Name: Anti High Temp Sapphire Glass Window 4020 Sapphire Convex Lens
Brand: Jingjing
Price: 1 USD

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Anti High Temp Sapphire Glass Window 40/20 Sapphire Convex Lens

Categories	Optical Sapphire Shaped Pieces
Brand Name:	Jingjing
Place of Origin:	China
MOQ:	10 pcs
Payment Terms:	T/T,Western Union,
Supply Ability:	100000 pcs/Month
Delivery Time:	1-4 weeks
Packaging Details:	packed in Capacitor paper +Sponge paper+paper case
Certification:	ISO9001
Product name:	Irregular sapphire window
Material:	Sapphire
Chemical formula:	Al₂O₃
Purity:	99.999%
Fusion point:	2045℃
Boiling point:	2980℃
Diameter:	1-500mm
Diameter Tolerance:	0/-0.03mm
Thickness:	0.5-100mm
Thickness Tolerance:	±0.03mm
Parallelism:	≤3 ARC Min
Surface quality:	40/20
Chamfer:	0.1-0.3mm*45 degree
Clear Aperture:	85%-90%

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Anti-High Temperature Sapphire optical glass window sapphire lens Double side polished 40/20

SAPPHIRE IS HIGHLY ROBUST AT EXTREME TEMPERATURES:
A supported sapphire window can be taken to 1950℃ with no change to its shape and minimal reduction to mechanical performance. Sapphire windows are the perfect material for high temperature combustion chambers, gas processing and lamp shields.
Sapphire flats are ideal for furniture, boats and standoffs in high temperature furnace systems. Sapphire flats remain flat and dimensionally "perfect" up to 1700℃. Because of sapphire's extreme chemical resistance many materials will not stick to sapphire in spite of high temperatures.
Sapphire windows and flats maintain the highest temperature rating of all optical materials in both oxidizing and inert atmospheres.
Sapphire windows can withstand considerably higher temperatures than the closest runner up material, fused silica, with zero degradation. Fused silica will degrade and devitrify over time at temperatures almost half the maximum operating temperature of sapphire.

Sapphire Optical window Specifications:

Product name	Rectangle Sapphire Optical window
Material	Optical sapphire
Diameter	1-500mm
Diameter Tolerance	±0.03 mm
Thickness	0.1-100m
Thickness Tolerance	±0.03 mm
Parallelism	≤3 ARC Min
Surface quality	40/20
Chamfer	0.1-0.3mm*45
Clear Aperture	90%

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