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Typical curves obtained from three-point bending tests for various composites and fibre contents of (a) 30 wt% and (b) 50 wt%. The welding time is 0.70 s, pressure is 15 MPa with the highest amplitude. “CB”, “CTMP” and “Amylo” refer to chemical pulp, mechanical pulp and amylose-extender starch, respectively.
