic thermal stability tests show that NUVELLIS calcium-zinc stabilizers deliver overall thermal stability comparable to organotin stabilizers, significantly superior to conventional Ca-Zn systems and better comprehensive performance than standard composite lead stabilizers. This wider processing window gives pipe manufacturers greater operational flexibility and confidence.
Technical Support
From plant diagnosis, formulation customization and sample trials to process optimization and full after-sales service, the Nuvellis team provides one-on-one technical support. Our chemical engineers and extrusion process engineers can visit your facility to help you transition smoothly from organotin or lead-based systems to Ca-Zn, ensuring higher and more stable output.
Get In Touch
We believe in partnership beyond product supply. Our technical team provides 24/7 support