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Industrial Products - Corrosion Inhibitors

Corrosion Inhibitors

Corrosion Inhibitors for metals

Corrosion is a very common problems that have economic implications costing billions of dollars each year. The use of corrosion inhibitors are an effective way to reduce metal corrosion. The inhibitors act by adsorbing onto the metal surface, thus providing an barrier to the corrosive environment. The advantages of organic corrosion inhibitors include:

  • Presence of film prevents uniform corrosion attack
  • Organic inhibitors increase the activation energy on the metal surface (passivation)
  • Organic inhibitors have been shown to eliminate corrosion over wide range of pH values
  • Inhibitors adsorb and form a thin polymeric layer

Corrosion rate in a conductive DI water solution (Å/min)

Corrosion rate with an organic inhibitor in a conductive DI water solution (Å/min)

Corrosion Rate Reduction

Fe

7.35

0.552

92%

Mn

124

3.5

97%

Co

4.42

0.17

96%

Cu

1.76

0.015

99%

Ni

1.33

0.02

99%

These corrosion inhibitors have also been shown to be very effective over a wide range of pH conditions.

Element

Organic Corrosion Inhibitor Concentration

Iron

1-5%

Nickel

1-5%

Cobalt

2-10%

Copper

1-5%

Manganese

5-10%




Anticorrosion Products

Corrosion Inhibitors -for addition into cutting fluids, lapping lubricants, IPA rinse solutions and cleaning solutions.

  • PCC-5500 PG cutting & lapping lube additive
  • PCC-7500 IPA additive for cleaning and rinse solutions


Applications

The protective organic coating only requires several monolayers on the surface. The coating can be applied by dipping or spraying.

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