In PVC processing, selecting the optimal combination of lubricants from the numerous available options has become a core challenge for formulation designers. An ideal lubricant system must possess the following characteristics:
1. Excellent Dispersibility and Synergy: Ensures uniform dispersion of all components and synergistic effects with the stabilizer system.
2. High-Efficiency Demolding and Discoloration Prevention: Provides effective demolding and suppresses thermal discoloration tendencies during processing.
3. Long-Term Processing Stability: Maintains consistent performance throughout the entire processing cycle.
Low-Density Oxidized Wax EP629: A Simple and Efficient Lubrication Solution
The low-density oxidized wax EP629 is specifically designed to optimize the lubricant system in PVC stabilizers. It is particularly well-suited for applications such as profiles, pipes, sheets, wires & cables, and transparent products. Its core advantages are manifested in two key areas:
1. Significantly Optimizes Processing Performance:
Promotes Plastification: Effectively enhances plastification speed.
Reduces Exudation: Significantly lowers the risk of die exudates (such as fiber-like exudates or "sweating").
2. Comprehensively Improves Product Quality:
Excellent Dispersibility: Achieves good dispersion within the system.
High-Efficiency Demolding: Provides outstanding demolding performance.
Polar Design: Effectively Mitigating Exudation Risk
Small-molecule esters and non-polar waxes are highly prone to exudation during PVC processing. As a polar internal/external lubricant, EP629 exhibits excellent compatibility with PVC. This effectively inhibits the tendency for exudation and reduces the formation of fiber-like die exudates.
Outstanding Performance:
Enhanced Plastification and Torque Balance: Compared to commonly available low-density oxidized waxes on the market, EP629 demonstrates superior performance in enhancing plastification effects while balancing processing torque. Its performance is comparable to imported US low-density oxidized waxes.Excellent Thermal Stability: DSC testing shows that at a high temperature of 300°C, EP629 exhibits a remarkably low weight loss of only **1.154%**. This ensures stable and reliable lubrication throughout the initial, middle, and final stages of processing.
