A4 Laminator

The process of extrusion has many types, and one of them is often known as plastic extrusion. In this technique, raw plastic is used and transformed to create various items like rods, seals, plastic tubing, adhesive tape and plastic sheets by using tools like plastic extruders.

Some of the mostly used plastic materials in plastic extrusion are nylon, polycarbonate, acetal, polyethylene, ABS or acrylonitrile butadiene styrene & acrylic.

What are the kinds of plastic extrusion?

1. Blown film extrusion

This method is used when you desire to manufacture plastic films to create shopping bags and objects like that. It is generally like a regular extrusion except for the die. In this technique, the die used is like an upright cylinder which has a circular opening that can be as little as a couple of centimeters in diameter to as big as minimum three meters. One advantage of this process is the quality variations it can provide.

2. Sheet or film extrusion

In this technique, the materials are cooled by pulling them through a number of cooling rolls. They are also able to attain the desired surface texture and sheet thickness via this process. A process that follows this particular extrusion method is known as thermoforming, in which a sheet is open to heat until it turns into soft plastic so you can mold it into any shape. But, if you are gonna use vacuum when doing this, the method is referred to as vacuum forming.

3. Tubing extrusion

In this process, plastic extruders are used to create tubes like medical tubing and drinking straws. It's also similar to standard extrusion except for the die. In this instance, a mandrel or pin is used to extrude hollow sections. You can use one or a few die depending on the number of lumens or holes required.

4. Compound extrusion

This process uses one or a combination of few polymers to create plastic compounds. You might use powder, liquid or pellets as feeds for injection molding & extrusion. Machinery are extremely beneficial if you decide to use this process. You may get those small laboratory machines or those huge extruders found in big industries.

Those are just four of the lots of extrusion processes known today. They have progressed and improved over time. Each of them has its own advantages and disadvantages over the others. Each also requires different sorts of equipment.

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