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C-1/58-59, G.I.D.C.
Vapi, Gujarat-396195, India+(91)-260-2970333
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Polytone Pa 351

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Technical Data POLYTONEPA 351

Chemical ClassificationPolymeric Fatty Acid Based Polyamide Resin
TypeSpirit Soluble Grade
Physical FormBroken Lumps
ColourBright light yellow
Softening Point (B & R)140° C – 150 ° C
Viscosity of 35% solution in 1:1 ratio
of Toluene:Butanol at 25º C byB 4
Ford Cup
Toluene at 30º C byB 4 Ford Cup
24 -45 mPas
Acid Value7 mg KOH/ g resin (Max)
Amine Value7 mg KOH/ g resin (Max)

POLYTONE PA 351 is an alcohol soluble non reactive polyamide resin in solid form suitable for flexographic printing inks. This resin exhibits good anti-blocking characteristics and finds use in specialized flexographic inks and release lacquers. Inks prepared from this resin have good adhesion to a variety of substrates, excellent solvent release properties, low odour and good nitrocellulose compatibility.
POLYTONE PA 351 shows excellent solubility in a variety of solvents that do not attack rubber stereos. Under certain conditions the solutions forms reversible gels on standing and to avoid this, it is recommended to add small percentage of water or higher alcohols or aromatic hydrocarbon solvent. POLYTONE PA 351 has infinite solubility in ethanol and higher alcohols. It is soluble in methanol at higher concentrations - 40% and above.
POLYTONE PA 351 is compatible with ketonic, maleic, nitro cellulose, reduced phenolic and pure phenolic resins. However, compatibility with alkyds is only partial.
Available in 25 Kg bags.
Shelf Life
Store under cool dry conditions. It is recommended that the material be used within 12 months from the date of manufacture.
The information contained herein is to the best of our knowledge, accurate and reliable. However, as use conditions are not within our control no guarantees are given or are to be inferred, nor is freedom from any patent to be inferred.


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