HIGH-TECH FIBERS
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BASALT FIBER
Basalt fiber is made from a single material, crushed basalt, from a carefully chosen quarry source and unlike other materials such as glass fiber, essentially no materials are added. The basalt is simply washed and then sent to be melted down.
The manufacture of basalt fiber requires the melting of the quarried basalt rock at about 1,400°C (2,550°F). The molten rock is then extruded through small nozzles to produce continuous filaments of basalt fiber. There are three main manufacturing techniques, which are centrifugal-blowing, centrifugal-multiroll and die-blowing.
The fibers typically have a filament diameter of between 9 and 13 µm which is far enough above the respiratory limit of 5 µm to make basalt fiber a suitable replacement for asbestos. They also have a high elastic modulus, resulting in excellent specific tenacity—three times that of steel.
PARA-ARAMID FIBER
Aramid fibers are a class of heat-resistant and strong synthetic fibers.
They are used in aerospace and military applications, for ballistic rated body armor fabric and ballistic composites, in bicycle tires, and as an asbestos substitute.
The name is a portmanteau of "aromatic polyamide". They are fibers in which the chain molecules are highly oriented along the fiber axis, so the strength of the chemical bond can be exploited.
After production of the polymer, the aramid fiber is produced by spinning the solved polymer to a solid fiber from a liquid chemical blend.
Aramids due to their high degree of fiber orientation, have dominating properties, such as good resistance to abrasion
good resistance to organic solvents, nonconductivity, no melting point, low flammability, good fabric integrity at elevated temperatures. As it is also sensitive to acids and salts and suffers from ultraviolet radiation exposure.
Para-aramid fibers provide outstanding strength-to-weight properties, having high Young's modulus, high tenacity, low creep, low elongation at break (~3.5%) and are difficult to dye – usually therefore solution dyed.
HYBRID 70/30 Preox-PAN/Para-Aramid
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PREOX P.A.N. FIBER
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