Series of Lead Chrome Yellow
It mainly includes lemon chrome yellow,light chrome yellow,medium chrome yellow,deep yellow and orange chrome yellow etc.The color series is complete,the tone is form light to deep and accords with national standard tone(the number of national standard is GB 3184-82 and the number of the enterprise standard is Q/TKDZO1-1998).It is mainly used in paints,printing ink,rubber,plastics and stationery etc.)

The Quality Index of Lead Chrome Yellow Pigments:

501
Lemon
Chrome Yellow		 502
Light
Chrome Yellow		 103
Medium
Chrome Yellow		 124
Deep
Chrome Yellow		 115N
Orange
Chrome Yellow		 803
Permanent
Medium
Chrome Yellow
Outward
Appearance
Molecular Formula 3PbCrO4
_2PbSO4		 5PbCrO4
_2PbSO4		 PbCrO4 2PbCrO4
_PbO		 PbCrO4
_PbO		 PbCrO4
_PbSO4
Characteristic Good
performance
of light-
resistance		 The covering power and coloring power Have been greatly improved than lemon chrome yellow The chrome is pure Low oil absorption and strong covering power Low oil absorption and good light
resistance		 Good performance of heat resistance
Color
(to standard)		 approximate-slight approximate
-little
Coloring Power
(%>=)		 95 95 95 95 95 95
Content of water-soluble materials
(%<=)		 1.0 1.0 1.0 1.0 1.0 -
Content of water(%<=) 3 2 1 1 1 1
Oil
absorption
(%<=)		 30 30 22 20 15 -
pH of water extract 4-7 4-7 5-8 5-8 4-7 -
Residue on sieve (%<=) 0.5 0.5 0.5 0.5 0.5 -
Content of Lead Chromate (%>=) 50 60 90 85 55 -
Covering
Power
(g/m²<=)		 95 75 55 45 40 -

 
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