本规范涵盖一种纱线形式的有机纤维。该产品应形成多条细丝，将其聚集在一起，形成近似平行的排列。有机380旦（420德特）纱线，具有390 ksi（2689 MPa）或22.0 g/d的最小拉伸强度和17.5 Msi（121 GPa）或850 g/d的最小拉伸模量，用于要求高拉伸强度和高拉伸弹性模量的通用复合材料。

This specification covers one type of organic fiber in the form of yarn. The product shall be formed as a multiplicity of filaments drawn together and gathered into an approximately parallel arrangement.Organic 380 denier (420 d tex) yarn with 390 ksi (2689 MPa) or 22.0 g/d minimum tensile strength and 17.5 Msi (121 GPa) or 850 g/d minimum tensile modulus for use in general purpose composites requiring high tensile strength and high modulus of elasticity in tension.