1. Test purpose:
Comparatively test the waterproofing effect of the non-fluorine provided by the customer and the non-fluorine LZ-XR88 produced by our company.
2. Test instruments, drugs, and materials:
1. Test equipment: small rolling mill, small shaping machine
2. Test material: pure polyester cloth
3. Test standards:
Wash water according to AATCC135 standard, and conduct water repellency test according to AATCC22-2005 spray method.
4. Test process:
1dippingand1nipping
|
|
Sample |
Sample |
LZ-XR88 |
LZ-XR88 |
|
Number |
1 |
2 |
3 |
4 |
|
Concentration (g/L) |
20 |
40 |
20 |
40 |
|
Wetpickup |
90.9% |
87.8% |
89.6% |
89.2% |
|
Drying |
95℃X1min |
|||
|
Curing |
165℃X1min |
|||
5. Test results:
|
|
1 |
2 |
3 |
4 |
|
HL-0 |
90- |
100 |
100 |
100 |
|
HL-5 |
70- |
90 |
||
6. Suggestions
After the cloth sample with treatment results 1-3 was washed five times, the water repellency test showed that the cloth layer was almost soaked, and was given a rating of 0 at that time. After several repeated water repellency tests, the final rating was below 70. This situation occurs mainly due to insufficient penetration and low washing resistance. Penetrant should be appropriately supplemented during waterproofing treatment.
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