The Association of Plastic Recyclers (APR), Washington, says increasing supply and enhancing the quality of the plastics recycling stream are two primary goals of an updated resource guide the ...

Injection-molded plastic part design is a lot like parenting. The job falls into your lap, you have zero qualifications, and yet, you are supposed to do it perfectly while blindfolded. It's difficult ...

Injection molded plastics have revolutionized design, innovation, and manufacturing in the 20th century. Before 1950, most products were manufactured in stamped steel, die-cast aluminum, zinc, and ...

One of the greatest disadvantages of plastic materials is their flexibility and relatively low stiffness. One of the greatest advantages of plastic materials is their flexibility and low stiffness.

Plastic parts and assemblies are becoming more common as engineers work to reduce costs and weight in their designs. But plastics often aren’t strong enough to support fasteners such as screws or ...

There are several techniques for joining plastic parts. Equipment cost and labor for each method vary considerably. Most techniques have limits on the sizes and types of plastic that can be joined.