Polyvinyl chloride (PVC) is a widely used polymer in countless industries, valued for its versatility and cost-effectiveness. However, PVC is inherently susceptible to degradation when exposed to heat and light during processing and throughout its service life. This necessitates the use of stabilizers, which are crucial additives that protect the polymer chain. Among the various types of stabilizers available, lead salt composite stabilizers have historically been significant processing aids, known for their robust performance.

NINGBO INNO PHARMCHEM CO.,LTD. offers a High-Quality Lead Salt Composite Stabilizer, specifically developed to address the thermal and processing challenges associated with PVC. This product is supplied as a fine, white powder, engineered for optimal dispersion and effectiveness. A key feature of composite lead salt stabilizers is their advanced manufacturing process, which often involves techniques like co-melting metal soaps and other components with the lead salts. This results in an integrated product, simplifying the formulation process for PVC compounders and ensuring consistent quality and performance.

One of the most notable advantages of this Lead Salt Composite Stabilizer is its exceptional thermal stability. It effectively prevents dehydrochlorination of PVC at high processing temperatures, extending the processing window and allowing for higher throughputs without compromising the polymer's integrity. This superior heat stability translates directly into durable finished products with reliable mechanical properties. Beyond thermal performance during manufacturing, the stabilizer also imparts good long-term heat stability to the final article.

In addition to thermal protection, the product provides excellent weather resistance. This is particularly important for outdoor applications such as PVC profiles for windows and doors, and certain types of piping. The stabilizer helps the PVC retain its physical properties and appearance when exposed to UV radiation and varying environmental conditions. Furthermore, it possesses antioxidant and light stabilizing properties, contributing to the overall longevity and performance of the PVC product.

The processing benefits of using this Lead Salt Composite Stabilizer are also substantial. It offers balanced and efficient lubricity, which is critical for smooth material flow in processing equipment like extruders and injection molding machines. This lubrication helps reduce friction and wear, leading to smoother processing operations. The stabilizer promotes uniform plasticization of the PVC compound, ensuring consistent material properties throughout the melt. This results in finished goods with improved surface finish, reduced surface defects, and more uniform wall thickness, essential for quality pipes and profiles.

The dispersibility of a stabilizer powder within the PVC matrix is crucial for its effectiveness. The High-Quality Lead Salt Composite Stabilizer from NINGBO INNO PHARMCHEM CO.,LTD. is designed for good dispersibility, ensuring that the stabilizing and lubricating components are evenly distributed throughout the compound. This homogeneous distribution is vital for achieving optimal performance and contributes to enhanced physical properties in the final product, including improved impact resistance, making the articles less brittle.

The applications for Lead Salt Composite Stabilizer are diverse, reflecting the versatility of PVC itself. It is widely used in the production of rigid PVC pipes and fittings for water and drainage systems, electrical conduits, and other plumbing applications. It is also a common additive in PVC profiles used in construction, such as window and door frames, siding, and fencing. Other significant applications include rigid and flexible PVC sheets, injection molded parts, blow molded films, and cable sheathing, where electrical properties and flexibility are often required.

Technical properties of this powder additive include a melting temperature typically at or above 70.0 ºC and a density greater than or equal to 1.9 g/ml. The heating decrement is maintained at a low level, usually 3.0 % or less, indicating minimal volatile content. These specifications highlight the consistent quality of the product. Proper storage is essential to maintain its performance; it should be kept in a ventilated and dry area, shielded from moisture, direct sunlight, and high temperatures, ideally below 40 ºC. It should also be stored away from fire hazards and incompatible chemicals. The standard packaging is a 25kg bag, typically a paper-plastic composite or woven bag with an inner plastic liner, designed for safe transport and handling. With correct storage, the product generally maintains its efficacy for at least two years.

In summary, the High-Quality Lead Salt Composite Stabilizer provided by NINGBO INNO PHARMCHEM CO.,LTD. is a highly effective raw material additive for PVC processing. Its capabilities in delivering superior thermal stability, weather resistance, processing efficiency, and enhanced physical properties make it a valuable component in the manufacturing of a wide range of durable PVC products, from construction materials to films and cables. NINGBO INNO PHARMCHEM CO.,LTD. focuses on supplying reliable chemical raw materials for the industry.

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