POLYONE ® PA Series Non Reactive Polyamide Resins are designed for providing premium performance. These are thermoplastic polyamide resins and formulated to exhibit good solvent compatibility, gel resistance, pigment wetting.
These are particularly soluble for formulating flexo and rotogravure printing inks providing adhesion, gloss and water resistance.
Technical Specifications
| PolytoneTM PA302 | PolytoneTM PA303 |
Colour | Bright light yellow | Bright light yellow |
Softening Point (B & R) | 105oC-110oC | 105oC-115oC |
Viscosity of 35% solution in 1:1 ratio of toluene: Butanol at 30oC | 60-85mPas | 80-120mPas |
Viscosity of 35% solution in 1:1 ratio of toluene: Butanol at 30oC | 20-28 sec | 25-35 sec |
Acid value | 7 mg KOH/g resin (max) | 7 mg KOH/g resin (max) |
Amine value | 7 mg KOH/g resin (max) | 7 mg KOH/g resin (max) |
Characteristics | Zero gelling at -5oC Resistance to greese and water Flexibility Excellent water and chemical resistance Good solvent release | |
Solubility | POLYTONE PA 302/303 is soluble In n-Butanol, n--Propanol, Cellosolve and mixtures of these with aromatic hydrocarbons e.g. Toluene and Xylene. This resin is partially soluble in iso-propanol and insoluble in ethanol , aliphatic and aromatic hydrocarbons. Under certain conditions the solutio forms reversible gels on standing. In order to achieve complete solubility in alcohol solutions , sometimes it is necessary to add small. |
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