Borosilicate Glass “H-3-G1” with High Transmission

2017/08/03

“H-3-G1” borosilicate glass is high transparent grade glass of “H-3”.

Customized for press molding, “H-3-G1” has excellent moldability and shape processability. Due to its excellent moldability, it is used for various lenses made by OGC direct press molding.
“H-3-G1” can also be used as a pre-form material for precision glass molded glass lens as “H-3-G1” has a coefficient of expansion close to that of cemented carbide, which is used for mold material.

We can provide customized shape and size. Please feel free to contact us.

・　Refractive index: nd 1.492
・　Distribution: vd 64.70
・　Coefficient of thermal expansion: 53×10-7 / K
・　Glass transition point: 490 ℃
・　Young’s modulus: 69GPa

H-3-G1 Glass Data Sheet [ 603KByte PDF ]