This material is the window film with artificial UV melting quartz, this material has excellent transmission properties in addition, there are high stability, especially pure, high hardness, especially for the environment more easily damaged. 
 High-precision quartz window film financing 

 Indicators: 
 UV melting quartz materials ....................... 
 Aperture ....................... 85% 
 Surface shape ......................λ/10 @ 633nm 
 Parallelism .........................< 10 " 
 Finish ....................... 40-20 S / D 
 ........................ 0.25mm × 45 ° chamfer 


 Product No. 
 Diameter Ф ± 0.1 (mm) 
 Thickness T ± 0.2 (mm) 

 WN301 
 5.0 
 6.0 

 WN302 
 25.0 
 6.0 

 WN303 
 50.0 
 5.0 


 Standard financial quartz window film 

 Indicators: 
 UV melting quartz materials ....................... 
 Aperture ....................... 85% 
 Surface shape ................... λ (per 25mm) @ 633nm 
 Parallelism .........................< 10 " 
 Finish ....................... 40-20 S / D 
 ......................... 0.25mm × 45 ° chamfer 


 Product No. 
 Diameter Ф ± 0.1 (mm) 
 Thickness T ± 0.2 (mm) 

 WN401 
 5.0 
 3.0 

 WN402 
 15.0 
 3.0 

 WN403 
 25.0 
 3.0 

 WN404 
 50.0 
 3.0