What materials do you have instead of silica powder?
The best guide light transmission rate can reach 90%, and the fog is very high, is very white. These products are generally large manufacturers in the market to sign. You have to find an acquaintance to buy it.
According to the guide light transmittance is divided into several. The most typical is silica, but the brightness of the silica has not been ideal for addition to the resin. There are many developed new conductive powder, haze higher, higher brightness. Better than silica.