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GENERAL PRODUCT DESCRIPTION
CAPA® 3031 is a very low molecular weight trifunctional caprolactone polyol, liquid at room temperature, in which all of the hydroxyl groups are primary. It has a molecular weight of 300 and a typical OH value of 560 mg KOH/g.
The product is designed for use in surface coatings, as the main polyol in very hard polyurethanes, and as a chain extender in polyurethane elastomers.
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TYPICAL PROPERTIES
| Physical Form |
Clear, viscous liquid
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| Mean Molecular Weight |
300
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| Melting Point |
0°C-10°C
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| Hydroxyl Value |
560 mg KOH/g
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| Acid Value |
<1 mg KOH/g
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Water Content
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<0.02%
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Viscosity at 60°C
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170 mPa.s
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DENSITIES
The typical specific gravity (SG) of the material, measured at 55°C c.f. water at 20°C, is 1.084.
SOLUBILITY PARAMETERS
The solubility parameter (δ) is 9.34 – 9.43 (cal/cm3)½.
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