Fiberglass

Fiberglass or glass fiber is a type of fiber reinforced plastic where the reinforcement fiber is specifically glass fiber. The glass fiber may be randomly arranged, flattened into a sheet (called a chopped strand mat), or woven into a fabric. The plastic matrix may be a thermoset polymer matrix—most often based on thermosetting polymers such as epoxy, polyester resin, or vinyl ester—or a thermoplastic.

History

The development of fiberglass was a significant achievement in materials science. In 1932, Games Slayter, a researcher at Owens-Illinois, introduced the material to the world. Slayter had been working with glass fibers and was trying to find a way to make them stronger and more heat resistant. He discovered that by adding a plastic resin to the fibers, he could create a composite material that was both strong and lightweight.

Production

The manufacturing process for fiberglass is complex and involves several steps. First, the raw materials (silica sand, limestone, and soda ash) are melted together in a furnace. The molten glass is then extruded through tiny holes in a platinum plate to form thin strands of glass. These strands are cooled and collected on a drum, where they are bundled together to form a roving. The roving is then combined with a plastic resin to create the final product.

Uses

Fiberglass has a wide range of uses due to its strong and lightweight properties. It is commonly used in the construction industry for insulation and as a reinforcing agent for concrete. It is also used in the automotive industry for body parts and in the aerospace industry for aircraft structures. Other uses include boat hulls, swimming pools, and roofing.

Health effects

Exposure to fiberglass dust can cause various health problems. When inhaled, the small fibers can irritate the eyes, skin, and respiratory system. Long-term exposure can lead to more serious health problems such as lung disease and cancer. Therefore, it is important to use proper safety equipment when working with fiberglass.

See also

• Composite material
• Glass fiber
• Plastic
• Thermoset polymer
• Thermoplastic

Fiberglass Resources
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