Difference between Extra clear Glass & Normal glass

Difference between Extra clear Glass and clear glass
My name is Kavish Hasan
The extra clear glass is a type of float glass, which has very low iron content and hence is also called low iron glass. The iron content in float glass is usually 830 – 850 ppm (parts per million), while iron content in an extra clear glass is less than 150 ppm. It allows almost 92% of visible light to be transmitted. An extra clear glass is a colourless transparent glass and provides very clear view.
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