2025-07-17
Q:Can helium be filled into balloons and how can the floating time of balloons be prolonged?
A:First, helium gas other than hydrogen can be filled in, which can extend the floating time of the balloon. L'opération correcte consiste à presser une petite quantité de liquide protecteur dans le ballon avant de la remplir d'hélium gazeux et de la pétrir uniformément, ce qui peut sceller le port d'inflation de la peau du ballon. During this process, the floating time can be extended by 2 to 3 times. And after filling with helium, avoid direct sunlight or high-temperature environments to slow down the escape of helium.