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The following is a list of the more common types of silicate glasses, and their ingredients, properties, and applications: Fused quartz, also called fused silica glass, vitreous silica glass, is silica (SiO2) in vitreous or glass form (i.e., its molecules are disordered and random, without crystalline structure).
There are two types of coated glass: online coated (hard coat) and offline coated (soft coat). As you might imagine, they have different properties. In fact, they actually look different.