Brief introduction of welding protective filter
Product No.: sbgx_ 0017
Specification and model:Processing for you according to your requirements!
Technical indicators:
1. Material: optical welding protective glass, BK7, K9, B270 glass lens
2. Surface quality: 0/0,40/20 ~ 80/50
3. Surface accuracy: 1/10 in, 1/4 ~ 2 in
4. Thickness tolerance: ± 0.01mm ~ ± 0.02mm
5. Parallelism: 5arc second ~ 1arc minute
6. Processing range: the thickness can reach 0.2mm
7. Coating
8. Tempering
Company:Hai'an Subei optical lens factory
Contacts:Mr. Guo
Tele:051388797189
Mobile:13906277565
E-mail:sbgxjp@163.com
ADD:Haian Qutang Liuwei Industrial Zone