Diamond/waffle on surface, low friction but higher than matt surface. Food Grade material (like UB-W21/C) can be used in food industry, good for dough conveying with the good performance anti-stick.
Include some conveyor belting like as below:
PVC Green 2.3mm thickness PB-G23/C
PVC Green 3.1mm thickness PB-G31/C
PU white 2.1mm thickness UB-W21/C
PU Blue 1.8mm thickness UB-U18/C