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GENERAL PRODUCT DESCRIPTION
CAPA® 7201A is a low melting block co-polymer diol derived from caprolactone monomer and PTMEG, and is terminated by primary hydroxyl groups. It has a molecular weight of 2000 and a typical OH value of 56 mg KOH/g.
It was specially developed for use in the production of polyurethane elastomers having outstanding physical properties at low temperatures and good retention of properties at high temperatures. It is also used in the formulation of high performance microcellular foams.
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TYPICAL PROPERTIES
| Physical Form |
Soft wax
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| Mean Molecular Weight |
2000
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| Melting Point |
30°C-35°C
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| Hydroxyl Value |
56 mg KOH/g
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| Acid Value |
<0.05 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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315 mPa.s
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SOLUBILITY PARAMETERS
The solubility parameter (δ) is 9.34 – 9.43 (cal/cm3)½.
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