{"id":6222,"date":"2025-01-25T10:49:12","date_gmt":"2025-01-25T07:19:12","guid":{"rendered":"https:\/\/www.lunafam.com\/continuous-filament\/"},"modified":"2025-02-15T12:00:19","modified_gmt":"2025-02-15T08:30:19","slug":"continuous-filaments","status":"publish","type":"page","link":"https:\/\/www.lunafam.com\/en\/continuous-filaments\/","title":{"rendered":"Continuous Filament"},"content":{"rendered":"<section class=\"l-section wpb_row height_medium\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_2 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default reversed stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_text_column us_custom_12c604e9\"><div class=\"wpb_wrapper\"><h4><b>Melt Spinning<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">The melt spinning process melts polymer with heat until it reaches the correct viscosity for spinneret extrusion. As the name indicates, the chips of fibers are melted and extruded through the spinneret to obtain the fibers. It is used for the polymers not decomposed or degraded by temperatures necessary for extrusion to be melted and pumped through a spinneret in an air chamber. The extruded stream cools and solidifies into continuous filaments and is then drawn out of the chamber, twisted and\/or processed further, and subsequently wound onto spools. This spinning process works for making polyamide, polyethylene terephthalate, and polypropylene fibers\u2014common materials in many textiles.<\/span><\/p>\n<h6><em><strong><b>Continuous Filaments <\/b><\/strong><\/em><\/h6>\n<p><span style=\"font-weight: 400;\">In polymers, a <\/span>continuous filament<span style=\"font-weight: 400;\"> refers to a long, unbroken strand of fiber that is extruded from a polymer material. These filaments are typically produced through processes like melt spinning, where the polymer is melted and then forced through a spinneret to form continuous fibers.<\/span><\/p>\n<h6><b>Key Characteristics:<\/b><\/h6>\n<p><span style=\"font-weight: 400;\">\u00a0&#8211; <b>Length<\/b>: Continuous filaments are essentially infinite in length compared to staple fibers, which are short and discrete.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0&#8211; <b>Strength<\/b>: They generally have higher tensile strength and durability due to their uninterrupted structure.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0&#8211; <b>Smoothness<\/b>: The surface of continuous filaments is usually smooth, making them ideal for applications requiring fine textures.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0&#8211; <b>Uniformity<\/b>: They offer consistent diameter and properties along their length.<\/span><\/p>\n<\/div><\/div><div class=\"w-separator 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