World leader in polycaprolactone

Technical datasheet

Capa® 2043

Supplied byIngevity- Last Updated on Jul 21, 2025

Capa® 2043 by Ingevity is a standard-grade, low molecular weight, linear polyester diol derived from caprolactone monomer and terminated by primary hydroxyl groups. It is easy to process at ordinary temperatures and can be used in surface coatings. Additionally, Capa® 2043 serves as a versatile resin intermediate.
CAS Number31831-53-5
Chemical Composition:Linear polyester diol derived from caprolactone monomer
ColorClear
AppearanceLiquid

Benefits

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Availability

Product Status:COMMERCIAL

Capa® 2043 properties

Other properties

PropertiesValue & unitTest conditionTest method
Acid Value< 0.25 mg KOH/gS11502M3A
Color, APHA< 50 S11502M33C
Hydroxyl Value265 - 295 mg KOH/gS11502 MW101N
Melting Point0 - 10 °C
Molecular Weight, Mw400
Solubility Parameter (d)9.34 - 9.43 (cal/cm3)1/2
Viscosity40 mPa-sAt 60°C
Water Content< 0.02 %S11502MW102

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