All mass production commercial panels, use low iron (high transmissive) tempered glass. There may be some specialty panels in odd sizes, or curved, that use liquid, but the cure time is way too long for mass production. I think a solar laminate machine has about a 5 min cycle time.
Look at the spec sheet for panels, 90% are using glass. [low iron tempered]
Look at the spec sheet for panels, 90% are using glass. [low iron tempered]
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