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AboutShijiazhuang Zeyuan Optics Co., Ltd. was founded in 1989. We are professional manufacturer integrating colored glass melting and optical filters producing.
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ProductsOur main products include heat absorbing filters, neodymium filter glass, rising color temperature glass, IR optical glass, UV pass optical filter glass, colored optical filters, neutral density filters, bandpass filters...
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BlogsOver the past thirty years since its establishment, our company has always adhered to the entrepreneurial spirit of proactive, innovative, perseverance to provide high-quality products and perfect services to many customers in domestic and abroad.
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ContactShijiazhuang Zeyuan Optics Co., Ltd. was founded in 1989. We are professional manufacturer integrating colored glass melting and optical filters producing.
Product
Heat Absorbing Filters GRB2
Focus on Colored Glass Melting and Optical Filters Manufacturing for Over 30 years'.
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Category：
- Product description
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Our product heat absorbing filter GRB2 feature high transmittance in the visible region and good absorption of heat rays (infrared rays). They efficiently absorb thermal radiation emitted from light sources and are highly effective when employed for slide projectors and illumination equipment. To prevent a filter glass from being broken by rapid heating or cooling, this optical filter can be also provided as a thermal toughening tempered glass.
Main Application: Medical equipment, operating room, slide projector, slider and projector.
Type：GRB2 Thickness：T=3.00MM
nm T% 1100.00
-0.1
1095.00
-0.1
1090.00
-0.1
1085.00
0.0
1080.00
0.0
1075.00
0.0
1070.00
0.0
1065.00
0.0
1060.00
0.0
1055.00
0.0
1050.00
0.0
1045.00
0.0
1040.00
0.0
1035.00
0.1
1030.00
0.1
1025.00
0.1
1020.00
0.1
1015.00
0.1
1010.00
0.1
1005.00
0.1
1000.00
0.1
995.00
0.1
990.00
0.1
985.00
0.1
980.00
0.2
975.00
0.2
970.00
0.2
965.00
0.2
960.00
0.3
955.00
0.3
950.00
0.3
945.00
0.4
940.00
0.4
935.00
0.5
930.00
0.5
925.00
0.6
920.00
0.6
915.00
0.7
910.00
0.8
nm T% 905.00
0.9
900.00
1.0
895.00
1.2
890.00
1.3
885.00
1.5
880.00
1.6
875.00
1.8
870.00
2.1
865.00
2.3
860.00
2.6
855.00
2.9
850.00
3.2
845.00
3.6
840.00
4.0
835.00
4.5
830.00
5.0
825.00
5.5
820.00
6.2
815.00
6.8
810.00
7.5
805.00
8.3
800.00
9.2
795.00
10.1
790.00
11.1
785.00
12.1
780.00
13.2
775.00
14.4
770.00
15.7
765.00
17.0
760.00
18.5
755.00
20.0
750.00
21.6
745.00
23.2
740.00
24.8
735.00
26.6
730.00
28.4
725.00
30.2
720.00
32.1
715.00
34.1
nm T% 710.00
36.1
705.00
38.2
700.00
40.3
695.00
42.6
690.00
44.8
685.00
47.0
680.00
49.4
675.00
51.6
670.00
53.5
665.00
55.4
660.00
57.4
655.00
59.4
650.00
61.4
645.00
63.3
640.00
65.3
635.00
67.2
630.00
69.0
625.00
70.8
620.00
72.5
615.00
74.2
610.00
75.7
605.00
77.1
600.00
78.4
595.00
79.5
590.00
80.6
585.00
81.5
580.00
82.2
575.00
83.0
570.00
83.5
565.00
83.9
560.00
84.3
555.00
84.4
550.00
84.5
545.00
84.2
540.00
83.8
535.00
83.5
530.00
83.7
525.00
83.7
520.00
83.8
nm T% 515.00
84.0
510.00
84.3
505.00
84.5
500.00
84.3
495.00
84.1
490.00
83.9
485.00
83.5
480.00
83.3
475.00
83.0
470.00
82.7
465.00
82.3
460.00
82.0
455.00
82.2
450.00
82.5
445.00
82.5
440.00
82.4
435.00
82.3
430.00
82.0
425.00
81.8
420.00
82.1
415.00
82.8
410.00
83.3
405.00
83.9
400.00
84.5
395.00
85.4
390.00
86.3
385.00
86.8
380.00
86.9
375.00
86.5
370.00
85.9
365.00
85.2
360.00
83.9
355.00
81.4
350.00
78.6
345.00
75.4
340.00
71.8
335.00
67.1
330.00
60.9
325.00
53.3
nm T% 320.00
44.4
315.00
34.9
310.00
25.6
305.00
17.3
300.00
10.2
295.00
5.0
290.00
1.7
285.00
-0.3
280.00
-1.4
275.00
-1.9
270.00
-2.1
265.00
-2.1
260.00
-2.1
255.00
-2.0
250.00
-1.9
245.00
-1.7
240.00
-1.4
235.00
-1.2
230.00
-1.2
225.00
-1.2
220.00
-1.2
215.00
-1.4
210.00
-1.7
205.00
-2.6
200.00
-4.5
Product Inquiry
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OPTICAL LENS EXPERT
We truly realize one-stop service from raw material melting to end product production, and provide customers with a full range of technical solutions.
CONTACTEZ-NOUS
Tel/WhatsApp: +86-13722872933
Email: zyoptics@zygx.cn
Add: Xiqiaotou Industrial Area, Shenze County, Shijiazhuang, Hebei, China
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