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Advantages of Plastic Injection Molding

A process called injection molding is used for making most of the products we use today, particularly components of large products. Ice trays, bottle caps, and bins are just some of the products that are made from injection molding which uses mold cavities where molten material is poured and solidified.

There are many different kinds of materials which can be used for injection molding and this includes glass, metal and thermoplastics. In the discussion below, we will look at plastics which is the best materials among others 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. Its pliability allows it to take o almost any shape but hardens when cooled. There is a need to put additives so that the plastic will not be so brittle especially when exposed to very cold temperatures. Reheating the finished product will allow you to change the form of its shape.

Imagine a world where all plastic products have to be created by hand. We would be left with misshapen and structurally weak objects that wouldn’t last a day. Injection molding ensures precision in design and soundness in structure. Below are some of the other benefits of injection molding.

If molds are used the amount of scrap is reduced or eliminated because the cavities are shaped to contain only the amount of plastic that is needed. With this you get to save money on plastic, and you don’t have much waste as to worry about waste management.

Scrap plastic can still be used for 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. Productivity is high with injection molding and it is faster to manufacture products.

If we speak of defects, plastic made with injection molding have very little or no defects. 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. If the product is defaced then they are remade.

Though plastic is known to many as non-biodegradable, it is highly recyclable and plants can use discarded and unused plastic parts.

Since almost everything in the work is done in the injection molding, then the finishing time is shorter. Labor cost and time is further reduced.

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.

Source: http://www.succeedinginsmallbusiness.com/3-ways-to-take-the-pressure-off-you-as-a-small-business-owner/#.WFMOp6KLRE5

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