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Pu timing belt Polyurethane timing belt drive is a new drive mode by matching belt with its belt to transmit the driving force. Timing belt adopts the high quality polyurethane as its main raw material and is newly formulated with other ingredients of different functions. Timing belt drive has accurate synchronization. It needs no lubrication and features no slip, no contamination and little noise. Its drive efficiency is up to 0.98. The speed ratio is large, which can reach1:10. The allowed line speed can be 50m/s. The drive power is suitable to multishaft drive from several watts to hundreds of kilowatts. Polyurethane timing belt has the following strong points: dynamic buckling resistance, crack resistance, good performance, excellent Ozone performance, aging resistance, cold resistance, oil resistance and wear resistance, etc. Polyurethane timing belt is widely applied to the machines in textile, automobile, chemical fiber, cigarette, paper making, printing and chemical industries. In recent years there have been growing demands in mining, metallurgy, steel and iron machinery and medical equipments.