耐温450度伸缩风管材质：高质量玻璃纤维布+灰色高温涂层规格尺寸：1、Ф51mm-- Ф1500mm 2、管厚：0.50mm 3、温度：-70℃--+450℃特性：1、以进口高质量玻璃纤维涂层布(一层)及高强力纤维线,用金属夹夹住材料上下端。 2、最大耐压10KG。 3、质量超轻,非常强韧,弯曲半径约等于外径；压缩比为1:10用途：各种机械.飞机.汽车尾气，烟雾.尘埃.高温锅炉炽热气体,工厂焊锡烟,鼓风暖炉排放.450 degrees of heat-resistant telescopic ductMaterial quality: high quality glass fiber cloth + grey high temperature coatingSize: 1, 51 mm - 1500 mm Ф Ф 2, tube thickness: 0.50 mm 3, temperature: 70 ℃, + 450 ℃Features: 1, with imported high quality glass fiber coating cloth (a layer) and high tenacity fiber line, with a metal clipLive material end up and down.2, maximum stress 10 kg.3, quality super light, very strong, bending radius approximately equal to the outer diameter; Compression ratio of 1:10Use: all kinds of machinery. Plane. Automobile exhaust, smoke. Dust. High temperature hot gas, boiler factory soldering smoke, blast heater emissions.