Product Descriptions:
| Product Name | GRB1, GRB3 Heat-Absorbing Glass |
| Type: | Selective Absorption Type |
| Color: | Blue-green |
| Thickness (mm): | GRB1: 3mm; GRB3: 2mm |
| Material: | Color Glass |
| Shape: | Round, Rectangle, Square, or Customized |
| Dimension (mm): | Customized |
| Spectral Range (nm): | 200–1100nm |
| Remark: (1) Optical performance strongly depends on glass thickness. GRB1 data is based on 3mm thickness; GRB3 data is based on 2mm thickness. (3) Customized shapes and dimensions are available. | |
Heat Absorbing Glass Characteristics:
| Type | Thickness (mm) | A[2856k] | D65 | Chemical Stability | ND | α×10-7 (/℃) | Tg (℃) | Ts (℃) | S | |||||
| x | y | Y | x | y | Y | DA | DW | |||||||
| GRB1 | 3 | 0.439 | 0.412 | 91.7 | 0.37 | 0.33 | 90.8 | 3 | 2 | 1.51 | 59 | 587 | 656 | 2.54 |
| GRB3 | 2 | 0.44 | 0.413 | 86.5 | 0.311 | 0.334 | 87.4 | 2 | 3 | 1.512 | 59 | 587 | 656 | 2.55 |
Technical Indexes
| Type | Thickness (mm) | 420 (nm) | 500 (nm) | 600 (nm) | 700 (nm) | 800 (nm) | 900 (nm) | 1000 (nm) | 1060 (nm) | 2200 (nm) |
| GRB1 | 3 | ≥85.0 | 45.0-70.0 | ≤4.0 | ||||||
| GRB3 | 2 | 365 ≥81.9 | ≥81.0 | ≥76.4 | ≤50.6 | ≤12.9 | ≤2.8 | ≤0.1 | ≤0.9 |
Spectral graph
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| Picture:Spectral Transmission Graph of GRB1 and GRB3 Heat-Absorbing Glass |
Related products:
BG39, BG40 Blue Glass, Selective Absorption Type, NIR Cut-off Color Filter Glass
Shenzhen Hengda Liyuan Optoelectronics is focus on optical coating and optical filters solution, can provide but cut-off type glass and selective Absorption type glass.
- Cut-off Type Glass: Ultraviolet Glass, Golden(Yellow) Glass, Red Glass, Infrared Glass
- Selective Absorption Type Glass: Ultraviolet Glass, Violet Glass, Green Glass, Golden(Yellow)Glass, Red Glass, Infrared Glass, Protective Glass and Heat absorbing Glass.














