Lianyungang Wondero Optoelectronic Technology Co.,Ltd
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Arc shape quartz glass
glass plate for wafer substrates/ borosilicate plate for wafer substrates/ borosilicate glass plate for wafer substrates
Densityρ: | 2.23±0.02g/cm3 |
Hardness: | >7 |
Tensile strength: | 4.8×107Pa(N/M2) |
Bulk modulus: | 93×103Mpa |
Modulus of rigidity: | 3.1×1010Pa |
Young's modulus: | 63KN/mm3 |
Compressive strength: | 1200kg/cm2 |
Poisson's ratio: | 0.18 |
Thermal expansion coefficient: | (0-300℃)(3.3±0.1)x10-6K-1 |
Coefficient of thermal conductivity: | 1.2W×(m×k) -1 |
Specific heat capacity: | (20-100℃)00.82kJx(kgxk) |
Optical performance: |
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1.Light transmittance: | 92% |
2.The refractive index: | Nd:1.47384 |
3.The wavelength: | 435.8nm=1.481, 479.9nm=1.4772 , 546.1nm=1.4732 |
Softening point: | 810±10 ℃ |
The resistivity1gρ | 250℃8.0Ω×cm |
Dielectric coefficientε | 4.7 |
Dielectric strength | 5×107V/M |
Dielectric loss factor | tanσ(MC20℃)≤38×10-4 |
Resistance to cold and hot shock | 280℃ |
Continuous working temperature | ≤550℃ |
Water resistance: | ISO719 HGB Level 1 |
Acid resistance | ISO195 HGB Level 1 |
Alkali resistance | ISO695 HGB Level 2 |
