Appearance:Red powder
Chemical classification:Synthetic iron oxide red a-Fe2O3
Pigment index:Pigment Red 101 (77491)
CAS number:1309-37-1
EEC number:215-168-2
Molecular formula:Fe2O3
GB/T1863-2008 iron oxide pigment standard (MOD ISO1248:2006).
Indicator nameunit Index value Test Methods
Color difference 1.0
Relative tinting strength%95ï½?105Titanium dioxide dilution(1:10)
Iron content (expressed as Fe2O3)%â?¥95ISO1248:2006
Oil absorptiong/100gAgreedISO787-5
Sieve residue325mesh%0.11ISO787-7
Water soluble%0.3ISO787-3
105 ° C volatiles%1.0ISO787-2
pH value AgreedISO787-9
1000 ° C / 0.5 h heat loss%5ISO55913
Particle shape spherical
Primary primary particleD50m0.4-0.7
Seismic densityg/cm30.8-1.1
densityg/cm34.8
Lightfastnesslevel7-8
Weather resistancelevel5
Heat resistance600
The above are the main technical indicators of the products, other indicators refer to the national standards of the products.