BS EN 464:1994 Protective clothing - Protection against liquid and gaseous chemicals, including liquid aerosols and solid particles - Test method - Determination of leak-tightness of gas-tight suits (Internal Pressure Test)
The outward leakage of air is assessed after inflating a suit in order to stretch the material.
BS EN 464:1994 history
0000 BS EN 464:1994(1999)
1994BS EN 464:1994 Protective clothing - Protection against liquid and gaseous chemicals, including liquid aerosols and solid particles - Test method - Determination of leak-tightness of gas-tight suits (Internal Pressure Test)