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Lifebuoy, rubber and plastic lifebuoy
Polyethylene composite lifebuoy uses high-density polyethylene as its body
Filled with high-density polyurethane closed-cell foam? The plastic has stable color and anti-aging
Products according to IMO A.689(17)Requires production, and its quality meets the requirements of the 1974 amendment to the International Convention for the Safety of Life at Sea in 1983 and the requirements of MSC.81(70)
2.5KG Outer diameter: 720mm Inner diameter: 440mm Thickness 105 mm
4.3KG outer diameter: 760mm, inner diameter: 460mm, thickness: 105mm
Buoyancy: 14.5
Marine lifebuoy
Integral life buoy integral life buoy (a life buoy manufactured by the one-time integral molding process of the ring body)
Stuffing life buoy inside the shell (using the integral molding of the ring body shell and internal filling
(Lifebuoy made by the craftsmanship of the material)
According to the manufacturing process, the lifebuoy is divided into: A type-integral life buoy, B type-shell filled life buoy
Markup example
The integral lifebuoy is marked as: Lifebuoy GB4302?2007A
The filled lifebuoy in the shell is marked as: Lifebuoy GB4302?2007B
Production requirements
Lifebuoy
Exterior
The outer color of the lifebuoy should be orange-red, and there should be no
.
The surface of the lifebuoy should be free of unevenness and cracks.
Four equally spaced locations along the circumference of the lifebuoy shall be affixed with a 50? width retro-reflective tape.
size
The outer diameter of the lifebuoy should not be greater than 800?, and the inner diameter should not be less than 400?.
The periphery of the lifebuoy should be equipped with
Floatable handle cable with a length not less than 9.5? and a length not less than four times the outer diameter of the lifebuoy. This cable should be fastened at four equidistant positions around the circumference of the ring body and form four grommets of equal length.
weight
The weight of the lifebuoy should be greater than 2.5 ?. A lifebuoy equipped with a spontaneous smoke signal and a rapid throwing device attached to a self-illuminating floating light should weigh more than 4 ?.
material
The material of the integral lifebuoy and the inner filling material of the lifebuoy in the shell shall be closed-cell foam materials.
performance
The lifebuoy should be resistant to high and low temperatures, without shrinkage, cracking, expansion, or decomposition.
After the lifebuoy is dropped from the specified height, there should be no cracks or breaks.
The lifebuoy should be resistant to oil, without shrinkage, cracking, expansion, or decomposition.
The lifebuoy should be fire-resistant and should not burn or continue to melt after being overfired.
The lifebuoy should be able to support 14.5kg
The block continued to float in fresh water for 24 hours.
When the lifebuoy is freely suspended, it should be able to bear a weight of 90kg for 30 minutes without cracking or deformation.
For lifebuoys equipped with a spontaneous smoke signal and a rapid throwing device attached to a self-illuminating floating lamp, the device should be triggered when released.