Case Inserts, Foam Packaging and End Caps
Polyurethane: (PU) Open-celled, flexible, non-abrasive. Available in convoluted (egg crate), antistatic and fire resistant versions, as well as different densities,
depending on the application. Types of polyurethane foam:
-Polyether: Low cost, all-purpose
-Polyester: Higher tensile strength than polyether
-ELE: Ester-like ether, low-cost alternative to polyester
Polyethylene: (PE) Closed-cell, water resistant, more rigid than polyurethane, high strength and durability, shock absorbing, vibration dampening. Avialable in cross-linked, as well as laminated up to 6" Used for end caps.