Polyurethanes are outstandingly able to withstand more loads than rubber because they are harder than rubber and yet more flexible than plastics. Their flexibility is accountable for their strength and remarkable ability to resist impact.
Why are skateboard wheels made of polyurethane?
Some modern polyurethane formulas provide better traction and resiliency than the original mixtures, but the construction remains essentially the same. Clear wheels actually provide better performance than colored wheels, because the pigments in the wheels allows for less urethane in the wheel.
What is PU skateboard?
PU wheels are products formed by the processing of chemical raw material foaming process. PU can control the density and elasticity of the product, and high density of abrasion resistance. Wheels with good elasticity can control and reduce vibration during skateboarding.
What is the difference between polyurethane and urethane?
There is no difference between the terms urethane and polyurethane. … The term polyurethane simply means that it contains multiple urethane groups. Polyurethane elastomers (urethane elastomers) are one type of a large family of elastic polymers called rubber.
Is urethane rubber or plastic?
It’s not a metal or a ceramic, but it’s also not exactly a plastic or composite. Urethanes fall into the category of materials called rubber. But they’re not quite rubber either. Urethanes fill the gap between rubber and plastic.
What are urethane wheels good for?
Fausto Vitello explained why urethane was perfect for wheels: “Urethane has some unique properties. The first is that it has really good abrasion resistance, which means that the wheel will last a while. The second one, even more important, is that urethane gives a really good grip with the ground.
What are urethane wheels used for?
Polyurethane tires have many benefits in industrial wheel and caster applications, and the reasons above discuss some of the more popular ones. Polyurethanes can provide resistance to corrosion, protect floors, and reduce noise, all while providing a material that can handle a lot of capacity.
Are urethane wheels plastic?
Polyurethane wheels offer benefits unmatched by steel, plastic and rubber wheels. Each polyurethane wheel can be customized by hardness, color, durability, flexibility and even tear strength.