19/08/2026
PVC PROCESSING AID AVAILABLE IN GUJRANWALA PAKISTAN
MD-510 acts as a balanced internal and external lubricant and processing aid in PVC resin formulations.
Key Functions of MD-510 in PVC
Internal Lubrication: Reduces friction between PVC polymer chains, lowers melt viscosity, and decreases melt temperature during processing.
External Lubrication: Prevents the PVC melt from sticking to hot metal machinery surfaces like extruders and molds.
Synergistic Stabilization: Works effectively alongside calcium-zinc (Ca/Zn) and lead-based stabilizer systems to improve thermal processing stability.
Enhanced Dispersion: Improves the distribution of fillers, plasticizers, and pigments within the PVC compound.
Surface Quality: Enhances clarity in transparent items and yields a smooth, gloss finish on finished profiles or sheets.
Typical Dosage and Usage of MD-510:
Usually added at 0.1 to 5 phr (parts per hundred of resin), with 0.5 to 2 phr as the common range for rigid PVC.
While the lower grades are specifically for rigid PVC only with doubled dosage
Purity Grades of MD-510:
High-purity grade MD-510 for optimal performance and transparency
Medium-purity grade MD-550 for balanced performance and economy
Low-purity grade MD-580 for enhancing weight and opaqueness
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