In the production of PVC transparent calendered sheets, the selection and use of PVC stabilizers directly determine the transparency, heat resistance, stability, and service life of the product. However, many manufacturers often encounter issues related to stabilizers during production, which affect product quality and production efficiency. Today, we will delve into these common problems and provide professional solutions to help you easily address production challenges!
Reduced Transparency: A Key Issue Affecting Product Aesthetics
One of the core selling points of PVC transparent calendered sheets is their high transparency. However, improper selection or excessive addition of stabilizers may lead to a decrease in sheet transparency, affecting the product’s appearance and market competitiveness.
Solution: Choose transparent stabilizers with excellent compatibility with PVC and strictly control the addition ratio to ensure clear and bright sheets.
Yellowing: A Typical Sign of Insufficient Thermal Stability
During high-temperature calendering, if the stabilizer’s thermal stability is insufficient, PVC is prone to decomposition, causing the sheets to yellow, which severely impacts product quality.
Solution: Use high-efficiency thermal stabilizers and optimize processing temperatures to avoid overheating and decomposition.
Stabilizer Migration: A Hidden Threat to Product Performance
If the stabilizer has poor compatibility with PVC, it may migrate to the surface of the sheet, causing blooming. This not only affects appearance but may also reduce the product’s physical properties.
Solution: Select stabilizers with excellent compatibility with PVC and avoid migration issues through scientific formulation.
Insufficient Thermal Stability: A Common Challenge in Processing
PVC is prone to decomposition during high-temperature processing. If the stabilizer’s thermal stability is insufficient, it may lead to defects such as bubbles and black spots in the sheets.
Solution: Choose high-efficiency thermal stabilizers and optimize processing parameters to ensure stable production.
In the production of PVC transparent calendered sheets, stabilizers are crucial. As a manufacturer of stabilizers, TopJoy Chemical has been dedicated to providing high-efficiency and environmentally friendly PVC stabilizers for many years, helping to address issues such as reduced transparency, yellowing, migration, etc. TopJoy Chemical’s products can significantly improve the quality of PVC products and ensure stable and efficient production. If you are also facing these common issues, please contact us immediately to learn more about our PVC stabilizer products and get our technical support!
Post time: Feb-13-2025