Glass wool (originally also known as fiberglass) is an insulating material made of glass fibers that are arranged with an adhesive to form a wool-like texture. Glass wool and asbestos are made from mineral fibers and are therefore often referred to as "mineral wool". Mineral wool is a general term for fibrous materials formed by spinning or drawing molten minerals. Glass wool is a product of the furnace of molten glass at a temperature of about 1450°C.
The fibers are spun from the molten glass. This process is based on spinning the molten glass in a high-speed spinning head, somewhat like the process used to produce marshmallows. During the spinning of the glass fibers, a binder is injected. The glass wool is then formed into rolls or sheets with different thermal and mechanical properties. It can also be produced as a material that can be sprayed or applied to the surface to be insulated.
Applications for glass wool include structural insulation, pipe insulation, filtration, and sound insulation. Glass wool is a versatile material that can be used to insulate walls, roofs, and floors. It can be a loose-fill material, blown into the attic, or sprayed onto the underside of a structure with a reactive adhesive. Glass wool should always be kept dry during installation, as increased moisture content can lead to a significant increase in thermal conductivity.
The following are properties of glass wool material,
Glasswool is one of the best alternatives to the insulation provided to the house.
It is an excellent sound insulator material capable of absorbing incident sound hence used as an acoustic barrier to reduce sound transmission.
It can also be a good thermal insulator.
Glass Wool is an environmentally friendly material, as it is completely natural mineral wool, manufactured by the fusion of recycled glass and sand or cullet.
Being made from recycled material it is an inexpensive and cost-effective product.
It has good tensile strength, in the sense, that it will be a durable material.
The most astonishing characteristic of glass wool is that it can resist fire up to 300o C.
In the mechanics of materials, the strength of a material is its ability to withstand applied loads without failure or plastic deformation. The strength of material basically considers the relationship between the external load applied to the material and the deformation or change in the dimensions of the material. It is important to consider these factors when designing structures and machines so that the material chosen has sufficient strength to resist the applied load or force and maintain its original shape.
The strength of a material is its ability to withstand that applied load without failure or plastic deformation. For tensile stresses, the ability of a material or structure to withstand a load that tends to elongate is called the ultimate tensile strength (UTS). Yield strength or yield stress is the material property defined as the stress at which plastic deformation of material begins, while the yield point is the point at which nonlinear (elastic + plastic) deformation begins. In the case of a uniform rod with tensile stress (stress-strain curve), Hooke's law describes the behavior of the rod in the elastic region. Young's modulus of elasticity is the modulus of elasticity for uniaxial deformation in the linear elastic state for tensile and compressive stresses and is usually evaluated by tensile tests.
Huamei energy-saving technology group specializes in the production of rubber foam insulation materials, glass wool products, extrusion polystyrene insulation board (XPS), and other thermal insulation products. The rubber foam insulation materials’ product capacity is more than 1.7 million cubic meters, the annual production capacity of fiberglass wool products is more than 400,000 tons, and the annual production capacity of extruded polystyrene thermal insulation plate(XPS) is more than 500,000 cubic meters.
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