MMT Liquid Water Separation Tester
I. Product Overview
TheMMT Liquid Water Separation Testeris a precision instrument designed to evaluate the water repellency and separation efficiency of textile materials, coatings, and membranes. It quantifies liquid absorption resistance and hydrophobic performance using standardized spray and drainage methods, critical for waterproof fabric development and quality assurance.
- Type: Automated hydrophobicity testing system
- Test Standards: AATCC 22 (Spray Rating), ISO 4920 (Water resistance)
- Key Metrics:
- Water Repellency Rating (0–5 scale)
- Separation Efficiency (%)
- Absorption Time (seconds)
- Sample Size: 150×150mm (adjustable clamping)
II. Technical Specifications
| Parameter | Specifications |
|---|---|
| Spray System | 12-nozzle array (0.5mm droplet size) |
| Water Pressure | 50±5 kPa (programmable) |
| Test Duration | 1–30 minutes (auto-stop) |
| Drainage Rate | 1.5L/min (recirculating system) |
| Measurement Accuracy | ±1% FS (ISO 376 standard) |
| Dimensions | 800×600×1200mm (L×W×H) |
III. Key Features
- Dual Test Modes:
- Spray Test:AATCC 22 vertical hydrophobicity evaluation
- Drainage Test:ISO 4920 dynamic water separation
- Advanced Detection:
- High-speed camera (120fps) with image analysis
- AI-based droplet tracking (5 severity levels)
- Real-time absorption rate calculation
- Automation:
- Auto-fill/empty water reservoir
- Programmable nozzle angle adjustment
- Self-cleaning drainage system
IV. Compliance Standards
- AATCC 22 (Water repellency spray test)
- ISO 4920 (Textile water resistance)
- EN 343 (European waterproof standard)
- GB/T 4744 (Chinese hydrostatic pressure test)
V. Applications
- Textile Manufacturing:Testing waterproof fabrics for outdoor gear
- R&D:Developing hydrophobic coatings for medical textiles
- Quality Control:Batch inspection of rainwear
- Forensic Analysis:Evaluating fabric degradation from water exposure
Standard Operation Workflow:
- Sample Preparation: Mount specimen on test frame
- Parameter Setup: Select test mode (spray/draining)
- Testing: Initiate programmed water exposure cycle
- Analysis: Generate water repellency score via software
- Cleaning: Automated system decontamination
Safety Precautions:
- Avoid electrical contact with water spills
- Use anti-slip mats near drainage areas
- Maintain 30cm clearance from moving nozzles
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