7.85 tons / cubic meter. The unit weight is also known as weight density. There are two kinds of understandings about it: 1. It refers to the weight of the object in unit volume, is commonly used to refer to the weight of a cube in engineering, such as the weight of soil mass per unit volume. 2. It shows the gravity property of object affected by gravity, for homogeneous fluid it refers to the gravity per unit volume. Its unit is: N / cubic meter.
Glass cotton is the general term of fibrous silicate minerals which can be split into long and narrow flexible fibers. Glass cotton are manufactured to meet the requirement of large-area pave, apart from the unique thermal insulation property, they are good at fireproofing, shock and sound absorption which help to reduce noise pollution, and improve working environment. The thickness of rock wool board : 40 to100 mm. The unit weight is 80 to 150kg / m?. Glass wool can be processe into different products. The thickness: 25 to 100mm. The unit weight is 30 to 80kg.
Glass cotton in the market is generally 16kg / m? to 64kg / m?. I have also heard about glass cotton with high unit weight, but the higher the unit weight is, the higher the production requirements are, and the boards are more fragile. Glass cotton are manufactured to meet the requirement of large-area pave, apart from the unique thermal insulation property, they are good at fireproofing, shock and sound absorption.
