Factory manufacture hardened/Tempered DIN7080 BF33 borofloat glass light cover
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- Supplier: Nantong Lianze Promise Technology Co. Ltd.
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Product Overview
Description
Factory manufacture Tempered DIN7080 borosilicate glass cover for light
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
Density ρ: | 2.23+/-0.02g/cm3 | ||||||
Hardness: | >7 | ||||||
Tensile strength: | 4.8x107Pa(N/M2) | ||||||
Bulk moduluds: | 93x1103 M pa | ||||||
Modulus of rigidity: | 3.1x1010Pa | ||||||
Young's modulus: | 63KN/mm3 | ||||||
Compressive strength: | 1200kg/cm2 | ||||||
Possion's ratio: | 0.18 | ||||||
Coefficient of thermal conductivity: | 1.2Wx(mxk)-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 resistivity 1gρ | 250℃ 8.0Ωxcm | ||||||
Dielectric coefficientε | 4.7 | ||||||
Dielectric strength | 5x107V/M | ||||||
Dielectric loss factor | tano(MC20℃)≤38X10-4 | ||||||
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 | ||||||
Details Images
Tempered borosilicate glass
Surface: Polished surface
Edge: protective chamfer
Shape: customize as requested
Transmission: 90%
Tolerance: +/-0.05mm to +/-0.1mm
Logo: silk print
with logo print
silk print +adhesive tape
with hole
Crystal
customize shape
Packing&Shipping
Payment Terms:
Company Introduction
Our products are extensively used in optical equipment,.Included optical color filters,APO Telescope,optical lens,prism,bandpass filter,optical window,PMMA ir longpass filter with 3M tape,glass window with VHB tape,silk print glass,IR infrared filter,UV filter,fused silica glass,KG insulated glass,optical coating glass...
It is mainly used in photographic equipment, instruments, optical instruments, medical instruments, teaching instruments, slide machine, projector, ultraviolet analyzer, financial instruments, airport lamps, infrared thermal imager, beauty instrument, security products, etc
Certifications
FAQ
Q: Do you provide samples? Is it free or charged?
· We'd like to supply samples for free if we have it in stock, and free shipping to your agent in china or the ship to your country as freight collect.
Q: How long is your delivery time?
· Regarding inventory, it is 3 working days;
· For customized one, it's about 5-10 working days, depended on exact quantity and order date.
Q: Is it possible to customize special dimension?
· Yes, to customize special are available here.
Q: How to pay?
· T/T, Alibaba online assurance payment, West Union, Paypal and so on.
Q: How to ensure the safety of payment?
· Lianze promise Co., LTD is a gold supplier on Alibaba, reputation and quality is life of our company, and we support Alibaba Trade Assurance.
Q: How do you ship goods?
· Low value sample: EMS E Express of China Post, which is cheap;
· Light weight parcel: DHL, FedEx, TNT, UPS, EMS, SF Express, China Post;
· Heavy cargo: by air or by sea, ship on pallet.
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