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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