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Colorless Borosilicate Optical Quality Glass High Temperature Resistance

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Colorless Borosilicate Optical Quality Glass High Temperature Resistance

Brand Name : UNIFORM

Model Number : AUTC-GP

Certification : RoHS, ISO, CE

Place of Origin : CHINA

MOQ : 200pcs

Price : negotiable

Payment Terms : T/T, Western Union, Western Union

Supply Ability : 200PCS/day

Delivery Time : 5-8 work days

Packaging Details : carton and wooden boxes

Material : high borosilicate

Color : Transparent

Usage : Lights, Medical, Optical

Shape : customized

HS code : 9001909090

Certificate : RoHS, ISO, CE

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Round and Square Shape High Clean Temperature Resistance Borosilicate Optical Glass for Home Appliance Parts

Product description:

Borosilicate glass is one of transparent colorless glasses, the wavelength is between 350nm to 2500nm, and the transimitance is more than 90%, the high temperature is up to 400°C,If course handling, the high temperature resiatant can reach 550°C.


1. Raw material: Borosilicate glass, Pyrex, Optical glass.

2. Processing: by Molding, Grinding, Polishing.

3. Surface quality: optical surface quality and well controlled tolerance

4. Inside quality: clear and transparent, no mold marks, no inside bubble and dirts.

5. Great heat resistance performance,stable chemical property.

6. Working field :widely used in high-temperature observation windows, lighting (high-power lighting panel), appliances, laboratory containers, solar, lighting and other fields.


AUTC Optical produces of high borosilicate glass, with a good appearance, high temperature, resistance strong pressure, acid and alkali, high transparency, good quality, After cutting, grinding, polishing, milling,Tempered and so on process to complete.


Specification of our quartz glass as following:
Range of diameter Dia.0.7mm-Dia.400mm
Range of curve radius R1.5-R∞ etc.
Tolerance of diameter +/-0.1, +/-0.01, +/-0.005 etc.
Surface accuracy λ , 1/2λ , 1/4λ , 1/10λ etc.
Tolerance of Thickness +/-0.1, +/-0.05, +/-0.01 etc.
Centration +/-2′,+/-1′ etc.
Aperture N 5, 1 etc.
Irregularity ΔN 2, 1, 0.5, 0.2 etc.
Surface quality 60/40, 40/20, 20/10, 10/5 etc.
Silicon content >80%
Strain and Temperature 520ºC
Annealing temperature 560ºC
Softening temperature 820ºC
Index of refraction 1.47
Transmittance >=90%
Elastic modulus E 67KNmm-2
Tensile strength 40-120Nmm-2
Processing temperature(104dpas) 1220ºC
Coefficient of thermal expansion(20-300ºC) 3.3×10-6/K-1
Poisson's ratio μ 0.2
Density(20ºC) 2.23g/cm3
Specific heat 0.9Jg-1K-1
Thermal conductivity 1.2Wm-1K-1
Water resistance(ISO 719) 1 Level
Acid resistance(ISO 195) 1 Level
Alkali resistance(ISO 695) 2 Level
CML resistant glass rod glass rod Φ6 × 30mm 300º
High Temperature Borosilicate Glass Belong to Float Series

Product Tags:

heat resistant borosilicate glass


high borosilicate glass

Buy cheap Colorless Borosilicate Optical Quality Glass High Temperature Resistance product

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