IRVING, TX — The Plastics Pipe Institute, Inc. (PPI) has announced the publication of the new ASTM F3722 Standard Practice for Heat Fusion Joining of Polypropylene (PP) Pipe and Fittings by ASTM ...

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.

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 ...