Product Name: Polyamide Resin (Alcohol-Soluble for Printing Ink)
CAS No: 63428-84-2
Synonyms: Dimer acid-based polyamide resin, PA resin, alcohol soluble polyamide resin
Appearance: Light-yellow / light amber granular / flaky solid
Chemical-Physical Properties
Appearance Light-yellow granular or crushed solidSoftening Point (Ring & Ball) 100‑120 ℃
Viscosity (50% in ethanol, 25℃) 60‑150 mPa·s
Acid Value ≤5 mgKOH/g
Amine Value ≤5 mgKOH/g
Color (Fe‑Co) ≤7 #
Freezing Point 0‑3 ℃
Solubility Soluble in ethanol, isopropanol, alcohol-ester mixed solvents; incompatible with waterSpecification
Type |
DT501 |
DT501H |
DT508 |
DT588 |
DT556 |
Viscosity (mPa.s/25℃)) |
100~150 |
150~230 |
120~180 |
100~170 |
30~70 |
Softening point (℃) |
110~130 |
110~120 |
140~200 |
100~120 |
85~95 |
Freezing point (℃) |
< 7 |
< 7 |
/ |
0 ~ -8 |
0 ~ 3 |
Color (#) |
7 max |
7 max |
7 max |
7 max |
10 max |
Acid Value (mg KOH/g) |
5 max |
5 max |
5 max |
6 max |
15 max |
Amine Value (mg KOH/g) |
5 max |
5 max |
5 max |
6 max |
3 max |
High temperature resistance (℃) |
/ |
/ |
100~150 |
/ |
/ |
Note: Multiple grades available: low‑viscosity, high‑softening‑point, low‑temperature‑resistant type for different ink requirements.
Application
Main binder for gravure & flexographic printing inks for plastic films: BOPP, PE, PET, composite packaging film
Mix with nitrocellulose to improve gloss, adhesion, pigment wetting, low‑temperature resistance and anti‑gelling property
Over‑print varnish, heat‑seal coating, paper‑plastic composite ink, food packaging printing ink
Packing, Transportation & Storage
Packing: 25 kg craft paper bag with inner PE linerStorage: Store in cool, dry, ventilated warehouse. Keep away from heat and direct sunlight, seal after opening.
Shelf‑life: 12 months under original sealed condition.
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