Goggles, as a key piece of equipment for swimming, their quality control directly affects the comfort of use, water resistance, and safety. The following are the core points of quality control for goggles, divided into technical standards and practical suggestions:
1. Technical Standards
Material Safety
Lens: Must pass FDA or EN71 certification to ensure no harmful substances such as BPA; UV-blocking rate ≥ 99%.
Sealing Ring: Silicone material must meet ISO 10993 skin irritation test, softness (Shore hardness 40-60A).
Headband/Adjustment Buckle: Resistant to chlorine salt corrosion (pass 72-hour 5% hypochlorous acid immersion test)
Durability of Anti-fog Coating (effective after 50 times of warm water rinsing, according to ISO 18526 standard)
Sealing and Waterproof: Dynamic waterproof test (simulate 1-hour breaststroke movement, water intake ≤ 0.1ml)