Surface | Features | Summary of manufacturing methods | Purpose |
NO.1 | Silvery white Matte | Hot rolled to specified thickness | Use without surface gloss |
NO.2D | Silvery white | Heat treatment and pickling after cold rolling | General material, deep drawing material |
NO.2B | Gloss stronger than No.2D | After No.2D treatment, the final light cold rolling is carried out through the polishing roller | General timber |
BA | Bright as a mirror | There is no standard, but it is usually bright annealed surface processing, with high surface reflectance. | Building materials, kitchen utensils |
NO.3 | Rough grinding | Grind with 100 ~ 200# (unit) abrasive belt | Building materials, kitchen utensils |
NO.4 | Intermediate grinding | A polished surface obtained by grinding with 150~180# abrasive tape | Ditto |
NO.240 | Fine grinding | Grinding with 240# abrasive belt | kitchenware |
NO.320 | Very fine grinding | Grinding with 320# abrasive belt | Ditto |
NO.400 | Gloss close to ba | Grind with 400# polishing wheel | General materials, building materials, kitchen utensils |
HL | Hair line grinding | There are a lot of grinding particles in hair line grinding (150 ~ 240#) with appropriate particle materials | Building materials |
NO.7 | Close to mirror grinding | Grinding with 600# rotary polishing wheel | For art and decoration |
NO.8 | Mirror grinding | The mirror is ground with a polishing wheel | Reflector, decorative |