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I almost got a new job the other day and my qualifications were to be knowledgeable on communication skills, plastic extrusion, and injection molding. And to know the yes's and no's of each procedure within polymer injection molding. I thought this was a worthy battle to understand all of this so I set out to know every meaning about this plastic procedure. I searched everywhere but couldn't find enough information or just the information I wanted. So I set out for a word of mouth study day and questioned people about plastic profile extrusion. I came up with mixed results but figured out a lot of local plastic companies that were near me and was glad to find out plastic products are 100 percent American made, with no Chinese or other foreign exports. My kind of Product! So let's venture on so I can help you understand what I was so willingly to find out.

Processes of plastic extrusion begin with the manufacturing process of plastic being melted down to a liquid state, shaped into a continuous profile, and cut to needed length. I read this through some information pamphlets and books I scavenged from a couple nearby towns.

I came up with a plethora of more information and who would have thought that plastic extrusion produces items such as hurricane panels, and adhesive tape. Wire insulation and window framing are also big products made from plastic extrusion.

As the process begins the raw plastic is fed into a heated extruder cavity. The plastic is in the shape of small pellets usually the smaller then a nickel. Reading further into my study I found out that additives are mixed with the plastic.

Next as the plastic moves towards the opening in the extruder cavity it goes through a screw mechanism. The screw rotates the plastic and forces it through the cavity. Inside the cavity it's a toasty 400 degrees f.

Sometimes the pressure and friction are so great as well that the heaters are shut off and the temperature is kept the same within the cavity. Cooling fans are put in place to keep it at the desire temperature as well. A filter is then added to remove and remaining contaminants.

Injection Molding is a process where overheating is abundant and must be avoided at all costs. The plastic companies invest in three heaters to allow the plastic to gradually reach its melting point so it will not burn. Sounds pretty genius to me and for plastic makers?

When the cooling is complete its time for the plastic product whatever it may be to be spoiled coiled or cut. Aluminum, food, and clay are examples of contaminants removed from the plastic. All extremities or waste usually can be melted down and reused. A nice green way to go!

After the plastic extrusion companies heating process comes time for the die to be added to the plastic. The die assesed in the polymer extrusion process is responsible for the products beautiful color and distinct profile. We should all be thankful for the benefits that come from custom extrusion services. Finally the plastic products are cooled, cut, and then spoiled or coiled to size. These products often end up becoming polymer products. Use this knowledge wisely! You now know a process of manufacturing, enjoy!