4MgCO3.Mg(OH)2.4H2O
EcoMag typically produces HMC (also known as hydromagnesite) ranging in purity from 99.2% to 99.6% and guarantees purchasers 99%+ purity.
This level of purity makes EcoMag HMC ideal for producing secondary magnesium compounds for use as base chemicals for a wide variety of applications: