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Nonwovens Liquid Loss Tester | ISO 9073-6 Nonwoven Fabric Absorption Testing Machine

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Whats/App: +86 156 1874 6768

Web: standard-groups.com

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

ParameterSpecification
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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