What is Modacrylic Fiber? Modacrylic or modified acrylic is defined as ‘fiber made of copolymer composed of 35% to 85% acrylonitrile and 15% to 65% other basic constituent’. Acc. to DIN 60.001 they are formally defined to consist of at least 50% and less than 85% by mass of polyacrylonitrile. The exact composition of individual […]
What is Elastane Fiber? Elastanes are elastomeric fibers, consisting of at least 85% polyurethane that are known by their trade names; usually Lycra in Europe and Spandex in the United States. They are segmented polyurethanes that are either melt or solvent extruded fibers after which they are either wet or chemical spun. The fibers are
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What is Rockwool Fiber? Rockwool, also known as stone wool or slag wool, is produced from molten basalt rock and chalk. Rockwool is an amorphous silicate manufactured from rock. It is a furnace product of molten stone, at a temperature of about 1600°C, through which is blown a stream of air or steam. More high-tech
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What is Polytetrafluoroethylene Fibers (PTFE)? Polytetrafluoroethylene (PTFE) is a high-performance synthetic fiber made from tetrafluoroethylene (TFE). It is widely known under the brand name Teflon, introduced by DuPont. Polytetrafluoroethylene (PTFE) was first synthesized in 1938 by the American chemist Roy Plunkett. In 1954, DuPont launched the first filament yarns and staple fibers made of PTFE.
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What are Aramid Fibers? Aramid fibers are a type of synthetic fiber known for their exceptional strength, durability, and heat resistance. Aramides belong to the polyamides, but are not melt spun but solution spun and have a completely different property profile than aliphatic polyamides such as PA 6.6 and PA 6. The word Aramid comes
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What is Lyocell Fiber? Lyocell fiber is a type of regenerated cellulose fiber made from wood pulp. It is the first in a new generation of cellulosic fibers made by a solvent spinning process. Lyocell’s softness, strength, and moisture management make it a popular choice in modern textile applications. Lyocell was developed as an environmentally
What is Kevlar Fiber? Kevlar® is the most important high-performance aramid fiber based on the poly (I, 4-phenylene terepthalamide). DuPont introduced (1965) the first such type of fiber under the trade name Kevlar. Kevlar has very high strength, high Young’s modulus, high tenacity, low creep and low elongation at break. It is prepared by the
What is Polypropylene Fiber? Polypropylene fiber is a synthetic fiber derived from the polymerization of propylene, a hydrocarbon monomer. The abbreviation for polypropylene is PP. Polypropylene fiber in many ways can be considered the ‘workhorse’ amongst synthetic fibres. Polypropylene is the third most important synthetic chemical fiber in terms of volume after polyester and polyamide,
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What are Spider Silk? Spider silk is a natural protein fiber and has better mechanical properties than silkworm silk. This is mainly due to the fact that the silkworm uses the silk for protection during metamorphosis, while spider silk uses their silk to catch the prey. Unlike caterpillars, spiders do not produce silk threads with
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Comber machines play a vital role in the textile spinning process, refining raw fibers to produce uniform, high-quality sliver for yarn production. Combing operation is carried out between carding and draw frame machine. It is primarily used in long-staple fiber processing (such as combed cotton yarn production) to remove short fibers, neps, and impurities, improving
