Disperse Violet 28 Relative Name is DCDA;Violet 2RE;Dicyaniamide;LATYL VIOLET 2R;Resolin Violet RL;Arlisil Violet R2;Solvent Violet 31;Solvent Violet 51;Dianix Violet 2R-E.
Test Method | Rating | Remarks |
Wash Fastness (ISO 105-C06) | 4-5 | 60°C, multifiber staining: 4 |
Perspiration (ISO 105-E04) | 4/4-5 | Acid & alkaline |
Rubbing Fastness (ISO 105-X12) | ||
• Dry | 4-5 | |
• Wet | 3-4 | |
Light Fastness (ISO 105-B02) | 5-6 | Xenon arc, 40 hours |
Sublimation Fastness (ISO 105-X11) | 4 | 180°C/30s |
Dry Heat Fixation (ISO 105-P01) | 4 | 210°C/60s |
Chlorinated Water (ISO 105-E03) | 3-4 | 20 ppm available chlorine |
Sea Water (ISO 105-E02) | 4 | |
Hot Pressing (ISO 105-X11) | 3-4 | 150°C/30s |
Mainly used for Digital Inkjet Ink (for Direct & Transfer Printing) & Thermal Transfer in textile.
25kg/bag, carton, drum
Parameter | Specification | Test Method / Remarks |
Dye Purity (HPLC) | ≥ 98.0% | Reverse phase HPLC, 254nm & 520nm |
Moisture Content | ≤ 1.5% | Karl Fischer titration |
Ash Content (600°C) | ≤ 0.2% | Gravimetric analysis |
pH Value (5% aqueous dispersion) | 6.0 - 7.5 | Potentiometric, 25°C |
Electrical Conductivity | ≤ 60 μS/cm | 1% in DI water, 25°C |
Particle Size Distribution | Critical for inkjet performance | |
• Dv50 | ≤ 0.20 μm | Laser diffraction (Malvern Mastersizer) |
• Dv90 | ≤ 0.45 μm | ISO 13320:2009 |
• Dv99 | ≤ 0.80 μm | 100% < 1.0 μm guaranteed |
Filterability Ratio | ≥ 99.5% (0.8 μm filter) | Pressure filtration @ 2.0 bar |
Ionic Impurities (ICP-MS) | ||
• Sodium (Na⁺) | ≤ 25 ppm | |
• Potassium (K⁺) | ≤ 15 ppm | |
• Calcium (Ca²⁺) | ≤ 8 ppm | |
• Iron (Fe) | ≤ 3 ppm | |
• Heavy metals (total) | ≤ 10 ppm | Pb, Cd, Hg, Cr⁶⁺ |
Dispersant System | Proprietary anionic/non-ionic blend | Optimized for thermal transfer stability |
