The VpCI®(Vapour Phase Corrosion Inhibitor) prevents corrosion in metalworking and hydraulic fluids that protect metal pieces from flash corrosion during the metalworking process, while also providing protection to the cutting and machining equipment.

ProductProduct DescriptionBenefitsApplication
M-95M-95 is a water soluble corrosion inhibitor.
Versatile water soluble additive for various multi-metal systems requiring vapor phase and contact protection.  Causes little to no foam.Protects Carbon Steel, Stainless, Galvanised, Aluminium, Brass, Copper, Bronze.
M-235M-235 is a yellow metal corrosion inhibitor.Prevents corrosion of yellow metals. Can be added to functional fluids such as hydraulic fluids, specialty lubricants, automotive coolants, and metalworking fluids.Protects Brass, Copper, Bronze.
M-236M-236 is a oils and solvent-based corrosion inhibitor.Liquid corrosion inhibitor especially designed for oils and solvent-based products in contact with yellow metals.Protects Carbon Steel, Stainless, Galvanised, Aluminium, Brass, Copper, Bronze.
M-241M-241 is an aluminum corrosion inhibitor.Corrosion inhibitor for aluminum. Add to metalworking fluids and water-based coolants.Protects Carbon Steel, Aluminium, Brass, Bronze.
M-250M-250 is an emulsifying corrosion inhibitor. Anti-corrosion additive with emulsification properties for soluble oils.Protects Carbon Steel, Stainless, Galvanised, Aluminium, Brass, Copper, Bronze.
M-251M-251 is a multi-metal corrosion inhibitor.Adds multi-metal contact and vapor phase corrosion protection to synthetic cutting fluids and water-based hydraulic fluids.Protects Carbon Steel, Stainless, Galvanised, Aluminium, Brass, Copper, Bronze.
M-320M-320 is a gearbox corrosion inhibitor.Provides vapor and contact protection to oil systems such as gearboxes. Recommended during layup.Protects Carbon Steel, Stainless, Galvanised, Aluminium, Brass, Copper, Bronze.
M-370M-370 is a flash corrosion corrosion inhibitor.Multi-metal corrosion preventive additive for water-based metalworking fluids. Prevents flash corrosion on metal surfaces and forms a hydrophobic film that is virtually undetectable when dry. Also available in A (aluminum), NS (non-surfactant), HS (high surfactant), and C (additional protection for cast parts and roughs surfaces) versions.Protects Carbon Steel, Stainless, Galvanised, Aluminium, Brass, Copper, Bronze.
M-415M-415 is a vapor phase corrosion inhibitor.Strong vapor phase corrosion inhibitor additive for sealers, adhesives, and more.  Contains FDA and USDA approved ingredients.Protects Carbon Steel, Stainless, Galvanised.
M-528M-528 is a subsea system corrosion inhibitor.Additive to hydraulic fluids for corrosion protection in subsea systems. Also for synthetic coolants and cutting fluids. M-528 L includes lubricant.Protects Carbon Steel, Stainless, Galvanised, Aluminium, Brass, Copper, Bronze.
This is a snapshot of the products that we have available, please contact your A S Harrison & Co representative for a discussion on the products appropriate for your applications.
Product Name*Carbon
**Solubility**Degree of Protection**Typical Applications**Typical Dosage
M-95XXXXXXXLiquidVapor Phase & ContactWater & GlycolsFlash & Long TermMetalworking0.25-2.5% by weight
M-235    XXXPowderVapor PhaseWater & GlycolsFlash & Long TermMetalworking0.5-1.5% by weight
M-236XXXXXXXLiquidVapor Phase & ContactOil/Solvent Flash & Long TermMetalworking0.25-10% by weight
M-241XXPowderContactWaterFlashMetalworking0.5-1.5% by weight
M-250XXX X XLiquidContactSoluble OilsFlashMetalworking0.5-1% by volume
M-251XXXXXXXLiquidContactSynthetic FluidsFlashMetalworking0.5-1% by volume
M-320XXXXXXXLiquidVapor Phase & ContactOil/SolventFlash & Long TermMetalworking1-5% by weight
M-370XXXXXXXLiquidContactWater & GlycolsFlash & Long TermMetalworking0.1-5% by volume
M-528XXXXXXXLiquidVapor Phase & Contact Water/PAGFlash & Long TermMetalworking1-5% by weight
M-415XXXLiquidVapor Phase & ContactOil/SolventFlash & Long TermMetalworking0.5-4% by weight
*Metals Protected. **Attributes


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