PPA MASTER BATCH
Process aid eliminate melt facture at given shear rate to allow for higher throughput before onset begins again. It is a Fluoro Polymer based processing additive Melt facture
Melt facture is a surface roughness on films or other extruded shapes resulting from a slip/stick action on molten polymer exiting a die. It is most often seen with tougher resin such as LLDPE & HDPE. Also known as Sharkskin, Orange peel, Wavy zigzag.
Key Characteristics
Its incompatible with PO also act as lubricant.
Improve Polymer flow in extrusion.
Improve productivity
Reduces back pressure
No die buildup and die lines
No gel formation
Reduces back pressure
Improves surface finish and gloss
Quicker color changeover & reduces machine startup time.
Power consumption effectively reduces.
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