Hydro Testing Additives for Corrosion Control

For assistance with your hydro testing additives and corrosion control for water systems and lay up by email, click on VCI Selection Help below:

  | VCI Selection Help | About VPI Powder | Buy Water Treatment | Water Treatment Store |


Fresh Water Hydrotesting Additives Typical Uses

ProductApplication RateMetals Protected Term of Corrosion Protection
Vappro-848 0.30 % by WeightMulti-metal Corrosion Protection up to two weeks
Vappro-848 1.0 % to 2.0 % by WeightNon Ferrous & Ferrous Metals6 Months to 18 Months
Vappro-748 500-1000 ppm Ferrous Metals in Corrosive Solutions of up to 500 PPM of Chlorides   Long Term
Nox-Rust 12001:10 dilution with water Ferrous, aluminum, galvanized steelup to 6 months
VCI-1 Powder0.25% to 0.5% by weight Ferrous, aluminum, galvanized steel and stainless steelone to 5 months
VCI-1 Powder  1.0 % to 2.0 %Ferrous, aluminum, galvanized steel 6 months to 24 months +
Vappro-841 0.5 to 0.75 %Ferrous and Non-Ferrous 30 days to 6 months
VCI-10100.25 % to 2.0 % Ferrous, aluminum, galvanized steel in the presence of non-ferrous metals2 Weeks to 12 months + 

Hydrotesting Additives For Brines

(TDS below 0.5%, Cl- concentration <0.1%)

ProductApplication RateMetals Protected Term of Corrosion Protection
VCI-1 Powder 1.0 % to 2.0 %Ferrous, aluminum, galvanized steel6 Months to 12 Months
VCI-1 Powder 2.0 % to 3.0%Ferrous, aluminum, galvanized steel 12 Months to 2 years
 VCI-1010 2.0 % to 3.0 %Ferrous, aluminum, galvanized steel in the presence of non-ferrous metals6 Months to 2 Years
Vappro-748 500 -1000 PPMFerrous metals in solutions containing up to 500 PPM Chloride Long Term
Vappro-8480.5 % by Weight Multi-metal Up to 30 days
Vappro-8481 % Multi-metal Up to 6 Months
Vappro-848 2%Multi-metal 12 Months +

Salt Water Hydrotesting Additives

ProductApplication RateMetals Protected Term of Corrosion Protection
Vappro-748 6500 + PPMFerrous metals in solutions containing up to 500 PPM Chloride Long Term
VCI-11 - 2 % by weightFerrous & aluminumup to one week
VCI-12.0% by weightFerrous & aluminumone month +
Vappro-848 Vappro-8412 -3 % by weightMulti-metal6 - 12 months

Hydrotesting Product Concentrations for Cast Iron

VCI-1 Powder

Buy VCI-1

1 - 3% by weight 1 to 3 % in water Also good for submerged metals
VCI-1200
Buy VCI-1200 Liquid
1:5 dilution in H2O 1 part VCI-1200 with 5 parts waterAlso good for submerged metals
 Vappro-848 Vappro-841 Buy 2% - 3%Dissolve in waterVCI-1 Powder is Recommended for Cast Iron

**Please note: VCI-1 Powder solutions can be reused in all cases, provided the concentration level of each is adequate before reuse of the solution.

For Preservation in excess of 12 months it is recommended to follow hydro testing with an additional method of corrosion protection such as applying corrosion inhibitor powder by dry fogging or additional methods of corrosion control.

| Boiler Water Treatment  | Lay Up of Cooling Towers | Water Additives for Corrosion Control |


| VCI SELECTION HELP | Free evaluation of your corrosion control requirements | Selection Guide | VCI Additives Oil | Chemical Descriptions | Coatings | Cleaning / Degreasing | VCI Plastic | Polymer MB | Industrial Quick List | Daubert VCI Emitters | Electrical | Hydrotesting | Lay Up & Storage | Military Specs | Mothballing | Catalogs Index | VCI Packaging | Tower Layup | VCI Degreaser | Water Treatment | Corrosion Protection Slide Shows | Safe Rust Remover | Steel Coil Protection | Quotations | Biodegradable Products | Antistatic | Corrosion Control Canada | Mobile Site | Terms |