The bubbles fragment, forming ultra-tiny drops, and when these dry they leave a powder with granules that are between one and five microns across.
而这些泡沫就构成了超小的液滴，干燥之后就成了粉末，其颗粒大小在一到五微米之间。
2
Ultra light high strength, thermal insulation, waterproof, and the surface adhesion strong, activist and arch, not crack, dry shrinkage ratio as well as good.
超轻高强、保温隔热、防水防潮、与基面结合力强、集体性好、不起拱、不裂缝、干缩比好等优点。
3
Wash the wafers with mixed acid, lotion and UPW (ultra pure water) by ultrasonic cleaning in wet sinks to get a clean and dry surface of wafers.