Bundesmann Water Repellency Tester - lab instrument
TheTextile Bonded Door Drench Testeris a specialized instrument designed to evaluate the water resistance and durability of textile-bonded doors under simulated heavy rain, flooding, or prolonged water exposure. It measures the integrity of adhesives, seams, and fabric layers when subjected to dynamic water pressure, critical for applications in construction, automotive, and industrial textiles.
- Type: Hydrostatic pressure and dynamic water jet testing system
- Test Standards: ASTM D751 (Coated fabrics), ISO 811 (Water resistance of textiles), GB/T 4744 (Chinese waterproof fabric standard)
- Key Metrics:
- Water Penetration Depth (mm)
- Hydrostatic Pressure Resistance (kPa)
- Adhesive Bond Strength (N/cm²) after water exposure
- Sample Size: Up to 1200×600mm (adjustable clamping)
II. Technical Specifications
| Parameter | Specifications |
|---|---|
| Water Pressure Range | 0–500 kPa (programmable, ±1 kPa accuracy) |
| Water Jet Velocity | 10–30 m/s (adjustable nozzle array) |
| Test Duration | 1–500 hours (auto-stop with data logging) |
| Sensor System | Capacitive moisture sensor + laser displacement sensor (±0.1mm) |
| Power Supply | 380V/50Hz, 3kW |
| Dimensions | 1500×800×1800mm (L×W×H) |
III. Key Features
- Dual Testing Modes:
- Static Hydrostatic:Measures pressure resistance (e.g., flood simulation)
- Dynamic Jet:Simulates rain impact at high velocities
- Advanced Monitoring:
- Real-time water penetration mapping (thermal imaging)
- AI-based bond strength degradation analysis
- Automatic stop at failure threshold
- Automation:
- Programmable multi-stage pressure cycles
- Motorized sample rotation for uniform exposure
- Self-cleaning drainage system
IV. Compliance Standards
- ASTM D751 (Coated fabrics water resistance)
- ISO 811 (Textile waterproofness)
- EN 13501-1 (Fire-resistant bonded door assemblies)
- GB/T 4744 (Chinese waterproof fabric test)
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