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2. Direct injection expanded foam molding - Wikipedia

   en.wikipedia.org/wiki/Direct_injection_expanded...

   The base resin, used in a complex formula, is an ethylene-based polyolefin elastomer (like polyethylene and EVA). Foam that is manufactured with these resins has many physical benefits. Unlike a sponge, foams from this process are closed-cell, meaning it's waterproof and resists mold, mildew, and bacteria from entering the material.

3. Microcellular plastic - Wikipedia

   en.wikipedia.org/wiki/Microcellular_plastic

   Depending on the gas, the foam's density can be between 5% and 99% of the pre-processed plastic. [2] Design parameters, focused on the foam's final form and the molding process afterward, include the type of die or mold to be used, as well as the dimensions of the bubbles, or cells, that classify the material as a foam. [1]

4. Zotefoams - Wikipedia

   en.wikipedia.org/wiki/Zotefoams

   Zotefoams Plc manufactures a range of closed cell crosslinked foams from polyolefins and engineering polymers for global use in sports, construction, marine, automation, medical equipment and aerospace. The headquarters are in Croydon, London, with additional foam manufacturing plants in Kentucky, USA and Brzeg, Poland.

5. Expanded polyethylene - Wikipedia

   en.wikipedia.org/wiki/Expanded_polyethylene

   Polyethylene bead foams (including) EPE can be used to replace both polystyrene foam, and both rigid and flexible polyurethane. Uses include cushioning applications, and impact absorption applications including packaging. [4] Consumption of polyethylene for PE foam was estimated at 114x10 6 kg in 2001. The majority was used for non-crosslinked ...

6. Sandwich-structured composite - Wikipedia

   en.wikipedia.org/wiki/Sandwich-structured_composite

   Open- and closed-cell-structured foams like polyethersulfone, polyvinylchloride, polyurethane, polyethylene or polystyrene foams, balsa wood, syntactic foams, and honeycombs are commonly used core materials. Sometimes, the honeycomb structure is filled with other foams for added strength.

7. List of insulation materials - Wikipedia

   en.wikipedia.org/wiki/List_of_insulation_materials

   Polyisocyanurate spray foam ... 30–57 Closed-cell polyurethane spray foam 2.54: 1 0.97–1.14: 5.5–6.5: 38–45 Phenolic spray foam ... Polyethylene foam 2.54: 1 ...