| 摘要 |
A method for removing a coating on a surface by applying a treatment layer to the coating to be removed. The treatment layer is made up of (i) a first material selected from the compounds of sodium and potassium silicates, sodium and potassium phosphate, calcium silicate, iron and aluminum sulfates and (ii) an alkali metal salt. An abrasive is injected against the coating to be removed so that the treatment layer and coat to be removed are removed and any hazardous material in the layer to be removed is contained.
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