T. A. Ochilov, B. B. Axmedov, S. U. Patxullayev, F. R. Taniberdiev, sh. S. Mengnarov

Water resistance is the resistance of textile materials to the initial penetration of water through them. Water resistance can be characterized by: 1. pressure (mm wg. Art.) On the material at which the 3rd drop of water appears on the opposite surface of the sample; 2. The time through which the 3rd drop passes through the material at a given pressure or at a given height of droplets falling on the sample

Hаvo о‘tkаzuvchаnlik Vozduxopronisаyemostь

Havo о‘tkazuvchanlik- tо‘qimachilik matyeriallarining uning yuzasiga nisbatan pyerpyendikulyar bosim gradiyenti mavjudligida havo о‘tkazish qobiliyatini xaraktyerlovchi xossa. Havo о‘tkazuvchanlik koeffisiyenti – 1m^2 namuna orqali, 1 syekundda, bosim (Pa) farqi о‘zgarmagan holatda о‘tadigan havo miqdori (m^3) kо‘rsatkichi.