》 Rainproof performance: Rainproof test shall be carried out in accordance with 7.1 of TB/T 3107, and leakage shall not occur.
》 Watertight performance: Under the condition of 3L/( m².min), the leakage pressure difference is △P≥350Pa.
》 Wind pressure resistance performance: deformation pressure value P1 ≥ 3kPa; safety pressure difference P3 ≥ 3.5kPa.
》 Insulation performance: heat transfer coefficient K ≤ 3.5W / (m².K).
》 Sound insulation performance: weighted sound insulation Rw ≥ 25dB.
》 Durability: 2×104 full-stroke opening and closing test of the movable window, the equalization mechanism or the turning mechanism should not be invalid; the main body of the window is not deformed and does not open.
》 The clear window height of the movable window that is opened downwards or upwards should not be less than 340mm and can be stopped at any position.
》 The net opening angle of the inner reversing window should not be less than 30°.
》 The force of the switch window is not greater than 80N after the total assembly of the window, and the window should not be greater than 100N after loading.