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Shock absorption properties of foam formed cellulose materials. (a) Experimental setup used for impact tests; (b) restoring coefficient; (c) sample deformation, [mm]. EPS, expanded polystyrene foam; HDPU, high density polyurethane foam; Sample A, foam formed materials from 100% bleached cellulose fibers; Sample B, foam formed materials from 100% recycled cellulose fibers.
