3.Excellent visual and chemical
performance .
performance .
4. without surface coating and infectant. 
5. Health care and environmental protection. 6. Any dimension can be made.
7. CE.RoHs SGS approved.
7. CE.RoHs SGS approved.




|                          Shengfan Quartz plate characteristic |  | |
| *Brand | shengfanquartz | |
| *SIO2 | 99.99% | |
| *Density | 2.2(g/cm³) | |
| *Degree of hardness moh’ scale | 6.6 | |
| *Melting point | 1732℃ | |
| * Working temperature | 1100℃ | |
| *Annealing point | 1180℃ | |
| *Softening point | 1630℃ | |

| Setting Information |  | |
| Color | Transparent | |
| Shape | square/Circular / Round | |
| Standard | JGS1,JGS2,JGS3 | |
| Diameter | 1-800mm | |
| Thickness | 0.2-100mm | |
| Application | Optics quartz windows | |
| Light Transmittance | >92% | |
| Resistance Value | 1000 times than ordinary glass | |




| Density | 2.2x103 kg/m3 | Hardness | 5.5 - 6.5 Mohs' Scale 570 KHN 100 | 
| Design Tensile Strength | 4.8x107 Pa (N/m2) (7000 psi) | Design Compressive Strength | Greater than 1.1 x l09 Pa (160,000 psi)SMD 5730 | 
| Bulk Modulus | 3.7x1010 Pa (5.3x106 psi) | Rigidity Modulus | 3.1x1010 Pa (4.5x106 psi) | 
| Softening Point | 1730°C | Annealing Point | 1215°C | 
|  | JGS1(ZS-1) | JGS2(ZS-2) | JGS3(HS) | 
| Spectral characteristics | 180-2500nm | 200-2500nm | 260-3500nm | 
| The average transmittance | 90% | 85% | 85% | 
| Bubble class | 0 | 2 | 2 | 
| Birefringence | 1-2 | 1-2 | 1-2 | 
| Grain structure | 1 | 2 | 2 | 
| Fringe | 1-2 | 2 | 2 | 
| Uniformity | 1-2 | 2 | 2 | 
| Fluorescence | 1 | 2 | 2 | 
| Radiation Performance | Does not change clolor | Sight discoloration | Change color | 













