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Royal Purple Maxfilm is a high film strength, multipurpose, synthetic lubricant/penetrant that excels in a wide array of applications. Maxfilm deeply penetrates, cleans and loosens rusted parts. Once applied, it's solvent carrier evaporates and leaves a tenacious, thixotrophic lubricating film on all metal surfaces, providing long-lasting protection against wear, rust, and corrosion. Maxfilm contains Royal Purple’s proprietary Synerlec additive technology, which is proven to make equipment run smoother, cooler, quieter, longer and more efficiently. It has a CO2 propellant.


  • Loosening stuck parts such as nuts, bolts, locks, hinges, etc.
  • Lubrication of power tools, hinges, chains, rollers, open gears, fishing tackle, lawn equipment, etc.
  • Preserving and protecting parts in storage, disassembled machinery parts, wire ropes, etc., against rust and corrosion
  • Use as a manual cutting fluid to facilitate the ease of hand drilling, tapping, metal cutting, etc., of steel and aluminum


For best results shake well before each use and use the can in an upright position to maximize aerosol propellant life.   This product is also available from Royal Purple Industrial. Contact for pricing.  
I won a can of Royal Purple Maxfilm from SUBIESPORT magazine… the stuff ROCKS! Best penetrating lube I have ever used, no doubt. …The nuts came off like butter.Anonymous Reader Subiesport magazine

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  • 5
    Maxifilm worked when all else failed

    Posted by Eric on 10th Mar 2022

    This loosened a hard to latch door on my 1982 Van. Nothing I have tried worked untill I put a small amount of this on the latch mechanisms, strike and slide parts. This worled on the drivers door and the slider. Fixed it immediately

  • 5
    Royal Purple Maxfilm

    Posted by Ken Karelius on 26th Jul 2021

    I have been recommended to this product by a gunsmith! It is as he recommended an excellent product! Been having a problem feeding from my clip fed magazine, cleaned the clip and applied Maxflim, no more feeding problems! I highly recomend this product!