1996 Amendments of the International Convention for the Safety of Life at Sea 1974; the International Life-saving Appliance Code; Regulation for the statutory surveys of ships and offshore installation, MSC.81(70), MSC.226(82), MSC.97(73), MSC.48(66), MSC.200(80), MSC.36(63) and GB4302-2008
Cover fabric: Polyethylene plastics
Filler material: Stiff polyurethane foam
Buoyancy: ≥ 142N
Max.Stowage Height: 80m
Internal diameter: 460mm
External diameter: 750mm
DX-marine YY5556-II lifebuoy advantage
1. working temperature : -30℃-65 ℃。
2.The lifebuoy is intact after dropping from 30 meters high.
3.Flame retardancy： The lifebuoy is heated by high temperature flame and will not continue to burn and melt after removing.
4.buoyancy: Suspension 14.5kg block, 24 hours can still float.
5.Strength：No deformation after 30 minute suspension of 90kg weight.
6.Oil resistance:Soaking the lifebuoy for 24 hours without damage.
7.Procurement of the world's top raw materials.
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