超长纤维 meaning in English

overcut fibre
overlength fibre

Standard test method for overlength fiber content of man - made staple fiber
人造短纤维中超长纤维含量的标准测试方法
In spinning process , what should be done is to improve the coherence force of the fibers due to the linen fiber being thick , stiff , smooth , super long and containing more short fibers , causing difficulty to spinning ; in weaving it should focus on the settlement of unclear shedding and more ends breaking caused by fuzzy & poor elasticity of the warp yarn ; finishing plays an key role in improving fabric appearance to solve fold mark & frost mark and enhance style of peach skin and linen knot effects
纺部工序主要克服天丝与亚麻纤维抱合力低，特别是亚麻纤维粗、硬、滑、超长纤维和短纤维率高给纺纱工艺带来的困难；织造工序重点解决成纱毛羽对开口清晰和经纱弹性差对断头的影响；后整理涉及影响外观质量的折痕与霜印问题，并要突出桃皮绒和独特的亚麻麻节外观效应。