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AIM Processing Small Plastic Parts Blog

For High Impact, Low Friction Applications, Acetal is Your Plastic

[fa icon="calendar'] Feb 24, 2017 8:38:01 AM / by Jon Gelston posted in Plastic Types

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Acetal is the common name for polyoxymethylene (POM), a white semi-crystalline thermoplastic. It is strong, abrasion and impact resistant, and tolerates many organic chemical compounds. It has a low coefficient of friction and durable stiffness, so it is often used in moving parts. Because it is widely available in sheet and block form, many machined prototypes are made of acetal. Examples of items made from acetal include a variety of large and small plastic parts:

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Polycarbonate: A Strong, Clear, Multi-Purpose Plastic

[fa icon="calendar'] Feb 15, 2017 3:55:45 PM / by Jon Gelston posted in Plastic Types

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Polycarbonates (PC) are a group of strong, impact-resistant, heat-resistant, thermoplastics. They are naturally transparent, with the raw material capable of transmitting light as well as glass—and they are much lighter than glass. While they are clear by default, PC plastics are commercially available in many colors.

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An Introduction to ABS Plastic for Injection Molding

[fa icon="calendar'] Jan 27, 2017 4:53:18 PM / by Jon Gelston posted in Plastic Types

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 ABS is an acronym for acrylonitrile butadiene styrene. (Now you understand why it goes by its initials!) It is an opaque thermoplastic polymer. The term “thermoplastic” refers to a class of plastics that can be reprocessed after an initial heat cycle; as opposed to "thermoset" plastics that undergo an irreversible chemical change during its first heat cycle. ABS is a common engineering grade plastic and it is used in many products around you, particularly electronic enclosures.

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What Type of Plastic Should You Choose? Here are the Questions You Should be Asking.

[fa icon="calendar'] Aug 23, 2016 3:51:29 PM / by Jon Gelston posted in Plastic Types

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One of the most important decisions you make with each new plastic injection molding project you undertake is determining what type of plastic to use.  The physical characteristics of plastic run the gamut from highly pliable to extremely rigid, clear to opaque, easily reused/recycled or non-recyclable.  Naturally, resin cost and availability can influence your selection as well.

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