Place of Origin : Wuxi,China
Application: for Led street light ,Tunnel light, Led light
Beam angle: 150*80 degree
Material Description
*Material: high borosilicate glass 3.3
*Refractive index:1.474
*Light transmittance:94%
*Working Temperature: from -50degree to 550degree
*Color: transparent
*Tensile strength:40- 120Nmm - 2
*Certificates:ISO9001/RoHS/SGS
* A low inflation rate, high temperature resistant, high strength, high hardness, high light transmittance and high chemical stabi