Ultra high molecular weight polyethylene flat filament

The utility model belongs to the technical field of the material shaping, a ultra high molecular weight polyethylene flat filament is disclosed. Ultra high molecular weight polyethylene flat filament's cross -section is rectangle or nearly rectangle, and the width is 20~2000um, and thickness is 1um~1000um, fibre flat filament surface has pit structures, and shape or two -sided tax shape are composed to the pit structures single face, and two sides pit structures corresponds the samely or different respectively during two -sided tax shape, pit structures is circular or non -circular, and pit structures is range of neat whole row or relative random arrangement. The utility model discloses a set up pit structures on the ultra high molecular weight polyethylene flat filament surface, improved the bond property on ultra high molecular weight polyethylene surface, can compound with other materials better. 本实用新型属于材料成型技术领域，公开了种超高分子量聚乙烯纤维扁丝。所述超高分子量聚乙烯纤维扁丝的截面为矩形或近矩形，宽度为20～2000um，厚度为1um～1000um；纤维扁丝表面带有凹坑结构，凹坑结构单面赋形或双面赋形