Auto darkening welding helmet is made of ADF-auto darkening filter and masks housing, the main part is the liquid crystal lenses, the quality of the liquid crystal lens will directly determine the the finished product. There are some simple identification method.
First, when we buy products, we should choose the regular manufacturers, the mask is used by protect ourselvs, select the guaranteed manufacturer.
Then, look at the housing, shell mold of a good product will has high precision, it has less smooth edges and reasonable protection area. Under the premise of ensuring the strength, as much as possible of soft and lightweight, long time to wear a thick mask is not comfortable.
In addition, look at the binding belt, it directly affect the worn feelings, it also is the most easily damaged part, you can test convenience and comfort, link structure is simple and reasonable. In the business permitting, repeatedly fold headband to see whether headband material is easily broken.
Finally, look for a long warranty period, the manufacturer can provide long warranty, the product quality will not be poor.
