Sanitary Napkin Absorption Speed Tester
The Sanitary Napkin Absorption Speed Tester is designed to measure the absorption speed of sanitary napkins, menstrual pads, diapers, and other absorbent products. It evaluates whether the absorption layer of these products can take up liquids promptly, providing accurate data for product development, quality control, and performance evaluation.
Application
(1) Testing absorption speed of sanitary napkins in personal care manufacturing.
(2) Measuring absorption efficiency of menstrual pads and incontinence pads.
(3) Evaluating liquid uptake performance of baby diapers and training pants.
(4) Research and development of superabsorbent polymer layers in nonwoven materials.
(5) Quality control in production lines for diapers, sanitary napkins, and other hygiene products.
(6) Laboratory testing of absorbent cores and layered composite materials.
Standards
(1) GB/T 8939-2018: Sanitary napkins – Determination of absorption speed.
(2) GB/T 39391-2020: Disposable absorbent products – General testing requirements.
(3) ISO 11948-1: Disposable nappies – Absorbency testing.
(4) EDANA WSP 70.2: Testing absorbency and acquisition of sanitary products.
(5) ASTM F726: Standard test method for absorption characteristics of disposable absorbent articles.
Features
(1) Color touch screen display with Chinese and English interface.
(2) Adjustable test time display during operation.
(3) Standard test block surface treated with silicone gel artificial skin.
(4) Core control with 32-bit multifunctional motherboard (YIFAC).
(5) Imported precision guide rail for smooth transmission.
(6) Automatic liquid dispensing with adjustable flow.
(7) Equipped with precision level detection device.
(8) Quick-replace sample base for efficient testing.
(9) Automatic test module lifting without manual operation.
Parameters
| Parameter | Specification |
|---|---|
| Standard test module size | 76±0.1 mm × 80±0.1 mm |
| Standard test module mass | 127.0±2.5 g |
| Arc sample base size | Length 230±0.1 mm × Width 80±0.1 mm |
| Automatic liquid feeding | 1 – 50±0.1 mL, discharge ≤ 3 s |
| Test module lifting speed | 50 – 200 mm/min, adjustable |
| Timer | 0 – 99999 s, resolution 0.01 s |
| Power supply | AC 220V, 0.5 kW |
| Appearance size | 420 mm × 480 mm × 520 mm (L×W×H) |
| Weight | 42 kg |
Accessories
(1) Main unit
(2) Standard test blocks
(3) Arc sample base
(4) Automatic liquid feeding device
(5) Power cable
(6) User manual
Test Procedures
(1) Prepare the tester and connect the power supply.
(2) Place the test sample on the arc sample base.
(3) Select the desired test mode and set the test time on the touch screen.
(4) Fill the automatic liquid feeding device with the specified volume of liquid.
(5) Start the test; the module will automatically lift, dispense liquid, and measure absorption speed.
(6) Record the data displayed on the screen.
(7) After the test, remove the sample and clean the test platform.
Maintenance Information
(1) Clean the sample base and silicone gel test blocks regularly.
(2) Inspect the liquid feeding system and guide rails to ensure smooth operation.
(3) Perform calibration periodically with standard reference liquids.
(4) Avoid exposure to corrosive liquids or extreme temperatures.
(5) Lubricate moving parts according to manufacturer recommendations.
(6) Store the instrument in a dry, dust-free environment when not in use.
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