Description
Product Description: WÜRTH Rost-Off Plus (Rust Off Plus) Penetrating OilWÜRTH Rost-Off Plus is a premium-grade, high-performance rust remover, penetrant, and lubricant. Engineered for professional automotive, industrial, and mechanical maintenance, it is specifically formulated to quickly free severely seized, corroded, or rusted metal components.What sets it apart from standard penetrating oils is its advanced creeping ability and the addition of liquid molybdenum disulfide ($MoS_2$) organometallic compounds. These microscopic additives provide extreme pressure lubrication, reducing friction between mating threads to ensure parts can be unscrewed or disassembled smoothly without shearing or snapping.Key Technical SpecificationsBrand: WÜRTHProduct Name: Rost-Off Plus (Rust-Off Plus)Container Type: Aerosol spray can (commonly available in 150ml, 300ml, and 400ml sizes)Chemical Base: Mineral oil infused with organometallic molybdenum additives ($MoS_2$)Temperature Range: Remains highly effective across extreme thermal conditions (tested down to -10°C)Core Functions: High-speed capillary penetration, intensive corrosion dissolution, water displacement, and long-term surface preservation.Compatible Components, Machinery & Use CasesWÜRTH Rost-Off Plus is a universal mechanical aid. It is chemically safe for use on steel, iron, aluminum, brass, and copper, and it does not degrade standard workshop plastics, paints, or rubber seals.Compatible Mechanical ComponentsThreaded Fasteners: Stubbornly rusted bolts, nuts, studs, set-screws, and threaded rods.Suspension & Steering Gear: Seized ball joints, tie-rod ends, control arm bolts, and leaf spring shackles.Exhaust Systems: Flange bolts, manifold studs, and oxygen sensors subjected to repetitive high-heat cycling and road salt.Brake Assemblies: Corroded slider pins, bleeder valves, and backing plate linkages.Linkages & Pivots: Throttle cables, door hinges, hood latches, lock cylinders, and wiper linkages.Compatible Environments & IndustriesThis penetrant is the go-to choice for field service technicians working across various machinery platforms:Automotive Repair Workshops: Used daily on passenger cars, commercial trucks, motorcycles, and off-road vehicles.Heavy Machinery & Construction: Essential for servicing excavators, cranes, tractors, and agricultural implements exposed to outdoor mud and moisture.Marine Maintenance: Dislodges salt-crusted components on boat trailers, outboard motor brackets, inboard engine blocks, and deck hardware.Industrial Plant Maintenance: Applied to factory conveyor lines, pumps, valves, and structural pipe flanges to ensure smooth plant overhauls.💡 Application Tip: Spray the seized part generously and allow the fluid to “creep” into the threads for a few minutes. For extremely stubborn or heavily encrusted rust, tapping the metal joint lightly with a wrench or hammer after spraying will create micro-fractures in the rust crust, allowing the $MoS_2$ formula to penetrate significantly faster.
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