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XXDTB Bridgelux Citizen COB LEDs Optical glass (high borosilicate,K9,BK7,BK270) Optical Lenses For High bay light,Spotlight,Street light.

It has extremely low thermal expansion coefficient, extremely high temperature resistance, excellent chemical stability, exce

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Bridgelux Citizen COB LEDs Optical glass (high borosilicate,K9,BK7,BK270) Optical Lenses For High bay light,Spotlight,Street light.

It has extremely low thermal expansion coefficient, extremely high temperature resistance, excellent chemical stability, exce

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5~45mm diameter small size Bridgelux Citizen COB LEDs Optical glass (high borosilicate,K9,BK7,BK270) Optical Lenses For High bay light,Spotlight,Street light.

It has extremely low thermal expansion coefficient, extremely high temperature resistance, excellent chemical stability, exce

Continue reading