Type ZHBFK-IImain technical paramerers:
1)Weight: 4.3kg;
2)Time of wearing: <2min;
3)Buoyancy: Buoyancy>150N; After falling into water the wearer within 5 seconds keep heads, neck, and shoulder above the water; Freeboard>120mm; 24h: <5%;
4)Heat preservation performance: The wearer floating 6h in the 0degree~2degree lenitic, animal heat don't reduce less than 2degree;
5)Waterproof performance: After diping in water 1h, add the weight<200g;
6)Store temperature: -30degree~+65degree