How to judge safety gloves are invalid?

Safety gloves should be familiar to everyone, and it is an essential daily necessities in our daily life. However, safety gloves also have service life, especially chemical resistant gloves, which have many requirements when using. The actual and current using conditions can help us to judge whether gloves have expired, there is no way to play their effect if they are invalid, then the supplier & wholesaler of safety gloves will briefly describes how to judge whether chemical resistant gloves are invalid.

Protective gloves are partially discolored, especially in fingers that are exposed to chemicals, the surface of gloves has undergone chemical changes and lost their protective effect. Glove swell, namely gloves expand in volume because material adsorbs solvent molecules. The rubber surface of dipped gloves is cracked and liquid penetrates into work gloves. Gloves are obviously hardening and brittleness after they are used. It proves that chemical gloves have failed if they have above condition, at this time, users should stopped using immediately. If you continue to use it, it will not protect your hand and may cause harm to your body.