Product Overview
Calcium Zinc PVC Stabilizer (Ca/Zn Stabilizer) is a non-toxic and environmentally friendly stabilizer system designed for the processing of various polyvinyl chloride (PVC) materials. It is widely used as a modern alternative to traditional stabilizers in both rigid and flexible PVC applications.
Ca/Zn stabilizers provide excellent thermal stability, good processing performance, and strong environmental compliance, making them suitable for applications that require lead-free and heavy-metal-free formulations.
Due to their environmentally safe composition, calcium-zinc stabilizers can effectively replace traditional lead-based stabilizers and certain organotin stabilizers in many PVC formulations.
Key Advantages of Calcium Zinc Stabilizers
Environmentally Friendly and Non-Toxic
Calcium zinc stabilizers are free from heavy metals such as lead and cadmium, making them environmentally friendly and safe for many applications. They comply with international environmental standards such as:
- EU RoHS regulations
- SGS environmental testing standards
These characteristics make them suitable for products requiring strict environmental and safety compliance.
Prevention of Discoloration
Ca/Zn stabilizers effectively prevent thermal degradation and discoloration during PVC processing. They help maintain product appearance and avoid problems such as blackening caused by sulfur or lead contamination.
Good Processing Compatibility
Calcium zinc stabilizers offer excellent compatibility with PVC resins and additives. They also provide good switching adaptability, allowing manufacturers to transition from other stabilizer systems without causing cross-contamination in production equipment.
Cost Efficiency
The stabilizer system is relatively lightweight, which allows manufacturers to increase the proportion of inorganic fillers in certain formulations. This can help reduce production costs while maintaining product performance.
Application-Specific Stabilizer Grades
To meet the performance requirements of different PVC products, specialized Ca/Zn stabilizer formulations have been developed for various applications, including:
- PVC Pipe Grade Stabilizers – designed for pipe extrusion with excellent thermal stability and processing performance
- PVC Fitting Grade Stabilizers – optimized for injection-molded pipe fittings
- PVC Foam Board Grade Stabilizers – suitable for foam board production with improved surface quality and stability
- PVC Shoe Grade Stabilizers – used in flexible PVC shoe materials
- SPC Flooring Grade Stabilizers – designed for Stone Plastic Composite flooring applications
Each formulation is tailored to provide optimal thermal stability, lubrication balance, and processing efficiency for the specific PVC product.
