1. Standards: China's main sweater product standards include FZ/T73009-2021 "Cashmere Knitted Fabrics", FZ/T73005-2021 "Low Wool Blend and Imitation Wool Knitted Fabrics", and FZ/T73018-2021 "Wool Knitted Fabrics", etc. These standards specify different aspects of the quality and performance requirements of sweater products, such as fiber content, color fastness, dimensional change rate, warmth retention, pilling resistance, and down-proof properties.
2. Grades: Class A applies to general-purpose sweaters; Class B applies to sweaters with high visibility requirements; Class C applies to sweaters with fire-retardant properties; and Class D applies to sweaters with antistatic properties.
