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Guide to Plastic injection Molding and Its Benefits

Today, components of large products that we use today are made using a process called injection molding. How these products are done is through the use of mold cavities where molten materials are poured and solidified, and some examples of these products are ice trays, bottle caps, and bins.

Glass, metals and thermoplastics are the materials that can be used for injection molding. Below we will look at plastics and how this material is the best in terms of cost and recyclability.

As we know plastic is the low cost alternative to expensive metal and glass. Plastic is durable, rust-free and very tough considering that it is low in density. In particular, thermoplastic allows manufacturers to produce very complex shapes at a much lower cost than other materials. Its pliability allows it to take o almost any shape but hardens when cooled. Plastic becomes brittle in very cold temperatures and this is why they put additives to prevent this. If you want to form other shapes from a finished product, you can just simply reheat it.

Imagine if all plastic products in the world were handmade. These products can come out misshapen and structurally weak objects. Injection molding helps to achieve design precision and maintain structural soundness. The process of injection molding has other benefits like the ones given below.

Since the molding cavities can only contain the amount of plastic that is needed, it minimizes or eliminates scraps. You save money with this and you will have less problem with waste management.

Other parts and components can be made from waste plastic. You can compare the quality of this waste plastic to virgin plastic. Therefore waste is minimized.

The cost of labor for using injection plastic is not as high the cost for molding plastic by hand. There is high productivity and the time taken to manufacture products is drastically cut down.

There are little or no defects with injection molded plastics. Burrs, uneven layers, blisters, voids, and empty spaces on the surface are the common defects of this type of molded plastic. They remake products that are defaced.

Despite its bad reputation as being non-biodegradable, plastics are highly recyclable and plants often use discarded and unused plastic parts.

With injection molding there is a shorter finishing time because the process always takes care of most of the work. Labor cost and time is further reduced.

If metal and glass cannot be used in certain applications they use molded plastic products. Plastic is used by industries like automotive, oil, gas, and electronics on a regular basis.

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