1. The rust caused by filth on the surface of FRP can be washed by 10% nitric acid or abrasive detergent, and can also be washed by special washing drugs.
2. If there is dirt on the surface of FRP and it is easy to remove dirt, it can be washed with soap, weak detergent or warm water.
3. For trademarks and film on the surface of FRP, wash with warm water and weak detergent. Scrub the binder ingredients with alcohol or organic solvent.
4. The grease, oil and lubricating oil pollution on the surface of FRP should be wiped clean with a soft cloth, and then cleaned with neutral detergent or ammonia solution or special detergent.
5. The surface of FRP has bleaching agent and various acids attached, immediately wash with water, and then soak with ammonia solution or neutral carbonated soda solution, wash with neutral detergent or warm water.
6. There are rainbow lines on the surface of FRP, which is caused by excessive use of detergent or oil. When washing, neutral detergent with warm water can be washed away.