Heavy duty polyurethane plastics are widely used in heavy-duty casters and many manufacturers use this material for their communication. For example, 2 Inch Caster Wheels, 3 Inch Caster Wheels are the most widely used wheels. It is a lightweight, impact-resistant, wear-resistant, corrosion-resistant thermoplastic polyurethane elastomer made using a cast-type production process.
Why did you choose this material? Because he has some unique features:
1, good wear resistance, 5-8 times that of nitrile rubber;
2, good bending strength, good elasticity;
3, tensile strength and elongation at break;
4, strong tear resistance;
5, moderate temperature (-50 °C ~ 85 °C) up to 120 °C;
6, oil, water, mildew resistance, good solvent resistance;
7, good aging resistance;
8, the hardness adjustable range (Shaw 15A ~ 98A);
9, low compression set rate;
10, Cast iron polyurethane casters are relatively large bearing capacity.
Of course, this material also has certain limitations and cannot be used on some special types of casters, but in general, this material can be widely used.
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