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Leather Testing Equipment
Name：LFY-262 Leather Water Vapor Permeability Tester
Details
The main purposeThe water vapor permeability of leather refers to the ability of the leather to allow water vapor to pass through the air with higher humidity to the air with lower humidity. This performance of leather is comfortable for the user to wear. The water vapor permeability and air permeability of leather are commonly used to characterize the hygienic properties of leather. Water vapor permeability and air permeability are important indicators of the hygienic properties of leather.
Technical index
1. The hole on the test bottle and lid: 30mm
2. Rotation speed of test bottle holder: (75±5) r/min
3. The distance between the axis of the test bottle and the axis of the bracket: 67mm
4. The bracket can clamp six test bottles at the same time
5. Fan blades: 90mm×75mm
6. Fan speed: (1400±100) r/min
7. Test conditions: temperature (20±2)℃, relative humidity (65±2)%.
8. Temperature accuracy: ±0.5℃, relative humidity accuracy: ±2% of indicated value.
Applicable standards
QB/T 1811-1993 leather water vapor permeability test method
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