It uses compressed air to move the rubber rolling wheel. The pick-up rate can be adjusted to match the production line. It suits the tests of dyestuff, pigment, auxiliary chemical and resin. When it is in conjunction with Laboratory Stereotypes dryer(M-3) or laboratory tenter(M-6), value-added sample can be produced and submitted to customer. Specification of roller:NBR rubber coated, with 125 mm diameter, 450 mm length. Hardness of roller:70 ± 2 degrees and the pressure resistance is 6kg/cm2 Speed of roller rotation:10~12RPM (Speed adjustor is optional) Adjustment of pressure:One pair of pressure regulator valves. They can adjust the roller pressure individually on right/left side. Two pressure indicator. Safety device:Emergency button switch and knee pedal touch. Models specification:P-AO,P-BO,P-AI,P-BI Air compressor is optional. Dimension:P-A W92 x D61 x H145 cm P-B W92 x D62 x H125 cm