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Injection Molding Plastics

There are more than 85 thousand types of plastic materials to choose from when it comes to making injection molded products. Although it can be challenging to pick the right material for injection molding, it is important to know the composition of the materials used in the industry.
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Choosing the Right Plastics for Injection Molding



There are more than 85 thousand types of plastic materials to choose from when it comes to making injection molded products. Although it can be challenging to pick the right material for injection molding, it is important to know the composition of the materials used in the industry.

● Acrylonitrile Butadiene Styrene (ABS)

● Polypropylene (PP)

● High Density Polyethylene (HDPE)

● Polyamide (Nylon)

● ABS + PC Blend (mostly used for electronics enclosures)

● Polycarbonate (PC)

Due to the wide variety of properties of these various materials, it's important to keep in mind the main properties of each type.


Hardness of Materials

The hardness property refers to the resistance to indentation of various materials. Most commonly, a material's hardness is measured by using a device to divide it into two, namely type A and type D. The scale ranges from zero to 100. The Shore hardness is a type of scale that's used to measure material hardness. It was developed by Albert Shore, who invented the durometer scale. It's also important to consider the various factors that will affect the end product's performance when it comes to choosing the right material. Illustrated below are how these top materials stack up regarding how soft or hard they are:


Flexibility of Materials

Contrary to popular belief, materials can be flexible and hard, they can also resist bending under stress. In fact, ABS and Nylon rulers are both harder than those made of ABS. A material's stiffness refers to its ability to resist pressure. For instance, an ABS ruler can be harder to bend than a Nylon one.


Weight of Materials

The material's weight also affects the composition of a product. The density of a material will tell you how heavy or light a product will be.


Cost of Materials

Although the cost is typically an important factor in deciding which type of plastic to use for making a product, it's also important to consider the various factors when choosing a material.


Conclusion

All materials have their own characteristics, and it's very important to keep in mind that the properties of each type of plastic are their own. Doing so will help you get the most out of the materials that you use. To help you get started, check out the table below and compare the properties of the various materials. Don't be surprised if the material properties of your plastic product are not what you expected them to be. Doing so can help you get the most out of your plastic investment. If you have any concerns, feel free to contact us at TEAM MFG. The table below shows the properties of each type of plastic. It's also a good idea to check the line next to each material to see where it falls on the list.


TEAM MFG is a full-service design and manufacturing company that specializes in product development and prototypes. With our knowledge of technology, we can provide rapid-prototyping and design services for various industries. For more, visit team-mfg.com.


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