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.


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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CSP teams with Qingdao Victall Railway to form joint venture CompositesWorld

The 50-50 JV means that Continental Structural Plastics will manufacture composite components for rail, automotive, heavy truck and other markets in China, at a facility in Tangshan.

SAERTEX USA acquires Fiber Glass Industries equipment CompositesWorld

SAERTEX USA has acquired Fiber Glass Industries' knitting equipment and nonwoven production capacity and will use it to focus on marine and industrial applications.

U.S. Navy orders demo of Co-cure resin advanced combatant craft CompositesWorld

Willard Marine will build the demo through an SBIR awarded to Structural Composites, Inc.

Jushi considering U.S. for glass fiber manufacturing expansion CompositesWorld

Chinese glass fiber manufacturer Jushi Group Co. Ltd. held its 20th annual International Conference on Fiberglass in Tongxiang on Oct. 7 and 8 and says it is close to a decision on construction of a manufacturing plant in the U.S.

Automotive composites: A bit of deja vu? CompositesWorld

CT columnist Dale Brosius, a consultant and the president of Dayton, Ohio-based Quickstep Composites, recalls predictions made back in the 1980s about autocomposites — predictions that are yet to be fulfilled.

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