Industrial heavy duty waterproof caster

Test range:  
1. Waterproof effect
2. Load capacity,
3. Rotating ability,
4. Impact resisting performance,
5. Salt spray test,
6. Running ability,
7. Service life evaluation

Applicable products:  
1. Hand carts
2. Heavy machines & equipments
3. Scaffolds
4. Industrial carts
5. Logistic carts

Caster ability:  
1. Waterproof function
2. Good load capacity
3. Flexible rotation

Strong point:  
1. The caster can walk normally but without immersing in water when the water's height is below 1/3 of the wheel diameter.
2. It is moisture resistance, could be used in any environment other than DIP in water long time.