Glass products
Glass products
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IR Optical Glass HWB1 HWB3 HWB4
Our products IR optical glass HWB Series are respectively equivalent to black color filter glass RG7 of Germany Schott and infrared transmitting filters RM86,90 of Japan Hoya.
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Heat Absorbing Filters GRB1 GRB3
Our products heat absorbing filters GRB1, GRB3 are respectively equivalent to optical filters KG2, KG3 of Germany Schott and optical glass HA50, HA30 of Japan Hoya.
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They efficiently absorb thermal radiation emitted from light sources and are highly effective when employed for slide projectors and illumination equipment.
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