- Functions:Processing Aid
- Processing Methods:Extrusion
- End Uses:Pipes, Film, Flexible Packaging, Pipe Seals
POLYB® PA-490 is an additive added to attain improvement for processing of polyolefin resin at very low levels usage(100~100ppm). It is a white powder made of modified fluoro-elastomer. polymer processing aid is coated at the inside of the die wall and decreases the friction between melted resin and the die wall.