* Different regions have different altitudes, which will affect the effect of
vacuuming. The higher the altitude, the lower the peak value of negative
pressure, and the best effect is when the negative pressure is above -88.
⑸
Usually, the air in the cabin can be sucked out within 45 seconds of vacuum
time, and then the airbag is slowly pressed down. The bonding time is 45
seconds. After the bonding is completed, the airbag rises. Start defoaming,
and after the positive and negative pressure gauge returns to zero, you can
open the hatch to take out the product
⑹
After the screen is pasted, a screen measurement is required