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Solvent resistant, Thermoset Fluorescent Pigments |
UNJ SERIES |
RECOMMENDED APPLICATOINS: |
Coatings and Inks where strong solvent are applied; other solvent sensitive systems |
HIGHLIGHT OF PROPERTIES: |
Thermoset, narrow distributed particles; Excellent resistance to solvent and bleed; Good tinting strength, and broad compatibility. |
SHADES: |
Chartreuse, Green, Orange-Yellow, Orange, Orange-Red, Red, Cerise, Pink, Magenta, Blue, Purple |
CHEMICAL NATURE: |
A solid solution of fluorescent dyes in a thermoset amino resin |
PHYSICAL PROPERTIES: |
Shape and state: |
Solid irregular shaped particles |
pH: |
3.8~ 6 (5% dispersion in water) |
*Moisture*: |
< 4% (2 gram under 140C for 0.5 hours) |
Specific Gravity: |
1.3 (20℃) |
Solvent Resistance: |
Not soluble in most solvent systems and water. (Solubility is tested in a 40C water bath for 30 minutes. Following the solubility test, appearance of the supernatant is observed and marked for bleed scales.) |
Solvent Resistance: |
Solvent |
Acetone, Methanol, Methyl Ethyl Ketone |
Ethanol, 2-Propanol |
Ethyl Acetate |
Mineral Spirits, Toluene, Xylene |
Bleed |
2 |
1 |
1-2 |
0 |
Bleed scales: 0 - negligible; 1 - slight; 2 - moderate; 3 - considerable
|
*Particle Size* (Microscope): |
Maximum 10 um; |
*Particle Size* |
Average <5 um |
Softening Point: |
Thermoset; no softening point. But observed color changes at ~190℃ |
Decomposition Point: |
> 300℃ |
Decomposition Point: |
> 300℃ |
*COLOR ASSESSMENT*: |
Shade (hue) and strength are compared against an approved standard by trained technicians upon preparing side-by-side drawdowns and placed in standard light box equipped with UV and D65 light source. |
STORAGE: |
Under conditions that are cool, dry, covered, away from direct sunlight and free of airborne contaminates, UNJ pigments have an indefinite shelf life. |
TOXICITY: |
Tests conducted through independent laboratories have found UNJ-Series Fluorescent Pigments to be "essentially non-toxic." MSDS is available upon request. Good industrial hygiene and handling methods are essential in the use of all products whether or not they are determined to be hazardous. |
NOTE: |
Items marked with * are standard QC items taken on batch bases. |