Water-resistant putty is a kind of construction putty, especially a type of putty that can meet the N-type, that is, the water-resistant putty standard in the standard for building interior putty (JG/T3049-1998). "Building Interior Putty" (JG/T3049-1998) is a minimum standard that must be achieved in indoor building putty products. All putty that does not meet the requirements of this standard is a non-conforming product and is prohibited from being sold and used.
Windows are desiged for use in optical systems to separate two enviroments while passing a particular spectral range between them.Applications include laser set-ups (e.g.at Brewster's angle),emitter,detector protection devices, such as in sepctrophotometers and imaging systems.
China Star Optics offers all types of windows made from different materials. Such as N-BK7, Fused silica, sapphire,CaF2, Silicon, Borofloat, high borosilicate glass and other optical glass supplied by Schott and Chinese CDGM are available upon request. Windows at shape of round,quadrate, triangular or other polygonal are also available upon request.In addition, we provide a variety of single layer or multiplayer anti-reflecting coating,HR,PR coatings on Optical Windows.
Specification of our optical windows as follow:
*Material:high borosilicate glass, BK7,UV-grade fused silica (JGS1) or other optical crystals materials
*Length tolerance:+/-0.01
*Width tolerance:+/-0.01
*Center thickness tolerance:0.005mm
*Surface quality:80-50 to 10-5 Scratch/Dig
*Surface flatness:<lambda to lambda/20
*Parallelism<=1min -- 2sec
*Clear Apenture:80% -- 100%
Infrared Window,Zinc Selenide Windows,Znse Wedged Window,Zinc Selenide Laser Window
China Star Optics Technology Co.,Ltd. , https://www.realpoooptics.com