name:iron oxide black Fe3O4 powder pigments for ink/auto paint

content:90%min

Tinting Strength:100-105%

Volatile Matter:1.0%max

Water Soluble:0.5%max

Residue On Sieve:0.5%max

Ph value:5-8

Oil absorption:30%-35%

used in ink,color paste,coating,plastic runway,building cement,rubber,plastic,medicine,ceramics,etc

We are professional manufacture of the iron oxide red. We can guarantee the quality

High quality product

Considerate service

Efficient work and best quality

We can make other specifications according to customer’s request