Guide / Rotational Molding

Rotational Molding Guide

Producing hollow plastic parts through rotational molding

Materials

MaterialOven TempTypical Use
LLDPE260-300CTanks, containers
Nylon 6290-320CFuel tanks
PVC Plastisol200-230CSoft parts, toys

Process Parameters

Oven heat time: 15-30 min. Oven temp: 260-320C. Cooling: 15-30 min (air first, then water). Rotation speed: 2-8 RPM. Wall thickness: 3-15mm typical.