1. Test purpose:
Test the waterproof and oil-proof effect of high-concentration LZ-762.
2. Test instruments, drugs, and materials:
1. Test equipment: small rolling mill, small shaping machine
2. Test drug: high concentration LZ-762 ()
3. Test materials: pure cotton cloth, pure polyester cloth
3. Test standards:
According to the “AATCC22-2005 Spray Method for Testing Water Repellency of Textiles”, the waterproof performance of the fabric is tested by measuring the permeability of the fabric against spray water.
4. Test process:
1. Test formula:
|
Fabric |
Polyester |
Cotton |
||
|
Concentration (g/L) |
10 |
20 |
20 |
30 |
2. Testing process:
(1) Pure polyester: one dip and one rolling (rolling residue rate 78.48%) → drying (130℃X60s) → baking (170℃X50s)
(2) Pure cotton cloth: one dip and one rolling (remainder rate 68.72%) → drying (130℃X120s) → baking (170℃X50s)
3. Test results:
|
Fabric |
Polyester |
Cotton |
|||
|
Concentration (g/L) |
10 |
20 |
20 |
30 |
|
|
HL-0 |
W |
90 |
100 |
90 |
90+ |
|
O |
0 |
1 |
2 |
4 |
|
|
HL-5 |
W |
80+ |
100 |
90- |
90 |
|
O |
0 |
0 |
1 |
3 |
|
5. Conclusion:
1. The waterproof and oil-proof effect of high-concentration LZ-762 when used on polyester and cotton at specified concentrations can be seen from the above test data.
2. There are errors in the test data and are for reference only.
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