Polyplast

Polyplast is a grade 5 premium scavenged compound crafting material.

Source
Polyplast can be gathered from an Electrum Cache or Neutronium Speeder Parts node, which requires 300 skill in scavenging. It is most commonly found on Belsavis and Voss.

The following materials can also be found in Electrum Cache or Neutronium Speeder Parts nodes:

They can also be obtained from grade 5 scavenging missions. Additionally, there is a chance to obtain Polyplast from reverse engineering the appropriate level and type of gear.

Uses
Polyplast is used in several crafting schematics: