| 摘要 |
A composition for finishing, preserving and cleaning lithographic printing plates which is composed of a polyol having a molecular weight in the range of from about 50 to about 3,000; a starch or dextrin hydrophilic film former; an alkyl benzene sulfonate amine salt; a composition of hydrocarbons containing less than about 10% aromatics and having a boiling point in the range of 175.degree.F to 500.degree.F and a flash point of above 100.degree.F; a hydrogen, isooctyl, nonyl, decy or dodecyl substituted phenoxypoly(oxyethylene) ethanol surfactant having an HLB of 8 to 15; a C12 to C20 alcohol; mono-, di- or tri- ethanolamine; an organic or inorganic acid and water. The optional inclusion of a buffer salt and bacteriostat is preferred.
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