Withstanding high optical temperatures of up to 150 °C, the colourless and crystal-clear WEPESIL silicone casting resin VT 3602 KK is suitable for a use in optoelectronics, in particular when it comes to coating high power LEDs. Even when applied in high layers or when exposed to long-term thermal stress, this solvent-free 2-pack silicone elastomer displays a very high transparency in the entire wavelength range of visible light, as well as an excellent yellowing resistance.
In addition, the WEPESIL silicone casting resin VT 3602 KK is highly weather and UV resistant, besides its very high elastic and tear resistant properties.
An optimum mixing ratio of 1:1 parts by volume or weight and a pot life of 4 to 5 hours ensure a simple processing of this product. Curing is possible at room temperature but can be distinctly accelerated by applying heat.
