plastic shredder 1.low rotary speed, low noise 2.Structural durability,impact buffer 3.Heat resistant alloy steel blade Single shaft shredder, hdpe bottle shredder,plastic pet bottle shredder,small plastic shredder Strcutre: this machine consists of one knife roller and a hydralic material pusher.Material: plastic bottle, plastic jar, plastic barrel, plastic box, wast plastic film, waste rubber, ...