Vapor Shrinkage Tester
I. Product Overview
TheVapor Shrinkage Testeris a specialized thermal analysis instrument designed to measure dimensional changes in textiles, polymers, or composites when exposed to steam or saturated vapor environments. It simulates industrial finishing processes (e.g., sanforization) to evaluate shrinkage resistance and dimensional stability of materials.
Type:Environmental test chamber with steam generation
Test Temperature:Ambient +20°C to 100°C
Steam Pressure:0.1-0.3 MPa (adjustable)
Chamber Size:500×500×600mm (W×D×H)
Applications:Textile finishing, geotextiles, medical fabrics
II. Technical Specifications
| Parameter | Specifications |
|---|---|
| Steam Generation Rate | 1.5kg/h (max) |
| Shrinkage Measurement | Laser grid scanner (±0.1mm accuracy) |
| Test Duration | 1-999 minutes programmable |
| Power Supply | 380V/50Hz, 3kW |
| Humidity Control | 95%±3% RH (at 100°C) |
| Dimensions | 1200×800×1800mm (L×W×H) |
III. Key Features
Dual Test Modes:
Static Vapor Mode:Continuous steam exposure
Dynamic Steam Mode:Cyclic steam/air alternation
Advanced Measurement:
3D surface mapping (16.000 measurement points)
Real-time shrinkage rate calculation
Automated sample alignment system
Safety Features:
Pressure relief valve (auto-shutdown at 0.35MPa)
Anti-scald door interlock
Overheat protection (triggers emergency cooling)
IV. Compliance Standards
ISO 6330 (Textile testing - Textile fabrics)
ASTM D3759 (Shrink resistance of fabrics)
AATCC 133 (Dimensional changes in fabrics)
GB/T 8629 (Chinese textile shrinkage standard)
V. Applications
Textile Manufacturing:Pre-shrinkage treatment validation
Quality Control:Batch testing of finished fabrics
R&D:Developing shrink-resistant coatings
Forensic Analysis:Evaluating garment shrinkage causes
Standard Test Procedure:
Sample Preparation: Cut 50×50mm specimens
Loading: Secure in steam-permeable clamps
Parameter Setup: Select steam pressure/temperature
Exposure: Run test cycle (typically 30-60min)
Analysis: Compare pre/post-test dimensions via software
Safety Precautions:
Use heat-resistant gloves when handling samples
Maintain 1m clearance from steam vents
Decontaminate chamber after testing chemicals
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