... is 200 # petroleum benzin, this merit is especially obvious.DB- 2,003 has displayed the best temperature stability, for example air ... the aromatic hydrocarbon solvent in the paint like neoprene uses DB - 2,003, the optimum temperature scope is slightly low, is ... applicable scope.Correct pre- gelatin preparation method as follows: Weight DB - 2,003 and three weights xylene (or other fragrant solvents) ...