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Labthink Instruments Co., Ltd.
Solar backsheet Water vapor permeability analyzer

Solar backsheet Water vapor permeability analyzer

Product catalog summary

Overview
The document describes the C360 Water Vapor Transmission Rate (WVTR) Test System, a high-precision instrument designed for measuring water vapor permeability of various materials such as films, sheets, paper, textiles, and packaging materials. It conforms to international standards including ASTM E96, TAPPI T464, ISO 2528, and others.

Main Sections and Summaries

1. Specifications and Technical Parameters
- The system supports multiple test stations (up to 12) enabling simultaneous testing.
- Test temperature range: 20~55 ±0.2 °C.
- Relative humidity range: 10%~90% ±1%.
- Test duration varies by model: C360M (1~10 days), C360H (up to 12 hours).
- Measurement sensitivity: balance precision of 0.01g and minimum detectable water vapor transmission rates down to 0.0006 g/(m²·day).
- Test area: 33 cm² with specimen thickness ≤3 mm.
- Carrier gas: compressed air or nitrogen at ≥0.6 MPa.

2. Test Principle and Methodology
- The instrument uses a patented water vapor generation and control method to maintain stable temperature, humidity, and air flow within the test chamber.
- Specimens are mounted between test dishes with advanced fluid dynamics ensuring uniform exposure.
- Automatic humidity regulation and desiccant systems maintain stable test conditions.
- The system measures water vapor transmission gravimetrically by detecting weight changes over time.

3. Features and Advantages
- High precision and repeatability due to patented technology and stable environmental control.
- Automated operation with user-friendly 12-inch touchscreen interface.
- DataShield™ software supports automatic data acquisition, management, and remote monitoring via wireless LAN.
- Supports multiple international standards and flexible test modes.
- Designed for long-term stability with high-efficiency desiccant and humidity control.
- Suitable for a wide range of materials including plastic films, aluminum composites, paper, textiles, medical dressings, and packaging.

4. Applications
- Quality control and research in packaging, food, pharmaceutical, medical, construction, and textile industries.
- Testing of barrier materials such as plastic films, aluminum foils, paperboard, and composites.
- Evaluation of water vapor permeability for product development and regulatory compliance.

5. Additional Functionalities and Software
- Automated test modes reduce manual intervention and improve throughput.
- DataShield™ system ensures data security, compliance with GMP and CFR21 Part 11 standards.
- Supports third-party software integration and customizable reporting.
- Centralized management of multiple test stations with real-time monitoring.

6. Standards Compliance
- Conforms to ASTM E96, ASTM D1653, TAPPI T464, ISO 2528, DIN 53122, GB/T 1692, YBB 0009, and other relevant standards.

7. Limitations and Recommendations
- Specimen thickness should not exceed 3 mm.
- Carrier gas pressure and purity must be maintained for accurate results.
- Regular calibration and maintenance of desiccant and humidity systems are necessary for long-term accuracy.

Summary Tables Extracted
- Table 1: Test Parameters and Ranges
- Test duration: 1-10 days (C360M), 12-24 hours (C360H)
- Temperature: 20~55 ±0.2 °C
- Humidity: 10%~90% ±1%
- Sensitivity: 0.01g balance precision
- Test area: 33 cm²

- Table 2: Specimen and Test Method Details
- Specimen thickness ≤3 mm
- Carrier gas: compressed air or nitrogen
- Test standards: ASTM, TAPPI, ISO, DIN, GB/T

Critical Information
- The patented water vapor generation and control technology ensures uniform and stable test conditions, critical for accurate WVTR measurement.
- Automated data acquisition and management improve laboratory efficiency and data integrity.
- The system’s flexibility supports a broad range of materials and testing standards, making it suitable for diverse industrial applications.
- Proper maintenance and adherence to specified parameters are essential to maintain measurement accuracy and instrument longevity.

This summary captures the essential technical specifications, operational principles, features, applications, and compliance standards of the C360 Water Vapor Transmission Rate Test System as described in the document.

Catalog excerpts

Solar backsheet Water vapor permeability 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 Water vapor permeability 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 Water vapor permeability 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 Water vapor permeability 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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