| Reagents Name | Test Result | Grading |
| Vitriol(95%) | No significant effect on surface gloss and color | Grade 1 |
| Phenol(90%) | No significant effect on surface gloss and color | Grade 1 |
| Phosphoric acid(85%) | No significant effect on surface gloss and color | Grade 1 |
| Cu cuminic acid(60%) | No significant effect on surface gloss and color | Grade 1 |
| nitric acid(40%) | No significant effect on surface gloss and color | Grade 1 |
| Hydrochloric Acid(37%) | No significant effect on surface gloss and color | Grade 1 |
| Po Potassium hydroxide(65%) | No significant effect on surface gloss and color | Grade 1 |
| Hydrofluoric acid(40%) | No significant effect on surface gloss and color | Grade 1 |
| Formic acid(90%) | No significant effect on surface gloss and color | Grade 1 |
| Acetone(95.5) | No significant effect on surface gloss and color | Grade 1 |