Solid white or black polypropylene wheels. With a wheel diameter range of 40 to 400 mm and a load capacity range of 50 to 330 kg. Hard working and economical wheel that is also used as guide rollers in tracks. With prices less than 50 pence these wheels offer a cheaper alternative to the harder and more expensive nylon versions.
WPL Polypropylene Wheel Series
Polypropylene belong to the group of polyolefins and is partially crystalline and non-polar. Its properties are similar to polyethylene, but it is slightly harder and more heat resistant. It is a white, mechanically rugged material and has a high chemical resistance. Polypropylene is the second-most widely produced commodity plastic (after polyethylene) and it is often used in packaging and labeling. In 2013, the global market for polypropylene was about 55 million tonnes.