“H-3” is OGC’s original borosilicate glass with excellent thermal shock and weather resistant characteristic. “H-3” is widely utilized in harsh environments, for exmaple, automobile headlight cover glass and laundry machine cover glass etc.
Also, “H-3” is used for a housing glass sphere of deep sea investigation system that requires high durability withstanding water pressure in deep seas of 8,000m or more.
“H-3” supports your applications in use of harsh environments.

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Borosilicate Glass “H-3-G1” with High Transmission
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Glass Sphere for Deep Sea Pressure Housing