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| Brand | Yasuda |
|---|---|
| Origin | Japan |
| Model | No.473 |
| Test Standards | JIS L 1058, ASTM D3939 |
| Test Method | ICI Mace (Rotating Drum with Protruding Pins) |
| Rotation Cycles | 100 ± 1 rev |
| Sample Mounting | Cylindrical Mandrel Wrapped with Fabric Specimen |
| Evaluation | Visual Comparison Against Standard Photographic Rating Scale (Grade 1–5) |
| Brand | Yasuda |
|---|---|
| Origin | Japan |
| Model | No.409 |
| Complies with | JIS L 1092 (Method A – Low-Pressure Rise), ISO 811 |
| Test Principle | Hydrostatic Pressure Resistance Measurement via Controlled Water Column Rise |
| Operation Modes | Dynamic Water Level Rise (Standard A Method), Fixed-Pressure Hold, and Leakage Detection Mode |
| Sample Clamping | Dual-Ring Mechanical Clamp with Uniform Sealing Force |
| Maximum Test Height | ≥ 200 cm H₂O (typical range for textile hydrostatic head evaluation) |
| Resolution | 1 mm water column |
| Repeatability | ≤ ±2 cm H₂O (per ASTM D751 / ISO 811 inter-laboratory consensus) |
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