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What is the difference between hard and soft glass UV lamps?

April 26, 2017glass hard Lamps soft UV

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What is the difference between hard and soft glass UV lamps?

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A. Noah systems exclusively use hard glass for lamp and Quartz Sleeve. Hard glass is pure-fused Quartz and maintains its ability to transmit UV light over a longer period of time. Soft glass lamps use a glass more like normal window glass, and the UV light causes this glass to solarize and inhibits the transmission of UV light. Normally, soft glass lamps do not last more than three (3) months. Hard glass lamps are designed to operate for at least one (1) year.