Benefit of hard aluminum anodizing is many. Hard coat anodizing have to create on the surface of aluminum because of many reason, and those reason is base on the benefit of this anodized, the benefit is as follows:
- More corrosion resistance
- Looking better than normal aluminum
- Use as insulator because oxide film can’t conduct electric current
- Increase wear resistance and abrasion resistance
- More bright can use as reflector
- Light weight - Flame resistance
- No contaminate for example in use for medical instrument
See more about anodizing: