Fiberglass consists of extremely fine glass fibers and is one of the most ubiquitous insulation materials, also covering enameled wire for low voltage transformers. It's commonly used in many different forms of insulation: blanket (batts and rolls), loose-fill, and is also available as rigid boards and duct insulation.

Fiberglass comes in various forms to suite various applications, the major ones being:
Fiberglass Tape: Fiberglass tapes are made up of glass fiber yarns and are known for their thermal insulation properties. This form of fiberglass finds wide applications in wrapping vessels, hot pipelines, and the likes.
Fiberglass Cloth: Fiberglass cloth is smooth and is available in various variants like glass fiber yarns and glass filament yarns. It is widely used as heat shields, in fire curtains and others.
Fiberglass Rope: Ropes are braided from glass fiber yarns and are used for packing purposes.

Properties of fiberglass
Mechanical strength: Fiberglass has a specific resistance greater than steel. So, it is used to make high-performance
Electrical characteristics: Fiberglass is a good electrical insulator even at low thickness.
Incombustibility: Since fiberglass is a mineral material, it is naturally incombustible. It does not propagate or support a flame. It does not emit smoke or toxic products when exposed to heat.
Dimensional stability: Fiberglass is not sensitive to variations in temperature and hygrometry. It has a low coefficient of linear expansion.
Compatibility with organic matrices: Fiberglass can have varying sizes and has the ability to combine with many synthetic resins and certain mineral matrices like cement.
Non-rotting: Fiberglass does not rot and remains unaffected by the action of rodents and insects.
Thermal conductivity: Fiberglass has low thermal conductivity making it highly useful in the building industry.
Dielectric permeability: This property of fiberglass makes it suitable for electromagnetic windows.

Power generation: Many areas of the power generation industry like tank farms, scrubbers, and others use fiberglass. The reason for this is the non-conductive property of fiberglass.

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