1. Non-porous surface, high density
2. Super hardness: Moh’s hardness 7
3. Low water absorption, lower than 0.03%
4. Safety, no radiation, durability
5. Free maintenance
1. Non-porous surface, high density
2. Super hardness: Moh’s hardness 7
3. Low water absorption, lower than 0.03%
4. Safety, no radiation, durability
5. Free maintenance
