High Purity Aluminum Hydroxide For Boehmite Production

Boehmite is one of the coating materials for lithium battery separators which is replacing high purity aluminum oxide.

Frankly, producers dissolve aluminum hydroxide into sodium hydroxide solution and get sodium aluminate finally. After the removing of Fe, Si, Na etc, producers get boehmite and milling to the suitable grade like 1.5 um, 0.7 um and 0.4 um etc.

Specific surface area, crystal form etc of aluminnum hydroxide are important to the production of boehmite. It affects to the specifications and using of separator coating finally.