Permanent Yellow H4G
One、Technical parameter
Index number: C.I.P.Y.151
Temperature resistance: 250℃
Light resistance: 7-8
Weather resistance: Level 5
Molecular weight: 381.3422
Molecular formula: C18H15N5O5
CAS number: 31837-42-0
Hue or shade: greenish yellow
Density/(g/cm3): 1.57
Bulk density/(lb/gal): 12.5
Melting point/℃: 330
Average particle size/μm: 230
Particle shape: flake
Specific surface area/(m2/g): 18;23
pH/(10% slurry): -7
Oil absorption/(g/100g): 52
Hiding power: translucent
Two、Pigment property
Shandong Hongrun Pigment: Everlasting Yellow H4G (Pigment Yellow 151) is green and bright yellow, the hue is more green than Pigment Yellow 154 and Pigment Yellow 180, and the hue is more red than Pigment Yellow 175, the hue angle is 97.4 degrees (1/3SD ), the permanent surface area of H4G is 23m2/g, which has good hiding power.
Everlasting Yellow H4G has excellent light fastness. In the coloring of paints and coatings, it can not change color in Florida for 1 year. The weather fastness is 5 grades, and the titanium dioxide is still 4 grades after being diluted.
In the coloring of plastics, the heat-resistant stability of Everlasting Yellow H4G is 260℃/5min without discoloration.
Pigment Yellow 151 produced by Shandong Hongrun Pigment can completely replace Clariant Pigment Yellow H4G.
Three、Main uses
Yonggu yellow H4G is mainly used for: industrial coatings, powder coatings, inks, automotive paints, plastics and other products coloring.
Four、Chinese alias
Pigment Yellow 151; C.I. Pigment Yellow 151; Benzimidazolone Yellow H4G