GB/T 7690.4-2013
ActiveReinforcements - Test method for yarns - Part 4: Determination of stiffness
增强材料 纱线试验方法 第4部分：硬挺度的测定
Application Summary AI generated
This standard specifies a test method for determining the stiffness of yarns used as reinforcements in composite materials. It is applied in the textile and composites industries to evaluate the bending resistance of glass, carbon, or aramid yarns, ensuring consistent processing behavior during weaving or preforming. The method is critical for quality control in manufacturing sectors producing reinforced plastics or technical textiles.
Related Standards
GB/T 4202-2001
Designation for glass fibres
GB/T 20102-2006
Test method for determining tensile breaking strength of glass fiber reinforcing mesh, after exposure to a sodium hydroxide sulution
GB/T 20310-2006
Textile glass-Rovings-Manufacture of test specimens and determination of tensile strength of impregnated rovings
GB/T 20309-2006
Textile glass - Mats and fabrics - Determination of contact mouldability
GB/T 17470-2007
Glass fiber mats - chopped strand and continuous filament mats
GB/T 4202-2007
Designation for glass fibres
GB/T 21825-2008
Glass fibre geogrid
GB/T 18371-2008
Glass filament yarn
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.