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Demanded for diapers and sanitary goods, this Wetback Tester measures the capacity of a non-woven cover-stock to hold back liquids even under the pressure of weight. The purpose of the tester is to check the ability of cover-stock to resist the transport back onto the skin of a liquid. The offered Wetback Tester is widely appreciated among our customers, owing to its unique attributes like digital screen, long service life and accurate result.
Application
Wetback Tester, is used for automatic measurement of the rewet properties of non woven cover stocks according to EDANA/INDA standards WSP 70.3, equivalent to ERT 150.5 (02) and ISO 9073-8 etc.
Standards
EDANA WSP 70.3, WSP 70.7, ERT 150.5, ERT153.0, ISO 9073-14, GB/T24218.14
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Accurate Digital Analysis for Absorbency AssessmentEquipped with a high-precision LCD timer and an accuracy of 0.1 seconds, the Wetback Tester delivers reliable and repeatable measurements of water absorption and rewetting levels. This helps manufacturers maintain product quality and comply with international standards like ISO 9073-8 and EDANA guidelines.
Versatile Operation Modes for Flexible TestingThe tester supports both manual and automatic testing modes, accommodating different workflow requirements. Easy-to-use controls, along with accessories like specimen pressing plates and a pipette, facilitate efficient sample preparation and evaluation.
Compliant, Rugged, and User-Friendly DesignConstructed from stainless steel (SS), the device is durable and suitable for industrial use. Its user-friendly design, including a clear LCD display and standard USB data port, ensures seamless operation and quick data retrieval for quality control or reporting.
FAQ's of Wetback Tester:
Q: How does the Wetback Tester with Display measure absorbency and wetback in nonwoven hygiene products?
A: The Wetback Tester utilizes a digitally controlled timer and pressure application system to determine water absorption and rewetting characteristics. A precise volume of liquid is applied to a specimen, and the liquid that returns to the surface (rewet) is detected, quantifying absorbency according to international test standards.
Q: What materials and specimen sizes can be tested with this device?
A: This instrument is specifically designed for nonwoven hygiene textiles. Each test is performed on a circular specimen with a diameter of 100 mm, allowing assessment of products like diapers, sanitary napkins, and wipes.
Q: Where should the Wetback Tester be installed and operated for optimal performance?
A: For best results, install the device in environments with ambient humidity between 45-75% RH and temperatures ranging from 18-28C. This ensures testing conditions are consistent with compliance guidelines and delivers accurate measurements.
Q: When is it necessary to use the automatic mode instead of the manual mode?
A: Automatic mode is ideal when repeatability and operator independence are crucial, such as during high-throughput quality control tests. Manual mode allows for more controlled, user-driven operation, useful during research or method verification.
Q: What is the process for conducting a wetback test using this equipment?
A: A test specimen is placed between pressing plates, and a measured liquid volume is dispensed via the included pipette. The tester's timer records the absorption and rewetting process. After the prescribed interval, the rewet data is recorded, following ISO 9073-8 or EDANA procedures.
Q: How does the USB data port benefit users of the Wetback Tester?
A: The standard USB data port allows for rapid transfer of test results to external devices, enhancing data management, traceability, and reporting efficiency in laboratory and manufacturing settings.