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thread made from glass. It is made by forcing molten glass through a kind of sieve, thereby spinning it into threads. Fiberglass is strong, durable, and impervious to many caustics and to extreme temperatures. For those qualities, fabrics woven from the glass threads are widely used for industrial purposes. Fiberglass fabrics can also be made to resemble silks and cotton and are used for curtains and drapery. A wide variety of materials are made by combining fiberglass with plastic. These materials, which are rust proof, are molded into the shape required or pressed into flat sheets. Boat hulls, automobile bodies, and roofing and ceiling compositions are some of the uses to which such material is put.


The generic term for a material consisting of extremely fine filaments of glass that are mixed with a resin to give the desired form in a mold. Layers of this combination are laid or sprayed into the mold. See also: Plastic



fiberglass, fibrous glass, glass fiber

Filaments of glass, formed by pulling or spinning molten glass into random lengths; either gathered in a wool-like mass or formed as continuous thread-like filaments having diameters in the range of 10 to 30 µ m. The wool-like material is processed into many forms of varying densities for use as thermal and acoustical insulation. The continuous-filament type is used for textiles, glass fabrics, and electrical insulation and as reinforcement for other materials.


(US), fiberglass
1. material consisting of matted fine glass fibres, used as insulation in buildings, in fireproof fabrics, etc.
2. a fabric woven from this material or a light strong material made by bonding fibreglass with a synthetic resin; used for car bodies, boat hulls, etc.
References in periodicals archive ?
All bearing housings are made of glassfibre reinforced polyamide.
If you come across stop-valves and gate valves along the run of the pipe, these can be wrapped in mineral wool or glassfibre pipe wrap.
The puppets are still the originals which Jan moulded out of glassfibre and Vlasta dressed in outfits she designed.
The signs are unique, claims NKI, due to the use of Glassfibre Reinforced Polyester (GRP) housing.
The Corporation became involved not only in local import substitute products, but acquired stakes in export-oriented companies like Bolux, Lazar Kaplan and Owens-Corning, the world's leading supplier of glassfibre.
Cyclics has alliances with Ahlstrom Glassfibre Oy, Alcan Composites, BASF, Davy Process Technology, The P Group, and PolymersNet Co.
Hopes were pinned on a Hillman Imp-powered glassfibre monococque roadster but the firm was wound up in 1966.
According to Architect Riccardo Roselli "The concept of the hotel is based on a large folded casing wrapped around modules containing the rooms and achieved by applying an outer skin made from a glassfibre reinforced composite material.
There's enough power to go really fast, but a bonus is you can feel what the car is doing, and if you do get a bit too Jenson it will give you a gentle warning so you can slow a bit before you end up sitting in a load of broken glassfibre.
Mr Wilkinson left the company in April 1962 and went on to set up his own engineering business, with Mr Pickard, specialising in glassfibre.
The result of the studies of heat insulating characteristics of the stamples of polyethylene terephthalate staple fibre shows that their heat-conductivity coefficient is practically identical to heat-conductivity coefficient of superfine basalt fibre and staple glassfibre URSA and heat-conductivity coefficient is 0.
Minaad, four times a winner on the Flat in Germany, made it two out of two over hurdles when justifying 8-11 favouritism under Josh Byrne in the AJ Glassfibre Novices' Hurdle.