... CracklessCrackless Main Applicatioins: DS600: Extrusion processed for generic type resin,mainly used for wire insulation layer,tubes,film and so ... on.DS601:Hear stress cracking resistant plastics,mainly for wire insulation layer,thin-walled tube.DS602: The low ... or medium speed processing,mainly for heat shrinkable tubes,pumps,valves,piping and lining,wire insulation layer.AttentionThe processing ...