2024-10-31
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The flame retardant performance of sunshade fabrics is a critical indicator of their safety. Such fabrics typically achieve fire resistance through two methods: adding flame retardants or using inherently flame-retardant fibers (such as modified polyester and aramid). Flame retardants form a carbonized layer at high temperatures to isolate oxygen and delay fire spread, while inherently flame-retardant fibers rely on their chemical structure to resist combustion or only slowly carbonize when exposed to fire.
International flame retardant standards (such as GB 8624 and EN 13501) strictly regulate parameters like combustion rate and smoke toxicity for sunshade fabrics. High-quality flame-retardant fabrics must pass vertical combustion tests, ensuring rapid self-extinguishing after leaving the heat source and no molten drips to avoid secondary ignition.
These fabrics are widely used in sunshade systems for public places such as shopping malls, stadiums, and transportation hubs, meeting both shading and heat insulation needs while significantly enhancing escape safety in fires. Additionally, some products incorporate nanocoating technology to achieve dual functions of flame retardancy, UV resistance, and anti-fouling, further expanding application scenarios. In the future, with stricter environmental regulations, low-smoke, non-toxic, and recyclable flame-retardant sunshade fabrics will become a key research and development focus.
