Pneumatic casters offer a smooth ride, while at the same time providing superior load cushioning performance. While they are often used in the manufacturing, construction, and shipping industries, pneumatic casters also have many other applications.
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These casters are typically made from a variety of materials. The most common are synthetic rubber, wire, and fabric. However, other types of casters are available as well.
For example, pneumatic wheels can be filled with foam to add additional support. This helps prevent the wheels from popping and reduces the risk of flat wheels. Another option is to use molded rubber. In addition, a softer tire allows the tire to absorb more impact. Source : https://www.castercity.com/pneumatic-casters/
Semi-pneumatic casters are ideal for indoor and outdoor use. They are especially useful for shipping yards. Because they are a little more robust than their plastic counterparts, they are often used for moving heavy equipment.
Solid caster wheels are built from iron or steel and are less shock absorbing. They can also damage floors. Compared to pneumatic casters, solid wheels are more prone to dents and scratches.
Polyurethane casters have been around for less than fifty years. In this time, they have become the go-to material handling industry. Unlike pneumatic casters, polyurethane casters provide more load capacity. Depending on the type of caster, they can also have lower rolling resistance. Despite their disadvantages, though, these casters have become popular for many applications.
As with any other material handling system, it is important to choose the right casters for your needs. Whether you are using a hand truck for transporting equipment, or a cart for carrying products, it is vital to find the best caster for your needs.