Glass GRADE "Glass grade properties" typically refer to the specific characteristics and qualities of glass that determine its suitability for various applications. Glass comes in a wide range of types and grades, each with its own set of properties that make it suitable for different purposes.High grade silica sand manufacturer for Glass Industries serving both Float glass as well as container glass Industries. We are manufacturing around 3000 to 5000 Tons of Glass Grade Sand per month. Here are some important glass grade properties: Properties: 80 - 100 ppm 130 - 150 ppm 150 - 200 ppm 200 - 250 ppm 250 - 300 ppm 300 - 500 ppm Transparency: Glass is known for its transparency, allowing light to pass through. The level of transparency can vary based on factors such as the type of glass, its thickness, and any coatings or treatments applied to it. Hardness: Glass is a hard material, but its hardness can differ based on the specific type of glass. Some glasses are more scratch-resistant than others.