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Sight Glass Tempered Borosilicate Glass with factory price
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Meorient Import & Export Co.LTD
China - Hangzhou
Trading Company
Trade Capacity
Export Percentage
Nearest Port
Hangzhou,Shanghai
Accepted Delivery Terms
Employees
5-10人
Accepted Payment Currency
USD,CNY
Average Lead Time
45 Day(s)
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Product Specifications
--Product Description
Reinforced Glass Tempered Borosilicate Sight Glass Tempered Borosilicate Glass
Product Description
High Borosilicate glass
Borosilicate Glass is one of transparent colourless glass, through wavelength is between 300 nm to 2500 nm, transmissivity is more than 90%. Coefficient of thermal expansion is 3.3. It can acidproof and alkalifast ,the high temperature resistant is about 400°C. If course handling , the high temperature resistant can reach 550°C or so. Apply to lighting fixture , chemical industry , electron, high temperature equipment and so on
Borosilicate Glass Sheet Technique Index Sign:
1.Surface quantity:0/0,40/20 80/50
2.Surface accuracy:1/10 into,1/4 into2 into
3.Thickness business trip:±0.02mm
4.Center deviation:5Arc second1Arc Minute
5.Process the scope:The thickness is the most thin to attain 0.5mm
6.Coated
7.Tempered
Densityρ: | 2.23± 0.02g/cm3 |
Hardness: | >7 |
Tensile strength: | 4.8×107Pa(N/M2) |
Bulk modulus: | 93×103 M pa |
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: | |
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 |
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