China Naming Network - Weather knowledge - Is the brass dragon turtle a solid or hollow feng shui?
Is the brass dragon turtle a solid or hollow feng shui?
Hollow.
More than 95% of copper products are hollow, so it can't be solid casting.
Copper products are the general name of daily necessities and industrial supplies processed from pure copper or copper alloys. Copper is a tough, soft and malleable purplish red shiny metal. 65,438+0g copper can be drawn into 3000m long filaments or pressed into 65,438+000m2 almost transparent copper foil.
Pure copper has high electrical conductivity and thermal conductivity, second only to silver, but copper is much cheaper than silver.