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DBE (Dibasic Esters)—a high-boiling-point solvent mixture—is a blend of dibasic acid esters, also referred to as divalent acid esters or dicarboxylic acid esters. It is an eco-friendly, high-boiling-point solvent characterized by low toxicity, low odor, and biodegradability (serving as a universal solvent for coatings); it is currently widely utilized in the paint, coatings, and ink industries, as well as in various other fields.

(1) Wood Coatings: DBE features a broad distillation range and a wide buffer zone, offering greater flexibility and choice regarding solvent formulations and application conditions. Furthermore, DBE’s high boiling point helps regulate the evaporation rate, improves leveling, and prevents defects such as blushing and pinholes.
(2) Baking Enamels: DBE possesses unique evaporation characteristics; as the temperature rises, its evaporation rate increases more rapidly than that of other solvents. Specifically, DBE evaporates slowly during the initial phase of the process but accelerates during the latter phase. This facilitates a more favorable curing process, resulting in a flatter evaporation curve and more uniform solvent release, which helps improve leveling and gloss while eliminating surface defects.
(3) Ink Industry: Certain ink formulations require high-boiling-point solvents; however, some such solvents suffer from high toxicity and strong odors. DBE serves as an effective substitute that remedies these shortcomings.
(4) Resin Industry: DBE is characterized by its low viscosity. This property allows for two key benefits: first, it can reduce resin viscosity without the need to lower molecular weight or solid content; and second, it enables an increase in solid content while maintaining a constant viscosity. By leveraging this characteristic of DBE, it is possible to produce resins with both high solid content and low viscosity.
(5) Cleaning Agents and Paint Strippers: Due to its strong solvency, DBE effectively removes grease and dissolves paint films. Moreover, it is recyclable and regenerable—making it environmentally friendly—and is therefore widely utilized in the formulation of cleaning agents and paint strippers.
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Product Name
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Dibasic Ester; DBE
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CAS No.
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95481-62-2
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MF
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C21H36O12
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Appearance
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Colorless transparent liquid
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Ester content
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≥99.0%
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Dimethyl succinate
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15~25%
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Dimethyl glutarate
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50~65%
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Dimethyl adipate
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10~25%
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Moisture
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≤0.1%
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Density(20°c g/ml)
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1.085~1.093
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Acid value, mgkoh/g
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≤0.2
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Color(apha)
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≤15
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Distillation range,°c
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196~235
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Package:1kg、200Kg

