Description
Foaming Nucleating Agent Consists Of Activator is designed to be extruded with LDPE or HDPE gas injection compounds for processing physical foaming insulated coaxial cables. It is normally added at 1-3% masterbatch concentration into a blend of 60-80% HDPE and 20-40% LDPE.
While the exact temperature profile required will depend upon the screw design and construction being made, the following extrusion temperature profile represents a good starting point:
Feed Zone : 140 ℃to 150 ℃
Transition Zone : 170 ℃to 180 ℃
Gas injection point : 170℃ to 190 ℃
Metering Zone : 140℃ to 170 ℃ (depending on insulation diameter)
Crosshead and die : 130℃ to 190 ℃ (depending on insulation diameter)
