lab watch glass breaker Cover


Environmental friendly lead-free glass is the best material for making a watch glass, which is reusable, non-toxic, and easy to clean; featuring a smooth surface and high degree of transparency. note: cannot be heated directly.They not only can be used for vaporizing liquid, but also can be used as a lid for other chemical containers.

Environmental friendly lead-free glass is the best material for making a watch glass, which is reusable, non-toxic, and easy to clean; featuring a smooth surface and high degree of transparency. note: cannot be heated directly.

They not only can be used for vaporizing liquid, but also can be used as a lid for other chemical containers.

Materialoptical glass,BK7 ,Fused silica, JGS1,JGS2,JGS3,Low iron glass,soda lime glass,borofloat 33(BF33)
Diameter 1-500mm
Thickness0.1-50mm
Diameter Tolerance±0.01 mm
Thickness Tolerance±0.01mm
Surface Quality80/50,60/40,40/20,20/10
Clear Aperture>90%
parallelism<3 arcmin
CoatingCustom
Bevel0.1~0.3mm x 45 degree


Deutsch Espanol Francais Italiano Portugues Japanese Korean Arabic Russian