Required materials:
1. Sample size 40 * 100 mm
2. Multifiber at 40 * 100 mm
3. ECE detergent (WOB) – 4g/L
4. Sodium Perborate (Na2BO3.H2O2.3H2O2-1g/L) - 1g/L
5. Distilled water
6. Normal cold water
7. Steel balls
Required instrument:
1. Rota Wash
2. Scissor
3. Stitch machine
Procedure :
1. Cut sample & multifibre at 100 * 400 mm and then stitch.
2. 50 ml ECE detergent (WOB) & 50 ml Sodium per borate is taken with the
sample.
For Marks & Spencer, the solution is taken by the following formula:
(Sample fabric + Multifibre weight) 50 ml
3. The sample is kept in 600C for 30 minutes in Rota Wash Machine
4. Rinse the sample twice with cold water.
5. Dry at 60°C by hanging or by Flat iron pressing but temperature should not
be more than 150°C.
Report:
Dry the specimen and the change of shade & degree of staining is measured by Grey
Scale & Staining Scale.
Witter : MD Mahfuzur Rahman, PTEC
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