The dibasic esters (DBE) are mixtures of methyl esters of adipic, glutaric, and succinic acid.
Dibasic ester(DBE) may be used at 100 percent strength or mixed with other chemicals. One additive is NMP (n-methyl pyrollidone). DBE can be fractionated into other mixtures and pure components to meet market demands.
Dibasic ester(DBE) is commonly used as a paint stripper. It has been used to clean paint guns and lines. DBE-2 and DBE-3 are the solvents of choice.
Dibasic ester(DBE) is used as the active component in paint-removing hand cleaners. DBE and DBE-2 are most often used.
Dibasic ester(DBE) is used, usually in blends with other solvents, as a replacement for glycol ethers.
Dibasic ester(DBE) has a low vapor pressure (0.1 torr or less), so air emissions are likely to be low.
Dibasic ester(DBE) has low cost and excellent solvency. It dissolves many resins and solubilizes many polar soils.
Dibasic ester(DBE) may be biodegradable and can be recycled using a vacuum still.
Dibasic ester(DBE) is stable at normal temperature, humidity, and pH.
Dibasic ester(DBE) can be purchased in both nonaqueous and water-based strippers.
DuPont recommends blends of 70% to 80% DBE and 30% to 20% NMP as more effective than either solvent alone. It is also economical because the DBE is cheaper to use than NMP.
Dibasic ester(DBE) is a recommended replacement for methylene chloride. If the OSHA-proposed reduction in the threshold limit value (TLV) for methylene chloride from 50 to 25 ppm occurs, the market for DBEs will grow.
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