AATCC 135 fabric shrinkage test process and rating reference1

Scope of application: This test method is used for dimensional changes in woven and knitted fabrics after multiple home launderings. 

Test principle: The dimensional change of the cloth box is calculated by the difference between the standard length delineated on the cloth box before washing in a representative household washing and drying process. 

Test equipment: Wascator Automatic Shrinkage Tester For Fabric GT-D34 , Medicines: WOB washing powder 92g, total laundry weight: 1.8kg, weighted cloth: 92X2300px, white bleached cotton cloth, overlock. Sampling: Use the AATCC sampling ruler to cut the sample 50 X1250px, take 35 X875px (35 is the smallest, or it can be larger) on each side to mark three pairs, at least 3 samples. AATCC Shrinkage Washing Machine Technical Parameters: Standard: AATCC 88B, AATCC 88C, AATCC 124, AATCC 130, AATCC 135, AATCC 142, AATCC 143, AATCC 150, AATCC 159, AATCC 172, AATCC 179, AATCC 188 

Test steps: 

1) Sampling , Weighing, if it is less than 1.8kg, use a weighted cloth to make up. 

2) Set the water level. Medium is generally used, and if the customer has special requirements, it will be based on the customer's requirements. 

3) Set the water temperature. Generally washed with warm water and rinsed in cold water, or according to customer requirements. The water heater can adjust the water temperature. 

4) Set the laundry program. Generally use Regular or according to customer requirements. 

5) Take 92g of WOB washing powder, dissolve it in an appropriate amount of warm water and pour it into the washing machine. 

6) Put the test sample and weighted cloth into the washing machine. 

7) Start up and run, and take it out after the end. 

8) Take out the test sample and weighting cloth and put it in the dryer. 

9) Set the appropriate drying program and temperature, and start running. 

10) After the operation, take out the test sample and weighted cloth, put it back into the washing machine, and carry out the experiment according to steps 2) to 9). 

11) As mentioned above, carry out at least three cycles of washing and drying. 

12) The dried samples are placed in the conditioning chamber for at least 4 hours, then the dimensional changes are measured and recorded. Test report: 1) Percentage of dimensional change in the length direction, take the average value of each measurement. 2) The percentage of dimensional change in the width direction, take the average value of each measurement. 3) Describe the laundry conditions used, including water level, water temperature, and washing program. 4) State the drying conditions used, including drying program and temperature. 5) Describe the change in appearance of the test sample after washing.

Wascator Automatic Shrinkage Tester For Fabric GT-D34

Automatic Wascator Shrinkage Tester Application

Wascator Automatic Shrinkage Tester accelerated washing apparatus for knitted and woven fabrics to assess shrinkage in accordance with international test methods. Also used for assessing fabric stability, color fastness, finish durability, spirality and pilling to washing.

Feature

1. Automatic Wascator Shrinkage Tester MCU program controller, build-in ten sets of washing program that ISO required, and operator program capability.

2. No need to fix to ground with foot screw, operating stably;

Soft link between rotating cage and rack, low vibration and noise;

Variable frequency motor, switch smoothly between high speed and low speed, low temperature increment of motor.

3. Blue fluorescence LCD display, test state dynamic icon shows, easier to catch the eye and operation convenience.

4. Non-touch capacitance water level meter to measure water level accuracy and reliable

Shrinkage Tester For Fabric Standards

GB/T8629, GB/T8630, ISO6330/5077, FZ/T70009, BS4923, EN25077/26330, JIS L1909, IWSTM31,ISO19954,

SATRA TM158

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