The original ash (putty) has strong adhesion, but it is not too hard. Never clean with a knife, it will hurt the copper plate. The best way now is to grind it off gently with water sandpaper. After spraying water on the original ash, wipe it with water sandpaper.

How to clean putty:

1, manually clean the putty.

Take a proper amount of gasoline and wash it with warm water, or with nail polish remover and detergent. You can also soak your hands in warm water with vinegar to clean them. If not, wipe it with alcohol.

Step 2 clean up the putty on the clothes

The putty on the clothes can be dripped with wind oil essence on the part where the putty is rubbed on the clothes, and then washed with clear water. Soak the clothes in warm water and then wash them. Can also be scrubbed with thinner, gasoline, etc.

3, putty powder cleaning on the floor

(1) Add salt to soapy water, soak the rag in water, and then wrap the rag around the putty to wipe it hard. You can also scrub with a mixture of soap, ammonia or turpentine.

(2) If the putty just falls on the floor, it can be dried by a hair dryer and then gently scraped on the floor with a knife.

(3) You can use a little shoe decontamination cream, professional cleaner, dilute sodium water, nail polish remover, wind oil, white vinegar, wet sawdust, etc. If you want to wipe it, you can still wipe it with a soft eraser, soak the towel in hot water, and then wipe it with a hot towel, which can also wipe off the putty.