Washing fastness refers to the fastness of a particular dye or print during washing. Textile washing fastness testing is an important part of textile quality testing. The following are the steps and precautions for textile washing fastness testing:
The textile washing fastness test is an important part of textile quality testing. The following are the steps and precautions for the test:
Sample preparation: Cut the sample according to the standard requirements, the size is generally 10cm x 10cm, then soak it in water for 10 minutes, leave it for 20 minutes and squeeze out the water after the sample is completely wet.
Detergent preparation: The washing solution is prepared according to the standard requirements, including parameters such as detergent type, concentration, dosage and temperature.
Washing: The sample is placed in the washing machine, the washing solution is added and the sample is washed in accordance with the standard requirements, generally requiring a washing time of 30 minutes or more.
Drying: The washed sample is removed, squeezed dry and then dried or dried in a dryer until completely dry.
Observation: Observe the sample to see if the shade and colour is coming off and if there are any noticeable changes.
Testing: Place the sample into the testing equipment and carry out a wash fastness test and record the results.
Samples should be prepared and handled consistently to minimise the influence of human factors.
Parameters such as type, concentration, dosage and temperature of detergent must be prepared and operated in accordance with the standard requirements.
Washing machines should be used in accordance with the standard requirements to ensure washing effectiveness and stability.
The drying process must maintain the integrity and dryness of the sample to avoid uneven baking and deformation.
Equipment calibration and inspection should be carried out prior to testing to ensure the accuracy of the test results.
During the test, the sample should be observed and the results recorded in a timely manner.
At the end of the test, clean and maintain the test equipment to ensure its service life and stability.