1. Polypropylene wheel, commonly known as PP wheel

Polypropylene is a thermoplastic material known for its impact resistance, corrosion resistance, abrasion resistance, non-marking, non-staining, non-toxic, etc., and is an odorless and non-hygroscopic material. Polypropylene is resistant to many corrosive substances and does not contain strong oxidants and halogenated hydrogen compounds. The applicable temperature range is -20℃~+60℃, but when the ambient temperature is higher than +30℃, the bearing capacity will decrease.

2. Nylon wheel

Nylon is a thermoplastic. Impact-resistant, non-marking, non-staining, corrosion-resistant, very rub-resistant, and odorless. Tasteless, hygienic, resistant to many aggressive substances, but not to mineral acids, oxidizing agents, chlorinated hydrocarbons and heavy metal salt solutions. It has very low rolling resistance and is suitable for use on rough surfaces or surfaces with residual substances. Colors are natural white or black. It performs better after fully absorbing moisture. The applicable temperature range of nylon is between -45°C and +130°C, and it is allowed to be used in a higher temperature environment for a short time. However, the bearing capacity decreases at ambient temperatures higher than +35°C.

3. Polyurethane wheel

Polyurethane (TPU) is thermoplastic polyurethane. It uses polypropylene or nylon as the wheel core, and polyurethane secondary injection molding forms the wheel surface on the outer edge of the wheel core. It has the excellent properties of protecting the ground, absorbing shock, no trace, no staining, elasticity, friction resistance and corrosion resistance of many aggressive substances; and it is resistant to hot water and water vapor under certain conditions. It has low rolling resistance and is suitable for use on a variety of surfaces. Colors can be modulated upon request. The applicable temperature range of thermoplastic polyurethane single wheel is between -45°C and +90°C, and the load-carrying capacity will be reduced when the ambient temperature is higher than +35°C. The hardness is generally 92°±3°, 94°±3° or 98°±2° Shore A.

4. Casting polyurethane (CPU) elastomer wheel

Cast Polyurethane Elastomer (CPU) is a thermoset polyurethane elastomer formed by chemical reaction, which is based on polyester polyol, diisocyanate and glycol. It uses iron core and aluminum core as the wheel core, and polyurethane is poured on the outer edge of the wheel core, and the wheel surface is formed by curing at high temperature. These wheels are very ground-protective, shock-absorbing, non-marking, non-staining, good friction resistance, good elasticity, resistant to many aggressive substances, UV-resistant, but not resistant to hot water, steam, hot and humid air and aromatic solvents. In addition, it offers very high operating comfort, low rolling resistance and low heat generation under dynamic loads. The color is white. The applicable temperature range of cast polyurethane wheels is between -30°C and +70°C, and the maximum temperature is +90°C for a short time. Rigidity is best at ambient temperatures below -10°C. The hardness is 75°+5°Shore A.

5. Pouring polyurethane (CPU) wheel

Cast polyurethane (CPU) is a thermoset polyurethane elastomer molded by chemical reaction, based on polyester polyols, diisocyanates and glycols. Protects floors, is non-marking, non-staining, very abrasion-resistant, elastic, resistant to many aggressive substances, UV-resistant. In addition, its very low degree of permanent deformation, low rolling resistance, low heat generation under dynamic load and resistance to hydrolysis make it particularly suitable for higher speeds up to a maximum of 16 km/h. Colors can be modulated upon request. The applicable temperature range of cast polyurethane wheels is between -45°C and +90°C, with a short-term maximum of +90°C.

6. Pouring nylon (MC) wheel

Cast Nylon (MC) is a thermosetting plastic molded by chemical reaction. It is impact resistant, non-marking, non-staining, corrosion-resistant, very rub-resistant, and odorless. Tasteless, hygienic and resistant to many aggressive substances. But it is not resistant to corrosion of mineral acids, oxidants, chlorine hydrocarbons and heavy metal salt solutions. In terms of load carrying capacity, tensile strength, elasticity, deformation resistance stability and moisture absorption, cast nylon (MC) achieves better results than injection molded nylon. It has very low rolling resistance. Color is natural. The applicable temperature range of cast nylon (MC) is between -45°C and +130°C, and it is allowed to be used in a higher temperature environment for a short time. The load carrying capacity is reduced at ambient temperatures above +35°C.

7. Polyurethane foam (PUE) wheel

Foaming polyurethane (PUE), also known as microcellular polyurethane, is a block polymer. Foamed polyurethane wheel is a wheel with good elasticity. Its main physical properties exceed all other microcellular elastomers with the same density. It has low density, light weight, easy deformation, easy molding, impact resistance, good sound and energy absorption, Porous material with good performance such as high load-bearing, high elasticity, good folding resistance, low pressure resistance, wear resistance, tear resistance, radiation resistance, shock absorption and buffering. Its excellent and unique comprehensive properties are not available in ordinary plastics and rubbers. At the same time, it has a wide range of hardness, from Shore A10-100. These characteristics are very suitable as caster materials.

8. Solid rubber tires

Solid rubber tires use an iron core, aluminum core, steel core or plastic core as the wheel core, and high-quality rubber is wrapped around the outer edge of the wheel core, and the wheel surface is formed by high-temperature curing and vulcanization. It has the superior performance of shock absorption, impact resistance, high elasticity, very protective ground, and corrosion resistance to many aggressive substances. But not resistant to oil corrosion. Colors are black, gray or dark gray. Solid rubber tires are suitable for temperatures ranging from -45°C to +90°C. The hardness is 80°+5°/-10° Shore A.

9. Puff wheel

The pumping wheel is made up of pneumatic tire and rubber cover tire, is all made of rubber. Specially protects the ground, absorbs shocks, and is resistant to many aggressive substances, but not oil. In addition, they offer high operating comfort and low rolling resistance in poor ground conditions. The greater the number of tire plies, the higher the strength. The carcass strength determines the maximum tire pressure and load carrying capacity. To ensure optimum use and long life, the tire pressures listed in the table should be strictly observed and checked regularly. Tire pressure that is too high or too low can damage or destroy the tire. The color is black. Pneumatic tires are suitable for temperatures ranging from -30°C to +50°C. The wheel or tire dimensions are for new, unloaded tires that vary slightly in width and diameter during operation.

10. Soft rubber wheel

The soft rubber wheels are based on a specially developed highly elastic rubber compound. They are particularly protective of floors, absorb shocks and are resistant to many aggressive substances, but not to oils.

11. Artificial rubber wheels

Artificial rubber wheels are made of thermoplastic rubber elastomer (TPR), which has the following remarkable properties: excellent cushioning and shock absorption performance, which can better protect equipment, goods and floors; its excellent impact resistance performance far exceeds that of cast iron core rubber Wheel; has high shape memory performance, and the wheel is not easy to deform after being placed under load for a long time; it runs quietly and has no noise; it is non-corrosive and can withstand most chemical solvents, water and steam; it has excellent wear resistance, comparable to polyurethane wheels; The strong and tough tread structure ensures flexible operation and free rotation of the equipment; it has good puncture resistance and can be used on ground with metal filings and gravel. Its applicable temperature range is between -45°C and +60°C. The hardness is 70°±3°Shore A.

12. Anti-static artificial rubber wheels

Anti-static artificial rubber wheels are made of thermoplastic rubber elastomer (TPE), which is easy to protect the ground, non-marking, comfortable to operate, low noise, small rolling resistance and rotation resistance, corrosion resistance to many aggressive substances and anti-static performance. color: gray. Its applicable temperature range is between -45°C and +60°C. The hardness is 70°±3°Shore A. When the ground is sensitive, it can cause dyeing and conduction. Conductive resistance value: conductive casters with a resistance value not greater than 104 ohms, while the resistance of antistatic casters should be between 105 ohms and 107 ohms.

13. Cast iron wheel

Cast iron wheels are special wheels made of durable gray cast iron, which are particularly resistant to pressure and wear and have a particularly high static and dynamic load carrying capacity. Tensile strength and hardness are nearly constant over a wide temperature range (-100°C to +300°C), and are resistant to oil corrosion. The applicable temperature range of cast iron is between -45°C and +500°C. Graphite deposited in cast iron achieves the emergency running properties typical of cast iron in plain bearings and reduces corrosion susceptibility. The hardness is 190-230HB. However, care should be taken in pressure-sensitive ground.