Cardolite has introduced a comprehensive line of cashew nutshell liquid (CNSL) based polyols for adhesives, coatings, foam and elastomer applications. Polyols derived from CNSL have unique qualities compared to widely known polyester and polyether polyols and other natural based polyols.
Hydrophobicity is one key advantage provided by the long aliphatic side chain present in CNSL. This reduces moisture sensitivity during cure with isocyanate and results in outstanding water resistance for increased durability of the final polyurethane product. Different from other renewable polyols obtained from soya and castor oil, CNSL based polyols have an aromatic structure that translates into excellent chemical and thermal resistance.
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