The lifebuoy has gradually entered our lives, and its appearance has brought convenience and comfort to our lives. Maybe you don't know enough about it. Next, I will introduce you in detail the requirements of a qualified lifebuoy.

1. Qualified lifebuoy products should have relevant material inspection reports, type test reports and ship bolt inspection certificates.

2. The outer color of the lifebuoy should be orange-red with no color difference. The surface of the lifebuoy should be free of irregularities and cracks. Four equally spaced positions along the circumference of the lifebuoy shall be surrounded by a 50mm width retro-reflective tape.

3. Dimensions: The outer diameter of the lifebuoy should not be greater than 800mm, and the inner diameter should not be less than 400mm. The periphery of the lifebuoy shall be equipped with a buoyant handle cable with a diameter not less than 9.5 mm 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 ring body. And form four grommets of equal length.

4. Where conditions permit, merchants are required to verify the weight, suture quality, strength, floatability, high temperature resistance and damage resistance of the lifebuoy in accordance with the requirements of the standards and specifications.