消防帶又名水龍帶,是一種能承受一定液體壓力的管狀帶織物。按所用原料,可分為棉、芒麻、亞麻、合纖襯膠等消防帶;按耐壓大小,可分為普通型和高壓型消防帶(工作壓力大于10kg/cm)。
分類
消防帶又名水龍帶,是一種能承受一定液體壓力的管狀帶織物。按所用原料,可分為棉、芒麻、亞麻、合纖襯膠等消防帶;按耐壓大小,可分為普通型和高壓型消防帶(工作壓力大于10kg/cm)。
特點
高壓消防帶常用高強低伸型滌綸長絲為原料,用雙梭圓織機織成管坯,內襯l~3mm厚的橡膠或將管坯內外涂一層較薄的高分子合成材料,使其具有能承受高壓且不滲漏、耐腐蝕、耐磨、輕便等特點。消防帶常用的公稱口徑有:φ65、φ80、φ90和φ100mm六種規格,每條定長為20m。口徑在100-150mm的用于低壓排水或供水。
原料
安全帶所用纖維,最多的是尼龍,其次是滌綸,常用機織法以2/2斜紋制得。近年來,為提高生產效率,針織機已被越來越多的使用,熱定型條件(張力、濕度、時間)對安全帶的力學性能有非常重要的影響,如低伸度的安全帶需在高張力下進行處理等。
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