Dimer Acid based PolyesterTL Series

Image of Dimer Acid based Polyester "TL Series"

They are naturally-derived dimer acid based polyester.They can generate urethane resins which have good water repellency and flexible properties by combining with various isocyanate.

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There are polyester polyol generated from naturally-derived dimer acid.
Owing to dimer acid's hydrophobicity and flexible properties,we can gain urethane resins with water resistance, water repellency, hydrolysis resistance,and flexible characteristics.


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Elastomer, foam, systhetic leather, paint, adhesives, etc.


Item Unit TL
2456 2457 2458 2470
Hydroxyl value KOHmg/g 120~130 174~194 70~75 78~82
Acid KOHmg/g <1
Viscosity mPa·s/40ºC 2,500~4,000 4,500~7,000 5,800~7,500 4,000~7,500
Color Gardner color scale <12 <10
Moisture % <0.1 <0.05
Mn Number-average 2,000 1,600 2,500 2,300