C130H Gas Permeability Tester

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C130H Gas Permeability Tester is based on the differential pressure method, and is professionally applicable to the determination of gas transmission rate, solubility coefficient, diffusion coefficient and permeability coefficient of plastic films, composite films, high barrier materials, sheets, and metal foils at different temperatures. The testing process conforms to GB, ISO, ASTM and other international standards.

Product FeaturesNote1

Innovative structure design & upgraded automatic operation

  • Test cells with brand new pop-up drawer type design
  • Automatic specimen clamping with uniform force
  • Components are supplied by global well-known manufacturers, which are reliable and stable in performance
  • Intelligent test mode, one-button test operation (test temperature should be set in advance) and automatic stop
  • Scientific research mode provides more flexible parameter and function settings for analysis of gas transmission rate, solubility coefficient, diffusion coefficient and permeability coefficient

Upgraded testing accuracy and efficiency

  • Imported high precision vacuum sensor for tests of ultra-high barrier property (0.01 ~ 0.09 cm3/ m2·24h·0.1MPa) materials with high accuracy and repeatability
  • Imported pneumatic control system with ultra-low failure rate and extremely long service life, which guarantees the seal performance of the whole system
  • Imported high precision vacuum pump improves the evacuation efficiency and generates vacuum up to 0.2Pa
  • The vacuum pump is turned on/off automatically
  • For low and medium barrier property materials, test time is less than 4 hours (including evacuation time)
  • For high barrier property materials, test time is less than 8 hours (including evacuation time)
  • Three independent test cells provide individual test results, specimens can be replaced as desired

Excellent temperature and pressure control technique

  • 360°circulation constant temperature technology is applied in the instrument to remain the test temperature fluctuation below 0.05°C
  • Labthink’s unique pressure compensation technique is used to maintain the stable differential pressure (pressure change is less than 0.2KPa)
  • The pressure of high pressure chamber can be adjusted from 10KPa to 210KPa and maintained precisely

Versatile functions based on standards, customization available

  • Various types of gases are testable: sole gas, mixed gases, poisonous gases, explosive gases and other dangerous gases (customization is required)
  • The humidity of test gas can be adjusted and controlled automatically by the system, without requiring human intervention (customization is required for humidifying device)
  • Labthink’s unique data fitting function can provide the test results of gas transmission rate, permeability coefficient, solubility coefficient and diffusion coefficient at extreme temperatures
  • Reference film for fast calibration ensures accurate and universal test data
  • Calibration port for verifying test temperature and pressure
  • Conform to the test standards of differential pressure method

High end, secure and easy-to-use embedded computer controlled system

  • Integrated design of instrument and software minimizes the malfunctions caused by computer virus or faulty operations and ensures the performance of the instrument and data security
  • The instrument can be easily operated with a mouse, a keyboard and a monitor. Windows operation interface for testing operations and displaying data
  • The system is equipped with four USB ports and dual Internet ports for convenient data transmission
  • The instrument meets the requirements of China GMP of pharmaceutical industry (optional)
  • Labthink’s unique DataShieldTM system for data management and connecting information management system (optional)

Test Principle

C130H is designed in accordance with differential pressure method. The pre-conditioned specimen is mounted in the gas diffusion cell as to form a sealed barrier between two chambers. The lower-pressure chamber is firstly evacuated, followed by the evacuation of the entire cell. A flow of gas is thereafter introduced into the evacuated higher-pressure chamber and a constant pressure difference is generated between the two chambers. The gas permeates through the specimen from higher pressure side into the lower pressure side. The gas permeability and other barrier properties of the specimen can be obtained by monitoring the pressure changes in the lower chamber.

Test StandardNote1

ISO 2556, ISO 15105-1, GB/T 1038-2000, ASTM D1434, JIS K7126-1, YBB 00082003


This instrument is applicable to the determination of gas permeability of:

Basic Applications
  • Films
    Including plastic films, plastic composite films, paper-plastic composite films, coextruded films, aluminized films, aluminum foils, aluminum foil composite films and many others
  • Sheeting
    Including engineering plastics, rubber and building materials, e.g. PP, PVC and PVDC
Extended Applications
  • Various Gases
    Test the permeability of various types of gases, e.g. O2, CO2, N2, Air and He
  • Inflammable, Explosive and Poisonous Gases
    Test the permeability of inflammable, explosive and poisonous gases
  • Biodegradable Films
    Test gas permeability of various sorts of biodegradable films, e.g. starch-based biodegradable bags
  • Materials for Aerospace Usage
    This instrument can test the Helium permeability of airship gas bags
  • Paper and Paper Board
    Test gas permeability of paper and paper-plastic composite materials, e.g. aluminized paper for cigarette packages, Tetra Pak sheeting, paper bowls for instant noodles and disposable paper cups
  • Paint Films
    Test gas permeability of substrates coated paint films
  • Glass Fiber Cloth and Paper
    Including glass fiber cloth and paper materials, e.g. Teflon paint cloth, Teflon welding cloth and Teflon silicon rubber cloth
  • Soft Tube Materials for Cosmetics
    Including various types of cosmetic tubes, aluminum-plastic tubes and toothpaste tubes
  • Rubber Sheeting
    Including various sorts of rubber sheeting, e.g. car tires

Technical SpecificationsNote2

Specifications Film Test
Test Range 0.01 ~ 50,000 cm3/m2·24h·0.1MPa
Resolution 0.001 cm3/ m2·24h·0.1MPa
Temperature Range 10°C~ 50°C (room temperature 23°C)
Resolution 0.01°C
Temperature Fluctuation ±0.05°C
Temperature Accuracy ±0.3°C (calibration port)
Vacuum Resolution 0.01Pa
Vacuum Accuracy Displayed Value ±0.2°C (1%~100% of sensor range)
Vacuum Degree of Test Chamber < 10 Pa
Number of Specimens 3 with independent test results
Customization available for other number of specimens
Specimen Size Φ97 mm
Test Area 38.48 cm2
Test Gas O2, N2, and CO2 (outside of supply scope)
Humidifying of Test Gas (customization available)
Test Pressure 10KPa ~ 210KPa
Gas Supply Pressure 0.5 Mpa ~ 0.6 Mpa (73psi ~ 87psi )
Port Size Φ6 mm PU Tubing
Instrument Dimension 710 mm (L) × 350 mm (W) × 630 mm (H)
Power Supply 220VAC±10% 50Hz / 120VAC±10% 60Hz
Net Weight 100 kg


Standard Configurations
Instrument, Monitor, Keyboard, Mouse, Round Sample Cutter, Vacuum Grease, Fast Quantitative Filter Paper and Vacuum Pump, Φ6 mm PU tubing (3m)
Optional Parts
GMP Computer System, DataShieldTM Note3, Air Compressor
1. The gas supply port of the instrument is Φ6 mm PU tubing;
2. Customers need to prepare gas supply.

Note 1: The described test standard, applications and product features should be in line with Technical Specifications.
Note 2: The parameters in the table are measured by professional operators in Labthink laboratory under strictly controlled laboratory conditions.
Note 3: DataShieldTM provides safe and reliable data application support. Multiple Labthink instruments can share one single DataShieldTM system which can be configured as required.


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