Annealed glass: float glass accounts for more than 90% of sheet glass in the United States.
The process of annealed glass like this: as the liquid glass flows through the molten tin, the glass gradually cools and forms, making the glass smooth.
Then, the glass is cooled gradually through the annealing furnace to remove the stress in the annealing process.
When annealed glass is broken, long and sharp edge fragments can form, which may result in injuries such as cuts or punctures.
Therefore, annealing glass breakage does not meet the criteria of 16CFR 1201 standard "safe crushing".
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