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Labthink Instruments Co., Ltd.
Solar Backsheet WVTR Permeation Analyzer

Solar Backsheet WVTR Permeation Analyzer

Product catalog summary

Overview

The document describes the C360 Water Vapor Transmission Rate Test System, a high-precision instrument designed for measuring water vapor transmission rates (WVTR) in various materials such as films, sheets, paper, textiles, and packaging materials. It complies with international standards including ASTM E96, TAPPI T464, ASTM D1653, DIN 53122, ISO 2528, and others.

Key Features

High Precision and Accuracy: Utilizes patented technology and Labthink’s proprietary test dishes and software to ensure stable temperature, humidity, and flow rate control, resulting in highly accurate and repeatable measurements.
Automated Operation: Supports automatic humidity regulation, data acquisition, and test management through a user-friendly 12-inch touchscreen interface and DataShield™ software for secure data handling and remote management.
Multiple Test Stations: Capable of running up to 12 test stations simultaneously, improving laboratory efficiency and throughput.
Wide Application Range: Suitable for testing a variety of materials including plastic films, aluminum composites, paper, textiles, medical plasters, aseptic packaging, and construction materials.
Environmental Control: Maintains stable and uniform test conditions with advanced thermodynamic design, automatic humidity generation, and desiccant systems to ensure consistent results.

Technical Specifications

Parameter	Range / Value
Test Temperature	20~55 ± 0.2 °C
Test Humidity	10%~90% ± 1%
Test Duration	Model C360M: 1~10 days; Model C360H: ≤8-12 hours
Test Area	33 cm²
Specimen Thickness	≤3 mm
Carrier Gas Pressure	≥0.6 MPa
Measurement Sensitivity	0.01 g
Max Test Stations	12

Test Principles and Standards

The instrument measures water vapor transmission by mounting the specimen between a test dish and a controlled environment chamber. It monitors water vapor permeation through the specimen under regulated temperature, humidity, and air velocity conditions. The system adheres to multiple international standards such as ASTM E96, TAPPI T464, ASTM D1653, DIN 53122, ISO 2528, GB/T 1692, and YBB 0009, ensuring compliance for various industrial and scientific applications.

Applications

Packaging materials including plastic films, aluminum foil composites, and paper-based packaging.
Medical and pharmaceutical materials such as aseptic packaging, wound protection films, and plasters.
Construction and insulation materials including sheeting, glass fiber, and nonwoven textiles.
Food packaging and other barrier materials requiring precise moisture permeability evaluation.

Additional Functionalities

DataShield™ system for secure data storage, remote access, and compliance with GMP and CFR21 Part 11 regulations.
Automatic humidity generation and regulation with mist-free operation and desiccant management to maintain stable test conditions.
Flexible test modes and customizable parameters to accommodate diverse specimen types and testing requirements.
Wireless LAN and network support for centralized management and integration with third-party software.

Operational Benefits

Improved laboratory efficiency through automation and multiple simultaneous tests.
Reduced manual intervention and monitoring, saving labor and minimizing errors.
Enhanced repeatability and reliability of test results due to precise environmental control and patented test dish design.
User-friendly interface and comprehensive customer support services for ease of use and customization.

Limitations and Considerations

Specimen thickness is limited to ≤3 mm for accurate measurement.
Test duration varies depending on model and material, ranging from hours to days.
Carrier gas pressure and flow rate must be maintained within specified ranges for optimal performance.
Regular maintenance of desiccant and humidity generation systems is necessary to ensure consistent operation.

Catalog excerpts

Solar Backsheet WVTR Permeation Analyzer-1

PERME® C360 Water Vapor Transmission Rate Test System C360 Water Vapor Transmission Rate Test System, is designed and manufactured based on the gravimetric determination method and conforms to the requirements of ASTM E96. This instrument can be used to measure the water vapor transmission rate of barrier materials with high, medium and lower moisture barrier properties with a wide testing range and high testing efficiency. The instrument features Labthink’s patented test chamber design with multiple test dishes. The instrument is equipped with precision made test dishes and highly accurate balance, embedded professional software which supports automatic controlling of temperature, humidity and flow rate precisely and guarantees the testing sensitivity and repeatability of the test results. C360 is applicable to determination of water vapor permeability of plastic films, sheeting, paper, packages and other relative packaging materials in food, pharmaceutical, medical apparatus, building materials and consumer goods, etc. High Precision • Patented test chamber and test dishes with advanced fluid dynamics and thermodynamic designs. • Labthink’s proprietary thermostat technology ensures that the test chamber is precisely temperature controlled and remains stable throughout the test. • Precise and scientific regulation and calculation of testing conditions. High Efficiency • 12 test stations • Supports test modes of desiccant method and water method Labor Saving • Automatic humidity and flow rate controlling. • Desiccator that needs no replacement of inner core. • High-efficiency water vapor generator. Simplified Operation • 12’’ touch -screen pad powered by Windows™ 10 system. • Fast automatic testing process. • DataShield™ for automatic data management. Product Features Note3 • New Generation Test Chamber and Test Dishes Patented test chamber and test dishes with advanced fluid dynamics and thermodynamic designs ensure the uniform flow rate over the specimen surface, stable temperature and humidity, creating a uniform and stable testing environment. As a result, the test duration is shortened and the test results will be more accurate. LaUthink Instruments Co., Ltd. 144 Wuyingshan Road, Jinan, P.R.China (250031) Phone: +86-531-85068566 FAX: +86-531-85062108 LaUthink International, Inc. 200 River's Edge Drive, Medford, MA, 02155, U.S.A. Phone: +1-617-830-2190 FAX: +1-781-219-3638 wwwJ

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Solar Backsheet WVTR Permeation Analyzer-2

• Excellent Testing Abilities of High and Low Barrier Materials The testing conditions will be regulated precisely in real time, which ensures the high testing accuracy and repeatability of high and low barrier materials. • Automatic Controlling of Temperature, Humidity and Air Velocity Labthink’s proprietary thermostat technology ensures that the test chamber is precisely temperature controlled and remains stable throughout the test. Air velocity is monitored and regulated in real time. High-efficiency and mist-free automatic humidity regulator meets the requirements for long-term continuous...

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Solar Backsheet WVTR Permeation Analyzer-3

This instrument is applicable to the determination of water vapor transmission rate of: Plastic films, plastic composite films, paper-plastic composite films, coextruded films, aluminum coated films, aluminum foil composite films, glass fiber aluminum foil paper composite films and many other film materials Basic Applications PP, PVC and PVDC sheeting, metal foils, rubber pads and other sheeting materials Paper and Paper Board Aluminum coated paper for cigarette, paper aluminum plastic composite film and other paper and paperboards Textiles and Nonwovens Textiles and nonwoven fabrics Construction...

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Solar Backsheet WVTR Permeation Analyzer-4

Labthink DataShield™ Note2 Additional Computer System required by Functions GMP Table 2: Technical Specifications Specimen Size Specimen Thickness Test Method Standard Test Area Carrier Gas Drying of Carrier Gas Humidifying of Carrier Gas Carrier Gas Pressure Port Size Desiccant Method / Water Method Long Service-life Desiccator (unnecessary to replace inner core) High-efficiency mist-free humidity generator The parameters in the table are measured by professional operators in Labthink laboratory under strictly controlled laboratory conditions.. Note 2: DataShield™ provides safe and reliable...

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