Item

UHMWPE Single Body

Buoy

Plastic Split Combinded Buoy

Steel Welded Buoy

Material

High strength plastic—

UHMWPE

Common Plastic, 

e.g Polyethylene

Steel

Structure Performance

Single body, high density PU foam filled,steel frame inside

Combinded body, no polyurethane foam, no steel frame

Single body, no polyurethane foam

Maintenance

No need paint and water growth cleaning for the tail pipe and buoy body.

Need paint 1 time, water growth cleaning 1 time per year

Need paint 1 time, water growth cleaning 1 time per year

Deployment

 Small vessels 

Small vessels 

Large vessels 

Environmental Protection

No pollution

Need painting for tail pipe and light stand, pollute environment

Need painting for the whole buoy, pollute environment

Service Life

50 years

10 years

5 years

Impact resistance

Higher resilience,no deformation, no damaging, no leaking,no leaning, and no sinking, maintenance-free, continual use available

Leaking, leaning, and  sinking occurred once impacted, the buoy could not work again.

Leaking, leaning, sinking, and damaging vessels occurred once impacted, the buoy could not work again.