... plastic compounds, PVC, PP, EVA, PS, etc. Application: The Test Roll can be used to test the following plastic materials and ... .1μm). Design device for protection rolls cannot damage the roll surface.Hardness:58-62HRCHeating type:Thermal oilTemperature used:80- 200 ... , equipped with anti-collision and locating device to avoid damage on roll surface.Clearance range:Machine: 0 5mm, working condition: 0.1 ...