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Glass Type Glass Code nd νd Specific Gravity Coloring
573573 1.572500 57.30 3.17 340/300
540595 1.539960 59.52 2.84 330/295
569560 1.568830 56.00 2.84 360/330
Glass Type Glass Code nd νd Specific Gravity Coloring
553551 1.552981 55.07 2.62 350/300