| 摘要 |
PURPOSE:To prevent bladder surface from deteriorating by containing sodium sulfite and/or potasium sulfite at a specified rate. CONSTITUTION:Sodium sulfite and/or potasium sulfite of 0.01-15wt% in total are/is added to water internal paint comprising liquid component, solid lubricant component, dispersant, emulsifier, thickener and water. Since this prevents sulfur from dispersing to the bladder, the bladder can restore its heat-resisting properties and elongate its life remarkably.
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