Textile Testing in Quality Assurance Department

There are two types of tests are done in Quality Assurance Department. They are –
1. Physical Tests
2. Chemical Tests

Physical Tests:

1. Yarn Grade 

2 .GSM test 

3. Shrinkage test 

4. Spirality test 

5. Tensile strength 

6. Abrasion resistance 

7. Pilling resistance

8. Button Strength Testing

9.  Lycra% determination

10. Crease resistance 

Chemical Tests:

1.  Fastness to washing.
2.  Fastness to light
3.  Fastness to actual laundering
4.  Fastness to sea water
5.  Fastness to water
6.  Fastness to perspiration

Writer :  MD. Mahfuzur Rahman, PTEC
          
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Color Fastness to Water Test

Test specimen:

1.  Sample fabric – 50 mm * 50 mm
2.  Multifibre fabric – 50 mm * 100 mm
3.  Cut the multifibre into two piece
4.  Sandwich the test specimen between two piece of multifibre

Testing Solution:
 Water is taken as required
Method:
- The composite specimen is put in a peri dish (2 specimen of a sample).
- Water is taken in the peri dish as required.
- Bubble is made out from the specimen by tapping.
- The specimen is put for 30 minutes.
- A glass plate is placed on the composite specimen for 15 minutes at room
temperature



Excess solution is poured off.
- Peri dish with composite specimen & glass plate is placed into the incubator at
(37+-2) 0C for 4 hours.
- The specimen is dried (Temp 600C)



Report:
- Change of shade & degree of staining is measured by the Grey Scale & Staining
Scale.

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