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Plastazote LD33 is a closed cell, cross-linked polyethylene foam sheet supplied in a 2000 x 1000 mm size. Nitrogen cells trapped in the polyethylene make it lightweight, odorless, water-resistant and buoyant, and give it strong resistance to most oils, solvents, acids and alkalis. It is firmer and tougher than open cell foams and recovers from repeated impacts, which suits insulation, packaging and protective casing inserts. It cuts, saws, laser cuts, routes and thermoforms cleanly, so it works for both craft use and machined components.
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Plastazote LD33 is a closed cell, cross-linked polyethylene foam supplied as a 2000 x 1000mm sheet. Its structure is a large number of nitrogen cells held within the polyethylene. The foam is lightweight and completely odourless. It does not absorb water, so it is buoyant.
Because it is made of polyethylene, it resists most oils, solvents, acids and alkalis. Closed cell foams are usually harder, firmer and tougher than open cell foams, and much less springy. Each cell acts like a balloon, so the foam can recover from repeated impacts and return to its original shape.
The foam can be thermoformed, saw cut, laser cut and routed cleanly with CNC machinery. It can also be split, heat laminated and shaped with water jet equipment. Common uses include insulation, packaging, impact-absorbing sportswear and military-grade case inserts.