Impurity content and defect rate of raw cotton (1) Impurity content of raw cotton: The standard impurity content of cotton, top roller cotton is 3.0%. Sawtooth cotton is 2.5%. The …

Conversion relationship between moisture regain and moisture content Moisture content: The weight of water in fabric materials as a percentage of the wet weight of the material is …

Moisture regain The weight of moisture in a fabric material as a percentage of the dry weight of the material is called moisture regain. Moisture regain is widely used in the fabri…

Mechanical concepts and indicators of friction and cohesion 1. Friction refers to the tangential resistance of two objects in contact with each other when they move against each ot…

The relationship between fiber friction cohesion properties and spinning technology During the use and finishing of fabric materials, friction and cohesion have a great impact. Due…

Initial mold shed fiber flexibility coefficient (1) Initial modulus The initial modulus refers to the stress-strain ratio on the straightening extension line of the relatively stra…

Commonly used indicators of fiber strength 1. The new cracking strength is the force required when a fiber material is directly stretched by the outside world until it breaks. It i…

Determination method of cotton fiber maturity There are many methods for measuring the maturity of cotton fiber. Commonly used ones include the cavity cell wall contrast method, pa…

Cotton fiber is an indicator of heat Indicators indicating the maturity of cotton fiber include maturity coefficient, mature fiber percentage and maturity ratio. 1. The finished pr…