Non-disintegrating cleaning agent for hydraulic power assisted steering system

The invention relates to a non-disintegrating cleaning agent for a hydraulic power assisted steering system. The non-disintegrating cleaning agent is prepared from the following components in parts by weight: 16-92 parts of poly-alpha olefin (PAO) basic oil, 2-16.8 parts of OCP (Olefin Copolymer), 4.2-35 parts of diene succinimide, 0.1-9.8 parts of polycyclic tert-butyl phenol, 0.7-37.8 parts of phosphosulfurized polyisobutylene barium salt, 7.1-22.9 parts of dialkyl dithiophosphate calcium salt and 0.2-4.8 parts of dimethyl silicone oil. By adopting the non-disintegrating cleaning agent for the hydraulic power assisted steering system, rapid cleaning of the hydraulic power assisted steering system is realized, cleaning can be finished within 15-30 minutes, oily sludge colloids formed within 40,000 kilometers can be cleaned at a time, the oil sludge colloids can be decomposed, suspended and filtered during cleaning, and rubber parts and plastic parts are protected from being corroded; the non-disintegrating c