Zone: Glass Fiber
GlassFiber.jpg Overview

The vast majority of all fibers used in the composites industry are glass. Glass fibers are the oldest and, by far, the most common reinforcement used in nonaerospace applications to replace heavier metal parts. Glass weighs more than carbon, but also is more impact-resistant. Depending upon the glass type, filament diameter, sizing chemistry and fiber form, a wide range of properties and performance levels can be achieved. Glass filaments are supplied in bundles called strands. A strand is a collection of continuous glass filaments. Roving generally refers to a bundle of untwisted strands, packaged like thread on a large spool. Single-end roving consists of strands containing continuous, multiple glass filaments that run the length of the strand. Multiple-end roving contains lengthy but not entirely continuous strands, which are added or dropped in a staggered arrangement during the spooling process. Yarns are collections of strands that are twisted together. Electrical or E-glass, so named because its chemical composition makes it an excellent electrical insulator, is particularly well suited to applications in which radio-signal transparency is desired, such as aircraft radomes, antennae and computer circuit boards. When greater strength is desired, high-strength glass, first developed for military applications in the 1960s, is an option. It is variously known as S-glass in the U.S., R-glass in Europe and T-glass in Japan.


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Most Recent Content: Glass Fiber
A hidden revolution: FRP rebar gains strength

Fiber-reinforced plastics replacing coated steel in more reinforced-concrete applications.
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CAMX 2014 preview: PPG Industries CompositesWorld

PPG Industries (Pittsburgh, Pa., USA) will showcase its portfolio of fiberglass products and technologies, as well as present two technical seminars at CAMX 2014.

Polystrand, PPG and SANLUIS Rassini collaborate on lightweighting technologies CompositesWorld

The three companies join forces to prepare a sports car to showcase continuous fiber thermoplastic composites technologies. The car will compete in SCCA's GTL class.

Owens Corning, AGY strike S-Glass relationship CompositesWorld

Owens Corning will license its S-Glass technology exclusively to AGY, which will assume commercial and operating responsibility for all of Owens Corning's S-Glass-related business.

Voith to introduce new composites for rail CompositesWorld

German innovator offers lightweight while the U.K. “is at materials crossroad” for High Speed Rail 2 set to start construction in 2017.

CAMX 2014 preview: The Composites Group CompositesWorld

The Composites Group (TCG, Highland Heights, Ohio, USA) and its three business units, Quantum Composites, Premix and Hadlock Plastics, will collectively feature five new thermoset compounding materials and two technical presentations at CAMX 2014.

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CAMX 2014 preview: PPG Industries PPG Industries Inc.
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