Nonwovens Liquid Loss Tester | ISO 9073-6 Nonwoven Fabric Absorption Testing Machine
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Test Principle
A standard absorbent medium is placed beneath the nonwoven sample, positioned on a sloping pad. A specified amount of test liquid is applied to the sample. The liquid penetrates the nonwoven and is absorbed by the medium. By measuring the mass of the absorbent medium before and after testing, the liquid loss performance of the nonwoven sample is calculated.
Technical Parameters
| Parameter | Specification |
|---|---|
| Flow Control Range | 6.10–6.41 mL/s |
| Slope Angle | 25° |
| Slip and Loss Length | 250 ± 0.2 mm |
| Timing | 60 s, ±0.1 s accuracy |
| Slip and Loss Weight | 30 g ± 0.01 g |
| Liquid Volume | 25 mL/test |
| Measurement Method | Gravimetric via absorbent medium |
Accessories
Standard sample fixture
Built-in dosing system
Optional weighing system
Digital display and timing module
Test Procedures / Maintenance
(1) Place the standard absorbent medium under the nonwoven sample.
(2) Mount the sample on the slope pad and secure with the fixture.
(3) Fill the dosing device with test liquid (e.g., artificial urine).
(4) Start the test: liquid is dispensed manually or automatically over 4 ± 0.1 s.
(5) Measure the mass of the absorbent medium before and after the test to calculate liquid loss.
(6) Clean the dosing system and sample fixture after each test to prevent residue buildup.
(7) Perform regular calibration checks for dosing volume and timing accuracy.
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