Unlike solvent dyes pigments can not be dissolved in the polymer, by dissolving the dye loses its crystal structure during processing and become plastic polymer molecular chain of the polymer to achieve. GS series solvent dyes provide excellent performance and economical set of plastic colorant. Used alone, can give a clear plastic completely clear and bright colors; mixed with titanium dioxide, creating a seductive soft effect. GS series also can be used as primary or secondary color color mixed with other pigments. Product Name: GS BLUE AP / Solvent Blue 36 / CISOLVENT BLUE 36 applications: oils, printing inks, plastics coloring formula: C20H22N2O2 Molecular Weight: 322.40 Appearance: blue powder Strength: 100 ± 5% Melting point: 157 ℃ -172 ℃ resistance Temperature: 260 ℃ Moisture: ≤1% PH value: 6.5-7