Views: 3 Author: admin Publish Time: 2018-11-13 Origin: Site
Generally, we use all kinds of marine life jackets. The interior uses EVA foam material, which is compressed by 3D and has a thickness of about 4 cm (a domestically produced 5-6 thin hair material and a thickness of about 5-7 cm). Life jackets produced according to standard specifications have their buoyancy standards: generally 7.5 kg / 24 hours for adults and 5 kg / 24 hours for children to ensure that the surface above the chest. The surface is made of water-resistant and gas-permeable materials. In addition to paying attention to its buoyancy, it is also necessary to pay attention to the damage of the cross-belt interface to prevent gravity from floating after entering the water.
How to use marine life jackets:
1. Wear the life jacket whistle bag on the body.
2. pull the zipper, hands tighten the front strap, tie the neck strap
3. the award of the straps in the front and left cross-binding.
4. Check if each part is tight after wearing.