... Fe2O3 99%min Size(um) 0.3 PH Value 6.2 I am glad to avail of this opportunity ... to introduce ourselves, we are the manufacturer to produce iron oxide pigment,our products can be indicated as follows: ... 1.iron oxides (red 110,120,130,190,101, yellow ... ,318,722,green, brown etc) 2.micronized and granulate iron oxide pigments 3. organic pigments ( blue 15:3, ...