Supply capacitance-type touch screen special optical glue, capacitive touch screen of the structure mainly is on the glass screen layer which is transparent to the film body layer, and then outside the conductor layer coupled with a protection glass, double glass design can completely protect the conductor layer and sensing devices, light transmittance. Such OCA optical glue products applicable to all types of capacitive touch screen assembly, specifications 25um, 50um, 75um, 100um, 125um, 175um, 200um and other kinds of specifications, high adhesion and peel strength, high temperature, high humidity and UV resistant of light. Durability, the same yellow, no delamination or degradation.