The process of extrusion has many types, and one of them is called plastic extrusion. In this process, raw plastic is used and transformed to create several items such as rods, seals, plastic tubing, adhesive tape and plastic sheets by using tools like plastic extruders. Some of the most commonly used plastic materials in plastic extrusion are nylon, polycarbonate, acetal, polyethylene, ABS or acrylonitrile butadiene styrene and acrylic.

There are some types of plastic extrusion: In this tubing extrusion process, plastic extruders are used to create tubes like medical tubing and drinking straws. It is also similar to regular extrusion except for the die. In this case, a mandrel or pin is used to extrude hollow sections. You can use one or several die depending on the number of lumens or holes necessary; Blown film extrusion is used when you want to manufacture plastic films to create shopping bags and objects similar to that. It is generally similar to a regular extrusion except for the die. In this method, the die used is like an upright cylinder that has a circular opening that can be as small as a couple of centimeters in diameter to as big as at least three meters. One advantage of this method is the quality variations it can provide; This compound extrusion uses one or a combination of several polymers to create plastic compounds. You may use powder, liquid or pellets as feeds for injection molding and extrusion. Machineries are extremely helpful if you decide to use this method. You may get those small laboratory machines or those huge extruders found in large industries; And then the Sheet Extrusion Machine, in this method, the materials are cooled by pulling them through a series of cooling rolls. They are also able to achieve the desired surface texture and sheet thickness via this method. A psheet extrusion machinerocess that follows this particular extrusion process is called thermoforming, in which a sheet is exposed to heat until it turns into soft plastic so that you can mold it into any shape. But, if you are going to use vacuum when doing this, the method is called vacuum forming.

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