Water sand bag is what will 'burst skin' fall off?

Water sand washes with colorful coating, cold resistant, resistant to acid rain, high temperature resistant, waterproof, mouldproof, crack resistance, good self-cleaning, etc. However, if the water sand bag colorful coating maintenance is bad, will occur by various coatings. Today, I'd like to make a brief analysis of the sand bag water color paint falls off the causes and preventive measures. Fall reasons: 1. Putty layer shatter and fall off. When the putty layer crushing loss, spraying on the putty layer water pack sand color coating will fall off. 2. Water sand bag use colorful coating mix with water. Water sand bag colorful coating does not need to be mixed with water. Sand mixed with water, the water bag colorful coating product performance will be affected by damage, leading to cracking, peeling, etc. 3. Don't use uneven paint or coating. Paint coating or coating not face to face after wet, rain may occur, this could also lead to water pack sand color coating fall off. Solution: 1. Be bored with child after completion of construction, grinding and maintenance is required. Putty layer after completely dry, sand and colorful paint spraying water bag. 2. Water pack sand directly spray gun spraying colorful coating, it is forbidden to mix with water. 3. Construction process, pay close attention to weather changes, take preventive measures in advance. According to the product construction process, support the use of related products.