Diaper Absorption Speed and Distribution Tester ASTM International
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Applicable Standards
(1)GB/T 8939-2018
(2)GB/T 39391-2020
Testing Principle
The sanitary napkin is adhered to the curved sample holder of the absorption rate testing machine. A standard test module is placed on the absorption area of the sample surface. The automatic liquid dispensing device adds a specified volume of standard synthetic test fluid into the standard test module. A timer records the time it takes for the sanitary napkin to completely absorb the standard synthetic fluid, indicating its absorption rate.
Technical Specifications
| Parameter | Specification |
|---|---|
| Standard Test Module | Dimensions: (76 ± 0.1) mm × (80 ± 0.1) mm; Mass: 127.0 ± 2.5 g |
| Curved Sample Holder | Length: 230 ± 0.1 mm; Width: 80 ± 0.1 mm |
| Automatic Liquid Dispensing Device | Dispensing volume: 1–50 ± 0.1 mL; Dispensing time ≤ 3 s |
| Automatic Displacement Adjustment | Adjusts travel distance automatically for testing (no manual input required) |
| Test Module Lifting Speed | Adjustable from 50 to 200 mm/min |
| Automatic Timer | Timing range: 0–99999 s; Resolution: 0.01 s |
| Automatic Data Measurement | Automatically records test results and generates summary reports |
| Power Supply | AC 220 V, 0.5 kW |
| Dimensions | 420 × 480 × 520 mm |
| Weight | 42 kg |
Accessories
(1)Standard liquid reservoir and dispensing system.
(2)Test plates and sample holders.
(3)Sensors for liquid level and absorption measurement.
(4)Data acquisition system and control software.
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