Invista Sales And Service India Pvt. Ltd. Offers Colorless Dibasic Ester - DBE. Invista Sales And Service India Pvt. Ltd. Supplies polymers and fibers, primarily for nylon, spandex and polyester applications. Colorless Dibasic Ester - DBE is a mixture of the refined dimethyl esters of adipic, glutaric and succinic acids. Colorless Dibasic Ester - DBE is a clear, colorless liquid produced from dibasic acids. It is manufactured at five adipic acid plants.