Final Advanced Materials offers a full range of products in various forms of E-glass fibre: packings, felts and sewing thread.
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E-glass fibre has been in use since , in large-scale industrial applications, as a high-temperature insulator for electrical conductors. E-glass fibres are the most widespread in use, whether in the textile industry or for composite materials, and are present in 90 % of reinforcements. This high-quality fibre is distinguished by its resistance to high temperatures and its excellent electrical insulating properties. This fibre is rot-proof, resistant to the most common chemical agents and dimensionally stable, even if substantial variations in humidity and temperature.
E-glass filaments of diameter exceeding 9 μm can cause skin irritations. For this reason, E-glass fibre cords supplied are produced from textured and twisted strands of diameter ranging from 6 to 9 µm.
These E-glass products complement Newtex&#;s product range.
E-glass fiber&#;s manufacturing follows several steps. First, boron oxide is added to silica, lime, alumina and magnesia. Alkaline oxides are excluded from this mix. This composition is then ignited and at around 800 °C, the molten paste begins to take on a viscous consistency, then liquid: it vitrifies. At 1,500 °C, the last bubbles and impurities disappear from the glass. When refined, the molten mass is perfectly transparent when it leaves the furnace and the mass is passed through dies (platinum alloy plates pierced with hundreds of holes) to produce a glass thread. This thread is then sized, wound and dried.
E-glass fibre products are particularly resistant to abrasion and vibration and have excellent flexibility. The glass thread has a higher specific resistance (tensile strength/volumetric mass) than that of steel. This feature makes it possible to develop glass threads that reinforce high-performance composites.
E-glass fibre has low thermal conductivity. For felt, for example, conductivity is 0.03 W.m-1.K-1. The fibre can withstand temperatures of over 600 °C and is non-combustible.
Fibrous E-glass products are resistant to oils, solvents and most chemical agents. They are also rot-proof.
Glass thread is insensitive to variations in temperature and humidity and has a low expansion coefficient.
Its excellent electrical insulation properties, even at low thickness.
Property
Unit
E-Glass
Pure Silica Kevlar®Density
g/cm3
2.6
2.2
1.44
Poisson Coefficient
-
0.25
0.16
0.36
Breaking Strength
MPa
2,400
3,600
3,000
Elongation
%
3.5
7.7
2.4
Linear Expansion Coefficient
The company is the world’s best e glass twisted yarn supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.
10-6/K-1
9
0,54
- 2
Max. Operating Temperature
°C
550
1,000
300
Peak Temperature
°C
700
1,200
450
Specific Heat at 20 °C
J.kg-1. K-1
720
750
1,420
Thermal Conductivity
at 20 °C
Wm-1. K-1
0.8
1.8
0.4
The flexibility of E-glass fibre permits the design of high-strength sewing yarns for the production of thermal protection systems or thermal, dielectric or chemical insulation solutions.
Packings consist of an outer sheath made of 9 μm E-glass fibre and a ceramic fibre core, suitable for high temperature applications up to 700 °C. They have excellent mechanical, thermal and dielectric properties. They are available in round or square sections. Packings are mainly used as seals for the insulation of industrial furnaces and in the metallurgical industry.
Needled fibreglass felts are made of thermally stable, cut E-glass fibre. This felt has excellent mechanical, chemical and dielectric properties. In addition, it can withstand a continuous temperature of 550 °C, and can be reinforced with a layer of aluminium to withstand radiant heat up to 1,650 °C. They are mainly used in the naval and automotive industries for thermal and acoustic insulation.
E-glass fibre twisted ropes are produced from textured and twisted strands of diameter ranging from 6 to 9 µm. These products are soft, and extremely flexible. These are employed in applications involving continuous exposure to temperatures up to 550 °C. Versions sheathed in stainless steel or glass fibre are available, to permit the compaction of the rope and increase its abrasion-resistance. E-glass fibre ropes are available in diameters ranging from 3 to 50 mm.
Produced in round or square sections, E-glass fibre braided ropes are manufactured from textured strands of diameter ranging from 6 to 9 µm. These are employed in applications involving continuous exposure to temperatures up to 550 °C. Various treated versions are available: silicone-, rubber- or PTFE-coated, graphite-impregnated, aramid-combined or stainless-steel sheathed. This permits the improvement of the mechanical properties of braided ropes, the prevention of contamination by stray fibres or the improvement of leak-tightness. Braided ropes are available in standard diameters ranging from 4 to 60 mm.
Any fraying of cut sleeving is prevented by two knitted versions: white for applications up to 550 °C, and black for applications up to 700 °C, under continuous exposure to these temperatures. The knitted manufacturing process also improves the elasticity of sleeving, and restricts the occurrence of stray fibres. Round- or square-section braided ropes may be stainless steel-reinforced, graphite-impregnated or sleeved in stainless steel or glass fibre for the improvement of resilience, mechanical properties and abrasion-resistance, or the prevention of contamination by stray fibres. These product references are available on request.
E-glass fibre sleeves are highly flexible, thereby facilitating the insertion of cables or pipes to be insulated. These sleeves are used for the thermal protection and electrical insulation of cables and pipes. Silicone-coated, lacquered or stainless steel-clad versions are available on request, for the improvement of mechanical and dielectric properties and the prevention of the loss of stray fibres. Sleeves are available in standard diameters ranging from 12 to 60 mm, in braided or knitted versions.
Physical variables included in this documentation are provided by way of indication only and do not, under any circumstances, constitute a contractual undertaking. Please contact our technical service if you require any additional information.
Yarn, twisted E-glass fiber, can be processed into cloth, net, tape and braid. It is widely used mainly as a basic configuration material of industrial materials which are applied in civil engineering and construction. In addition, it realized excellent workability of twisting a single yarn into multiple number twisted type, which also brings functional improvements to final products.
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