W301 2.0 Gravimetric Method Water Vapor Permeability Analyzer
Introduction
W301 2.0 WVTR is based on the test principle of the gravimetric method (weight loss), and is developed, designed and manufactured in accordance with GB/T 1037, ASTM E96 and other standards. It is suitable for the water vapor transmission performance test of films, sheets, paper, packaging and related materials in the fields of food, medicine, medical equipment, daily chemicals, photovoltaic electronics, etc. It provides high, medium and low water vapor barrier materials Wide-range, high-efficiency water vapor transmission rate detection.
Test principle
Add distilled water to the dry and clean moisture-permeable cup, seal the moisture-permeable cup with a pre-treated sample and place it in the test chamber.
By controlling the temperature and humidity, the distilled water in the moisture-permeable cup is evaporated, and the evaporated water vapor passes through the film The drying device absorbs and measures the weight of distilled water in the moisture permeable cup with time to obtain parameters such as the moisture permeability of the sample.
Standard
GB/T 1037,GB/T 16928,ASTM E96/E96M,ASTM D1653,TAPPI T464,ISO 2528,DIN 53122-1,JIS Z0208,YBB 00092003
Specification
| Item | Technical Parameters |
| Test Range | 0.1~10000 g/(m²·24h) |
| Resolution | 0.0001 g/(m²·24h) |
| Temperature Control Range | 15~55°C |
| Temperature Control Accuracy | ±0.1°C |
| Humidity Control Range | 90%RH (Relative Humidity) |
| Humidity Control Accuracy | ±2%RH |
| Permeation Area | 50.24 cm² |
| Sample Size | Φ90 mm |
| Sample Thickness | ≤3 mm |
| Test Quantity | 1 piece |
| Overall Dimension | 380 mm × 545 mm × 315 mm |
| Weight | 22 kg |
| Power | 450 W |
| Power Supply | AC 220 V, 50 Hz |
Application
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Film |
Water vapor transmittance test of various plastic films (PP/PET/PE/PVC/BOPP/CPP, etc.), plastic composite films, paper-plastic composite films, metal composite films, coextruded films, aluminized films, degradable packaging films (PLA/PBAT/PBS, etc.) and other film-like materials. |
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Sheet |
Water vapor transmittance test of solid pharmaceutical hard sheets (PP/PVC/PTP, etc.), metal composite sheets, rubber sheets and other flakes. |
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Paper, cardboard and its composites |
Water vapor transmittance test of coated paper, silicone paper, cigarette bag aluminized paper, paper aluminum-plastic composite sheet and other paper and cardboard. |
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Medicinal patches |
Water vapor transmission performance test of medical plasters |
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Package |
Customizable fixtures can be extended to packages such as pharmaceutical polyethylene bottles, sealed bags, pharmaceutical ointment tubes, infusion hoses, plastic trays, etc. |
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