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CN1. Raw material selection and pretreatment
1. Raw material screening
Natural fibers: Natural fibers such as pure cotton and wool are preferred. These fibers have good air permeability and moisture absorption, are friendly to children's skin, and are not prone to allergic reactions.
Chemical fibers: When using chemical fibers, it is necessary to ensure that they do not contain harmful substances such as formaldehyde, heavy metals, harmful dyes, etc. Choose certified hypoallergenic and non-toxic chemical fibers.
2. Raw material pretreatment
Raw materials are strictly cleaned and disinfected to remove surface dirt and microorganisms.
Chemical fibers are subjected to high-temperature shaping to stabilize their structure and reduce the possibility of harmful substances being released.
2. Weaving and shaping process control
1. Weaving process
Advanced weaving equipment and technology are used to ensure the uniform distribution of fibers and the structural stability of socks during weaving.
Regularly check the operating status of the weaving equipment to prevent problems such as fiber breakage or entanglement caused by equipment failure.
2. Setting process
During the setting process, strictly control the temperature and time parameters to prevent the fiber from deforming or producing harmful substances due to high temperature.
Use environmentally friendly setting agents and auxiliaries to ensure that the socks after setting are non-toxic, harmless and odorless.
III. Dyeing and printing process control
1. Dye selection
Select environmentally friendly dyes that meet international safety standards, such as reactive dyes, disperse dyes, etc. These dyes are harmless to the human body and easy to wash off floating colors.
Avoid using dyes containing harmful substances such as heavy metals and azo dyes.
2. Dyeing process
Strictly control parameters such as temperature, pH value and dye concentration during the dyeing process to ensure uniformity and stability of dyeing.
Adopt advanced dyeing technology and equipment to reduce the consumption of dyes and water and reduce environmental pollution.
3. Printing process (if applicable)
Select environmentally friendly printing inks and auxiliaries to ensure that the socks after printing are non-toxic and harmless.
Strictly control the temperature and pressure parameters during the printing process to prevent the ink from penetrating into the fiber or causing fiber damage.
4. Post-processing and finished product inspection
1. Post-processing process
Wash and rinse the dyed or printed socks thoroughly to remove harmful substances such as residual dyes, auxiliaries and setting agents.
Soften the socks to improve their wearing comfort and skin-friendliness.
2. Finished product inspection
Strict appearance inspection and quality inspection of finished children's jacquard socks, including testing of indicators such as dimensional stability, color fastness, and tensile strength.
Regularly test the finished products for harmful substances such as formaldehyde, heavy metals, and harmful dyes to ensure that the products meet the safety standards and regulatory requirements of relevant countries or regions.
5. Quality control system and continuous improvement
1. Establishment of quality management system
Establish a sound quality management system, clarify the quality standards and processes of each link, and ensure that every link from raw material procurement to finished product delivery meets quality requirements.
Regularly review and update the quality management system to adapt to market changes and changes in regulatory requirements.
2. Employee training and awareness improvement
Regularly train employees on production safety and quality control to improve their safety awareness and quality awareness.
Encourage employees to actively participate in quality improvement activities and jointly improve product safety and quality.
3. Continuous improvement and feedback mechanism
Establish a continuous improvement and feedback mechanism to collect customer feedback and market information, and promptly discover and solve potential quality problems.
Conduct in-depth analysis and rectification of quality problems that occur during the production process to prevent similar problems from happening again.
