sport goggles manufacturer

  In today's society, there are tens of thousands of types of resins that have been reported, and no fewer than a thousand types have been industrialized.  The  selection of  plastic materials  is to choose a suitable one among the many resin varieties. It seems that there are many types of plastics for us to choose from, but in fact, not all resin varieties have obtained specific applications. The selection of plastic materials we are referring to is not an endless choice, but among the commonly used resin varieties. Optional. Principles for the selection of plastic materials: 1. Adaptability of plastic materials A, performance comparison of various materials B, Conditions for not choosing plastic C, and suitable conditions for the selection of plastics. 2. Use performance of plastic products Suitable conditions for plastic products A, the force of plastic products B, electrical properties of plastic products C, dimensional accuracy requirements of plastic prod...

  Fogging of   swimming goggles   is a normal phenomenon, just like the windshield of a car, no matter how expensive it is, it is impossible to avoid fogging completely. If you are a person who often swims, then you should pay more attention to the waterproof effect rather than the anti-fog effect. When using a standard swimming posture, your sight is underwater most of the time, and it doesn’t matter if you get some fog. If it’s water, it will be troublesome. One of the more interesting jokes is what do swimmers think in the water during a competition? The answer is: don't leak, don't leak! The anti-fog and sharpness were the best in the period of time when the glasses were just bought. The more expensive goggles last longer. The inner wall of these goggles has been specially treated, but it can be used dozens of times. There are many anti-fogging tips, but the effect is limited. The application of anti-fogging agent and saliva can only be effective in a short time. The ...