Faced with this situation, first scrape off the blistering paint, then use a resin filler to fill in the cracks, repaint it, or use no filler. Apply a microporous paint directly after scraping the paint. Three trees paint paint 701 Biological Microscope,Microscope For Biology Students,Microscope For Soil Biology,Biology Lab Microscope Ningbo Beilun Kalinu Optoelectronic Technology Co.,Ltd , https://www.yxmicroscope.com
Experts answer: paint foaming: first to break the bubble, if there is water, which means that the paint layer behind or behind the infiltration of moisture through the sun a sun, water evaporation into steam, it will paint up into a bubble. At this point, the starting paint was removed with a hot air gun, the wood was allowed to dry naturally, then the primer was applied, and finally the entire repair surface was repainted. If there is no water in the bubble, it may be cracked wood grain, there is a small amount of air, the sun through the sun, the air expands, the paint bulge.