Natural Fibre-Reinforced Biofoams

Table 2

Twin screw profiles with two restrictive elements (noted “Rev”) (profile 1).

Screw elements	Dir	Dir	Dir	Rev	Dir	Dir	Rev
Screw thread (mm)	33	25	16.6	−33	33	16.6	−33
Screw length (mm)	325	150	50	25	100	200	50