Chrome Yellow is a natural yellow pigment made of lead(II) chromateBecause the pigment tends to oxidize and darken on exposure to air over time,
and it contains lead, a toxic, heavy metal, it has been largely replaced by another pigment,
Cadmium Yellow (mixed with enough Cadmium Orang to produce a color equivalent to
chrome yellow).
specification:
|
Tinting Strength(Compared with standard),%
|
95
|
|
Volatile Matter at 1050C (%,m/m)
|
1.0
|
|
Soluble Matter In Water,%
|
1.0
|
|
Alkalinity and Acidity of Aqueous Extract,ml
|
20
|
|
PH Value Of Water Slurry
|
5~8
|
|
Oil Absorption, g/100g
|
22
|
|
Residues On Sieve(45μm mesh sieve),%(m/m)
|
0.5
|
|
Ease Of Dispersion, μm
|
25
|
|
Heat Resistance, 0C
|
180
|
|
Light Fastness,(Grade)
|
5
|
|
Water Fastness,(Grade)
|
5
|
|
Alkali Fastness,(Grade)
|
5
|
|
Acid Fastness, (Grade)
|
5
|
|
Linseed Fastness, (Grade)
|
5
|
|
Total Lead Content,%(m/m)
|
50.0
|
|
Lead Chromate Content, %(m/m)
|
90.0
|