What is ABS Injection Molding?

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By Jeremy Losek, Sep 14th, 2021

If your project requires a rigid product that is lightweight and durable, consider ABS plastic for your job. A few popular items made from ABS include appliances, toys, medical supplies, musical instruments, computer parts, and more. The ICOMold team are experts at ABS injection molding and can provide you with a seamless process from prototype to production.

Is ABS Plastic Strong?

Acrylonitrile Butadiene Styrene or ABS is a thermoplastic polymer widely used for injection molding. It is durable and can stand up to scratching, is budget-friendly, and is easy to machine and fabricate. ABS can be used in conjunction with a metal coating as many metals can adhere strongly to ABS plastic. ABS is perfect for projects that demand strength, stiffness, and impact resistance. It can be painted, glued, and is easy to recycle.

ABS plastic properties are not highly sensitive to temperature or humidity. Molding ABS at a high temperature produces resistance to heat and a nice gloss while molding it at a low temperature will result in strength and impact resistance. Therefore, its final properties and strength are influenced by the conditions used during the manufacturing process.

Advantages and Disadvantages of ABS Injection Molding

Choosing ABS injection molding offers numerous benefits. ABS plastic is easy to mold and has good machinability. It has high impact strength, dimensional stability, tensile strength and stiffness, and high stability under load. It can maintain its characteristics and performance in extreme temperatures and has a low melting temperature, which makes it easy to use in the injection molding process. It can be alloyed with other polymers, is easy to paint, glue, and can be colored.

ABS plastic can also be recycled. Using a mix of virgin ABS plastic mixed with recycled ABS can help to cut costs. During the recycling process, the ABS is shredded and then purified of any undesirable metals or plastics. It is then analyzed and combined with virgin ABS to produce a new product.

ABS plastic should not be used under direct sunlight or near an open flame, although fire-retardant and heat-resistant grades are available. Some ABS components can emit toxic fumes after heating.

ABS Injection Molding Process

The ABS plastic begins as a pellet which is then melted into a moldable state. It is then injected into the cavity of a two-part mold where it will form a part. The plastic will solidify almost as soon as the mold has been filled. The part then cools to the shape of the mold. Once it has fully cooled, the “A” and “B” sides of the mold open to eject the part, where it falls into a bin. The two parts of the mold then reset to begin the process again.

For your ABS injection molding needs, ICOMold has the expertise and team ready to help. We offer fast and dependable service, low prices, quick quotes, plus an online project management system. Your production injection mold includes a lifetime guarantee. Whether your project demands a low or high volume, we can work with you. Please feel contact us at (419) 867-3900 or email sales@icomold.com.

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