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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.

There are many different kinds of materials which can be used for injection molding and this includes glass, metal and thermoplastics. Below we will look at plastics and how this material is the best in terms of cost and recyclability.

The best and low cost alternative to metal, which is expensive, and glass, is plastic. Plastic is durable, rust-free and very tough considering that it is low in density. Producing complex shapes at a much lower cost than other materials is possible with thermoplastic. Because it is pliable it can take on any shape and when it is cooled, the shape hardens. There is a need to put additives so that the plastic will not be so brittle especially when exposed to very cold temperatures. And when a product is finished, you can reheat it to form other shapes.

If you have to make plastic products by hand, what could be the result? These products can come out misshapen and structurally weak objects. With injection molding design precision is achieved, and structural soundness is maintained. The process of injection molding has other benefits like the ones given below.

Minimizing or eliminating scrap is one of the benefits of using injection molding because the cavities can only contain the amount of plastic that is needed. You save money with this and you will have less problem with waste management.

If you have waste plastic then they can be used to form other important parts and components. You can compare the quality of this waste plastic to virgin plastic. There is a great minimization of waste.

Injection molding labor cost is a lot lower than molding plastic by hand. There is high productivity with injection molding and it produces products at a much faster rate.

There are little or no defects with injection molded plastics. Sometimes there are defects in the resulting plastic product with the common defects being burrs, uneven layers, blisters, voids, and empty spaces on the surface. Defaced products are remade.

People think of plastic as bad because it is non-biodegradable but it is highly recyclable like plants can 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. It reduces further the cost of labor and time.

Molded plastic products are often the only solution where metal and glass cannot be used. Plastic is used by industries like automotive, oil, gas, and electronics on a regular basis.

Resource: official website