Today, as global environmental regulations become increasingly strict and public health awareness continues to rise, the polyvinyl chloride (PVC) pipeline industry is undergoing a profound “lead-free” transformation. Traditional lead salt stabilizers, due to their potential toxicity and environmental risks, are no longer able to meet the highest requirements for material safety in modern water supply, construction, and food industries. In this context, environmentally friendly, efficient, and safe calcium zinc composite heat stabilizers have emerged as the core additives driving the upgrading of the PVC pipeline industry
| Product Name | PVC Stabilizer Calcium Zinc Stabilizer |
| Price | USD0.8-1.5/kg |
| Packaging Details: | 25KG/BAG |
| MOQ: | 1000kg |
| HS Code： | 3812399000 |
Excellent thermal stability and processability: High quality calcium zinc stabilizers can effectively capture hydrogen chloride released during PVC processing through the synergistic effect of calcium soap and zinc soap, inhibiting the “zipper like” reaction that leads to material degradation. For example, products with professional formulas can provide PVC mixtures with good uniform plasticization and high-speed melt flowability, resulting in a smooth surface of the product. Research and application have shown that calcium zinc stabilizers with excellent performance can be comparable or even superior to imported similar products in terms of processing stability and thermal stability.
Overcoming the problem of “zinc burning”: Traditional zinc stabilizers are prone to “zinc burning” under long-term thermal action, leading to rapid blackening and degradation of PVC. Modern calcium zinc stabilizers can form complexes with zinc ions by introducing auxiliary stabilizers such as polyhydroxy compounds (such as pentaerythritol) and β – diketones, effectively passivating their activity and significantly extending long-term thermal stability, ensuring the stability of pipeline performance throughout the entire processing and use cycle.
Comprehensive hygiene and environmental safety: Calcium zinc stabilizers do not contain heavy metals such as lead and cadmium, eliminating the risk of heavy metal ions migrating through drinking water or contact from the source. They fully comply with international environmental regulations such as RoHS, REACH, EN-71, and national drinking water hygiene standards. This makes PVC pipes produced using this stabilizer particularly suitable for fields with high hygiene requirements such as drinking water transportation and the food industry.
| Pipe Type | Core Performance Requirements | Solutions Provided by Calcium-Zinc Stabilizers |
|---|---|---|
| Water Supply Pipes (especially PVC-M) | High impact resistance, high hygiene standards, long-term durability | Provide excellent thermal stability and initial color retention, and exhibit good synergy with impact modifiers, ensuring the mechanical properties of pipes meet standards. |
| Drainage/Building Pipes | Good chemical corrosion resistance, weather resistance | Imparts excellent weather resistance to products, suitable for outdoor and underground burial environments, with strong resistance to exudation. |
| Electrical Conduits | Good electrical insulation | Possesses excellent electrical insulation properties, meeting the volume resistivity requirements for wire and cable materials. |
| Special Purpose Pipes (e.g., mining) | Flame retardancy, antistatic properties | Through special formulation design, can meet composite functional requirements such as flame retardancy and antistatic properties, expanding application boundaries. |
Selection and Service: The Key to Maximizing Value
Faced with the diverse range of calcium zinc stabilizer products on the market, pipeline manufacturers need to make scientific selections and rely on the deep technical services of suppliers to achieve the best application results.
Accurate selection suggestion: It is usually recommended to add 2-5 parts (phr) of the total amount of PVC resin. For PVC-M water supply pipes that emphasize high impact resistance, specialized models that are compatible with the impact resistant modified system should be selected; For ordinary drainage pipes, a universal model with high cost-effectiveness and excellent lubrication balance can be selected. Solid powder stabilizer has good lubricity and is suitable for hard pipes; Liquid stabilizers have better transparency and dispersibility, making them suitable for soft products with special requirements.
Deep technical service value: Leading suppliers not only provide products, but also offer a complete set of solutions from formula customization, process optimization to production problem solving. For example, adjusting the lubrication system according to the customer’s equipment operating conditions can help customers re-establish a perfect balance between plasticization and lubrication when transitioning from a lead salt system to a calcium zinc system, and solve problems such as excessive plasticization or insufficient plasticization. This “product+technology” service model can significantly reduce customers’ research and development costs, improve production efficiency and product qualification rate.
You can get a price of this model or send us any question to get any information you would like to know, we will reply to you soonest.