Home > Products > Special Glass Products > Round shape frosted high temperature pyrex boiler sight glass discs
Round shape frosted high temperature pyrex boiler sight glass discs
- 100000 Kilometer / Kilometers per Month
- Qingdao
- T/T
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Product Details
| Place of Origin: | Shandong, China | Brand Name: | Vatti | Model Number: | pyrex glass discs |
| Function: | Decorative Glass, Heat Absorbing Glass | Shape: | Curve, Flat | Structure: | Solid |
| Technique: | Clear Glass, Frosted Glass, Stained Glass, Tempered Glass, Tinted Glass | Type: | Other, Borocilicate glass discs |
Product Description
Round shape frosted high temperature pyrex boiler sight glass discs
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 |
Specifications
Borosilicate pyrex glass sheet
1.own factory
2.high quality
petitive price & prompt delivery
4.best service
Size and thickness:
Square type
100mmx100mmx(thickness 1mm-30mm)
150mmx150mmx(thickness 1mm-30mm)
200mmx200mmx(thickness 1mm-30mm)
200mmx400mmx(thickness 1mm-30mm)
300mmx300mmx(thickness 1mm-30mm)
400mmx400mmx(thickness 1mm-30mm)
Circular shape
Diameter 50mmx(thickness 1mm-30mm )
Diameter 100mmx(thickness 1mm-30mm )
Diameter 150mmx(thickness 1mm-30mm )
Diameter 198mmx(thickness 1mm-30mm )
BOROSILICATE GLASS APPLICATION:
Substrates for dielectric coatings
Lighting applications
Optical filter coating substrates
Wafer substrates
Anodic bonding applications
Biotechnology
Photovoltaics
Environmental technology
Harsh environments
Neutron absorbers
Measurement and sensor technology
Sight glass and optical glass
Why choose us?
Q1 How fast can i get the quotation?
A:We usually quote within 24 hours after we get your inquiry.If you are very urgent to get the pricce, please call us or tell us in your email so that we will regard your inquiry priority.
Q2 How can i get a sample to check your quality?
A:After price confirmation.you can require for samples to check our qulity.
If you need the samples, if our invetory stocks, and some products can supply free samples, but the freight is on your site.
Q3 Can you do the desigh for us?
A:Yes, we have a professional team having rich experience in drawing design and manufacturing. Iust tell us your ideas and we will help to carry out your ideas.
Q4 What about the lead time for mass production?
A:Honestly, it depends on the season you place the order. The lead time of 500pcs is about 8 Working days.
Q5 What is your terms of delivery?
A:We accept EXW,FOB,CIF,ect. You can choose the one which is the most convenient or cost effective for you.
Customer satisfaction is very important to us.
If you have any problem with your order,please contact us and we will do our best to make you satisfied
As long as you are happy with your purchase, please leave a positive feedback for us.
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My friend! Contact us With the following now!
Contact Us
- Qingdao Vatti Glass Co., Ltd.
- Contact nameJohnny Yu
- Phone0086-532-83986393
- Address Da Huan Jiu Commericial District, Jiaozhou City Qingdao,Shandong
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