Main Features

Main elements: Na, Ca, Mg, Ti, C and so on

The appearance: black brown powder

It has not any poison element and non-pollution to the environment

Electronic resistivity less than 1.5 ohms

Acid-base property: PH from 7 to 12

The average rate of corrosion (laid underground) <0.01mm/year

A series of testing confirmed that it can be used more than 30-50 years