Color glass filters company

Color glass filters company

Factory overview

We are one of the worldwide leaders in the production of color glass filters. Our production area and workshops cover an  area of more than 7000 m².

Melting Furnace (GAS)
Melting Furnace (GAS)
Anneal Furnace
Anneal Furnace
Discharge Glass
Discharge Glass

We ahve two workshops:

1°: melting area in which we melt more than 170 different types of glass materials

2°: processing area in with polishing machine and cleaning rooms

Cleaning Room
Cleaning Room
Polish machine
Polish machine

Our main advantages

    1. We melt the optical glass filter material by ourself so we have under control 100% of our production.
    2. We can develep new filters according to customer specifications.
    3. We could conveniently adjust the raw material production plan in case of urgent orders if required.
    4. we have a large stock of raw material in our wharehoue
    5. There is no need to to worry about the lack of raw material leading to the stop of production, we do all internally.
    6. Production flow 100% under control: raw material, semi-finish, grinding, lapping, polishing, coating.
    7. Optical filters and glasses are handled  in cleaning rooms in order to prevent contaminations and pollution.
Infrared Filter

Filters available

Yellow Glass(JB)
Yellow Glass(JB)
Orange Glass(CB)
Orange Glass(CB)
Red Glass(HB)
Red Glass(HB)
Infrared Filter
Infrared Filter
Neutral Density (ZAB)
Neutral Density (ZAB)
UV Glass(ZWB)
UV Glass(ZWB)
Heat Absorption Glass
Heat Absorption Glass
Blue Glass
Blue Glass
Laser safety glass
Laser safety glass
Specification
DimensionAccording to customers spec
Thickness tolerance (mm)±0.1 (standard)
±0.02 (high precision)
Surface quality60/40 (standard)
20/10 (high precision)
Flatnessλ/2 (standard)
λ/4 (high precision)
Parallelism<3 arc min (standard)
<10 arc sec (high precision)