Calcium-zinc stabilizer plays a crucial role in the production of SPC flooring (Stone Plastic Composite flooring), which is widely used for its durability and aesthetic appeal. Below are the key functions of calcium-zinc stabilizers in SPC flooring:

1. Improving Thermal Stability

During the manufacturing process of SPC flooring, high temperatures are often used to process the raw materials. Calcium-zinc stabilizers effectively prevent PVC materials from degrading under high heat, avoiding issues like discoloration, bubbling, and surface roughness. This ensures the quality and appearance of the flooring. Since SPC flooring typically contains PVC, the thermal stability provided by calcium-zinc stabilizers is essential to maintain product integrity during production.

2. Enhancing Weather Resistance

SPC flooring is commonly used in both residential and commercial spaces, where it may be exposed to sunlight, humidity, and temperature fluctuations. Calcium-zinc stabilizers improve the weather resistance of SPC flooring by enhancing its UV resistance and preventing oxidation. This helps to maintain the color and surface quality of the flooring over time, thus extending its lifespan.

3. Improving Processability

The production of SPC flooring involves high-temperature processes like extrusion and calendering. Calcium-zinc stabilizers help improve the flow properties of PVC during processing, making the material easier to work with and reducing wear on equipment. This leads to fewer production defects and better efficiency in the manufacturing process.

4. Environmental Benefits

SPC flooring is known for being an environmentally friendly option because its production avoids the use of harmful substances like lead and cadmium. Calcium-zinc stabilizers are non-toxic and free from heavy metals, making them a safer alternative to traditional lead-based stabilizers. This aligns with international environmental standards, enhancing the appeal of SPC flooring in markets with strict health and environmental regulations, especially for applications in homes, schools, and healthcare settings.

5. Improving Surface Finish and Quality

Calcium-zinc stabilizers also contribute to a smoother and more polished surface on SPC flooring. They help improve the flow of PVC material, leading to a more uniform texture and a glossy, smooth finish. This enhances both the aesthetic appeal and tactile feel of the flooring, contributing to a better overall product quality.

6. Reducing Harmful Emissions

By using calcium-zinc stabilizers, SPC flooring avoids the release of harmful substances, such as lead, that can occur with traditional stabilizers. This makes SPC flooring safer for indoor air quality and healthier for the environment, making it a more sustainable and eco-friendly choice.

Summary

The primary functions of calcium-zinc stabilizers in SPC flooring are to improve thermal stability, weather resistance, and processability, while enhancing surface quality and ensuring environmental safety. They play an essential role in producing high-quality, durable, and eco-friendly flooring that meets the increasing demand for safe and sustainable building materials. As environmental standards continue to tighten, calcium-zinc stabilizers have become an indispensable component of SPC flooring production, especially in applications where health and safety are a priority.