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Test Principle
According to the principle of differential pressure method. Place the processed sample between the upper and lower chambers, use a vacuum pump to evacuate the entire gas circuit system, and then add an experimental gas of an atmospheric pressure to the upper chamber to form a constant pressure difference between the upper and lower chambers. Under the pressure gradient, the gas permeates from the upper chamber to the lower chamber through the membrane, then the system can calculate the barrier performance parameters such as the gas permeability of the sample through the pressure change of the lower chamber.
Standards
ISO 2556, ISO 15105-1, ASTM D1434, JIS K7126-1, YBB 00082003, GB/T 1038
Specifications
| Item | Technical Parameters |
| Testing Range | 0.01 - 50000 cm³/(m²·24 h·0.1 MPa). By expanding the upper limit of the volume, it can test up to 600000 cm³/(m²·24h·0.1MPa) |
| Resolution | 0.0001 cm³/(m²·24 h·0.1 MPa) |
| Temperature Control Range | 15 - 60℃ |
| Temperature Control Precision | ±0.1℃ |
| Vacuum Degree | ＜10 Pa |
| Vacuum Resolution | 0.01 Pa |
| Testing Pressure | 0.1 MPa |
| Testing Gas | O2, CO2, N2, etc. |
| Permeation Area | 50.24 cm² |
| Specimen Size | Φ110 mm |
| Specimen Thickness | ≤2 mm |
| Number of Specimens | 3 pieces |
| Overall Dimensions | 690 mm620 mm390 mm |
| Weight | 55 kg |
| Power | 750 W |
| Power Supply | AC 220V, 50Hz |
Features
Patented core technology for efficient and accurate testing
Patented automatic pressure differential technology, which automatically maintains the pressure difference between the two sides of the sample (the pressure differential can be adjusted freely), good stability and low failure rate due to a built-in high-precision pressure sensor with a resolution of 0.01 Pa.
The semi-conductor refrigeration sheet can control the temperature bidirectionally and automatically, the control accuracy reach to 0.1°C.
Original imported vacuum pump with high vacuum efficiency and low noise, the ultimate pressure can reach 0.1 Pa.
The new pneumatic air circuit control system, Excellent sealing performance that sample can be locked by one-button style automatic fixture.
High throughput, wide testing range and high applicability
The instrument is equipped with 3 chambers, which supports simultaneous testing of three identical or different samples, independent operation, independent data, and high test efficiency.
The testing minimum reach to 0.01 cm3/(m2·24 h·0.1 MPa), which can meet the test requirements of high, medium and low barrier materials.
With the optional addition accessories, it can measure the gas transmission rate of bottles, bags, bowls and other packages. At the same time, it supports the permeability test of different gases such as oxygen, carbon dioxide, nitrogen, and air.
Professional calibration service with accurate and reliable data
Our company has the "National Standard Substance Grading Certificate" for gas transmission rate approved and issued by the "General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China", the standard substance number (GBW(E) 130541 / GBW(E) 130542); The national standard material is used to calibrate and test the instrument to ensure the accuracy, versatility and authority of the test data.
Application
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Films |
Various plastic films (PP/PET/PE/PVC/BOPP/CPP, etc.), plastic composite films, paper-plastic composite films, metal composite films, co-extruded films, aluminized films, degradable packaging films (PLA/PBAT/PBS etc.) and other membranous materials |
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Sheet |
Solid medical hard sheet (PP/PVC/PTP, etc.), metal composite sheet, rubber sheet and other sheet materials |
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Paper and cardboard |
Coated paper, carbon paper, silicone paper, aluminized paper, paper-aluminum-plastic composite sheet and other paper, cardboard |
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Medicinal patch, warmer patch |
Medical plaster treatment patch, warm patch, dysmenorrhea patch, etc. |
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Hygiene |
Sanitary napkins, pads and other hygiene products |
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Package |
Wine bottles, Coke bottles, peanut oil drums, Tetra Pak packaging, vacuum packaging bags, three-piece cans, cosmetic packaging, toothpaste tubes, jelly cups, yogurt cups, etc. Plastic, rubber, paper, paper-plastic composite, glass, metal bottles Gas transmission rate test of bags, cans, boxes and drums |
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Gases |
Oxygen, carbon dioxide, nitrogen, air, helium, etc. |
