shoes material water vapor permeability tester
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The permeability of vapor the leather is evaluated by means of measuring the weight of water-vapor that permeates to specimen per unit time and per unit area. The main functional components including: testing holder clamp, ventilation fan, control panel with functions of switch, time setting and recording.
The machine has six separate test stations on a rotary table and each one has a sample holder. Silica gel desiccant is placed in the holder and the test material is placed over the neck of the holder and secured by a screw top. After weighing each holder, complete with silica gel and sample material, the holders are placed and locked into the rotary mechanism. After 7-8 hours the complete holder is weighed again and the gain is used to determine the degree of permeability. It is essential that the entire operation is carried out in a conditioned atmosphere of 20°C and 65% per cent relative humidity. In addition to the standard equipment supplied with a built-in timer to record the number of hours that testing has been carried out.
UNI EN IUP/15, UNI EN 13515, EN ISO 20344: 6.6, IUP 15, BS 3144 Method 24, SLP 25,DIN 53333, ISO 17699, DIN 53 429, METODO - 309 WI 009
- Test stations: 6;
- Electronic timer for recording the testing times;
- The fan blade: 3;
- Dimension of fan blade: 75×90mm;
- Angle between fan blades: 120°;
- Gaps: 10±5mm;
- Speed of fan: 1400r/min;
- Rotary speed of specimen: 75r/min;
- Diameter of sample holders: 30±1mm;
- Diameter of fixtures: 30±1mm, helical;
- Weight: 45kg;
- Dimension: 350×570×450mm;
- Power Consumption: 300W.
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