New product, buy Windows on China Suppliers Mobile

Product Details

Borosilicate( Pyrex) glass is one of transparent colorless glass, through wavelength is between 300 nm to 2500 nm, transmissivity is more than 90%. Coefficient of thermal expansion is 3.3. It can acid proof and alkali , the high temperature resistant is about 450°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.

Attribute	Specification
Material	Pyrex
Typical Diameter (Φmm)	8.0, 10.0, 12.7, 15.0, 20.0, 25.4, 30.0, 50.8
Typical Thickness (mm)	1.0, 2.0, 3.0, 4.0, 6.35
Diameter Tolerance (mm)	+0.0/-0.2 (General), +0.0/-0.02 (High Precision)
Thickness Tolerance (mm)	±0.2 (General), ±0.005 (High Precision)
Clear Aperture	>80% (Small Size), >95% (Large Size)
Parallelism	3 min. (General), 3 sec. (High Precision)
Surface Quality	60/40 (General), 10/5 (High Precision)
Flatness (per 25mm@633nm)	λ/4(General), λ/10 (High Precision)
Bevel (face width x 45°)	<0.25mm
Coating	Uncoated, AR, HR, PR Coating, etc.

Note for Pyrex Window:
(1). Custom-made windows at any size are available.Besides round, windows at shape of quadrate, triangular, or other polygonal are available.
(2). Thickness from 1.0mm to 50.0 mm is available upon request.
(3). 100% clear aperture is available upon request.
(4). Better bevel is available upon request.
(5). Windows with Anti-Reflective(AR), High-Reflective(HR), Partial-Reflective(PR) coating are available.