LSW/S Liquid Strike Through Time & Wetback Tester
The LSW/S Liquid Strike Through Time & Wetback Tester automatically measures liquid-strike-through time and the rewet properties of nonwoven and coverstock materials. It conforms to EDANA/INDA standards WSP 70.3, equivalent to ERT 150.5 (02) and ISO 9073-8.
Both liquid strike-through and coverstock wetback tests can be performed on a single instrument. The automatic timing device and automatic SBW placement eliminate human interference from the measurement, ensuring consistent and reproducible results.
The instrument uses a 50ml burette with a hopper streaming approximately 25ml in 3.5±0.25 seconds. Specimen and stand plate dimensions are 125×125mm, with a simulated baby weight of 4000±20g. Timer accuracy is 0.01s and balance accuracy is 0.001g. Power: 220/110V 50/60Hz; weight: 45 kg; dimensions: 500×350×800mm.
Specifications
Burette Volume
50 ml
Hopper to Specimen Distance
30 mm
Streaming Speed of Hopper
~25 ml in (3.5±0.25) s
Organic Glass Stand Plate
125×125 mm
Specimen Dimensions
125×125 mm
Timer Accuracy
0.01 s
Balance Accuracy
0.001 g
Simulated Baby Weight
4000±20 g
Power Supply
220/110V, 50/60Hz
Weight
45 kg
Dimensions (L×W×H)
500×350×800 mm
Key Features
Two tests (liquid strike-through and wetback) can be operated on one instrument
Automatic timing device for precise, repeatable measurement
Automatic SBW placement excludes human interference from the test
Included Accessories
Hopper
Standard plate
Simulated baby weight
Test Standards
Liquid Strike-Through
EDANA WSP 80.10
WSP 70.8
ERT 154.0
ERT 151.3
ISO 9073-8
ISO 9073-13
Cover Stock Wetback
EDANA WSP 70.3
WSP 70.7
ERT 150.5
ERT 153.0
ISO 9073-14
Key Highlights
Dual-Test in One Instrument
Both liquid strike-through time and coverstock wetback measurements are performed on a single instrument, reducing laboratory footprint and test time.
Fully Automatic Operation
Automatic timing device (0.01s accuracy) and automatic SBW placement eliminate human interference, ensuring consistent and reproducible results.
Comprehensive Standard Coverage
Covers EDANA WSP, ERT, and ISO 9073 standards for both liquid strike-through and wetback testing of nonwoven and coverstock materials.
It automatically measures liquid-strike-through time and the rewet (wetback) properties of nonwoven and coverstock materials per EDANA/INDA standards.
Yes, both the liquid strike-through test and the coverstock wetback test can be operated on a single instrument.
Timer accuracy is 0.01 seconds. Balance accuracy is 0.001 g.
Specimen dimensions are 125×125mm. The organic glass stand plate is also 125×125mm.
For liquid strike-through: EDANA WSP 80.10, WSP 70.8, ERT 154.0, ERT 151.3, ISO 9073-8, ISO 9073-13. For coverstock wetback: EDANA WSP 70.3, WSP 70.7, ERT 150.5, ERT 153.0, ISO 9073-14, and many more.
The hopper flows approximately 25ml during a time of (3.5±0.25) seconds. The burette volume is 50ml and the distance from specimen to hopper is 30mm.
Included accessories are: Hopper, Standard plate, and Simulated baby weight (4000±20g).
Power: 220/110V, 50/60Hz. Weight: 45 kg. Dimensions: 500×350×800mm (L×W×H).
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