| Model No. | HTR500 | HTE500 | HTR300 | HTE300 |
| Roller Width | 500mm | 500mm | 300mm | 300mm |
| Roller Diameter | 200mm | 200mm | 120mm | 120mm |
| Roller Speed | 3-16m/min | 3-16m/min | 3-12m/min | 3-12m/min |
| Heating Mode | oil | electric | oil | electric |
| Roller speed ratio | adjustable | fixed | adjustable | fixed |
This machine is for testing the tension,fisheye,and other property test items of PVC,PP PETG and other plastic sheets. This machine adopts variable frequency driving for accurate control of roller Speed.Hot-oil drilled roller ensures high precision temperature control.

