Industrial Surfactants Polyoxyethylene Polyoxypropylene Block Copolymer Emulsifier Polyoxypropylene Polyoxyethylene Ether Block Copolymer as a emulsifier is a nonionic surface-active agent used as a general purpose of industrial cleaner, metal surface cleaner, emulsifier and dispersing agent Quality Specification Product Appearance 20~30℃ Hydroxyl value Mg KOH/g Cloud point ℃ PH Moisture % L-61 Light yellow viscous liquid 53~63 22-28 5.0-7.0 ≤0.5 L-62 Light yellow viscous liquid 46~56…