|   DuPont Elastomers Viton® FreeFlow™ 40 Process Aid  Subcategory: Fluoropolymer; Additive/Filler for Polymer; Thermoplastic Close Analogs: This former DuPont Dow Elastomers product line is now produced by DuPont Performance Elastomers. Material Notes: Description: Viton® FreeFlow™ 40 is a fluoroelastomer processing additive in a pellet form. It is designed for addition to high density polyethylene (HDPE), linear low density polyethylene (LLDPE), polypropylene (PP) or other nonpolar polymers to reduce extrusion defects such as melt fracture or die buildup.
 Advantages:  Process improvements in all types of polyolefins including HDPE, low density polyethylene (LDPE), LLDPE, and PPEElimination or minimization of surface imperfections (e.g., melt fracture)Reduction of die buildupReduction of die pressure, power requirements, and temperatureIncreased output (at constant die pressure and temperature)Improved properties when narrow dies are used in place of wide dies to reduce orientationMost thermally stable fluoroelastomer process aid
 Information provided by manufacturer. 
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