Non-Chromate Inhibitor Pigments

205 Calcium exchange pigment

Shown to be a favorable candidate to replace chrome in several areas, particularly the coil coating industry.
OIL Absorption
<60
Specific Gravity
2.44
pH
7 - 9

211 Strontium Calcium Phosphosilicate

Zinc free strontium phosphosilicate which offers calcium for synergistic corrosion resistance.
OIL Absorption
16 - 31
Specific Gravity
2.98
pH
7.5 - 10

213 Calcium Phosphosilicate

Zinc free and offers calcium ion exchange corrosion protection.
OIL Absorption
38 - 52
Specific Gravity
2.7
pH
7.5 - 9.5

214 CALCIUM BOROSILICATE

Zinc free pigment for solvent based high solid DTM coatings and alkyd primers.
OIL Absorption
20-32
Specific Gravity
2.65
pH
9.0-10.5

222 Zinc phosphate

A standard pigment in the non-chrome arsenal. Has some free Zinc oxide for added benefit
OIL Absorption
17 - 30
Specific Gravity
3.25
pH
5.5 - 8

224 Calcium Zinc Phosphosilicate

Economical alternative to zinc phosphate with an added benefit of the calcium for ion exchange.
OIL Absorption
24 - 40
Specific Gravity
2.9
pH
7 - 9

226 Calcium Zinc Strontium phosphosilicate

Similar to the 229 with a calcium portion lending to some synergistic calcium exchange mechanism.
OIL Absorption
22 - 30
Specific Gravity
2.9
pH
6.5 - 8

228 Calcium Strontium Zinc Phosphosilicate

Corrosion Inhibitor and pigment grade tannin blocker.
OIL Absorption
22 - 30
Specific Gravity
2.9
pH
7.5 - 9.0

229 Zinc Strontium Phosphosilicate

The most flexible of the non-chrome pigments. Performs well in most coating types.
OIL Absorption
19 - 30
Specific Gravity
3.35
pH
7.5 - 9

240 Zinc Molybdate

Molybdate chemistry; has been used in wash primers as a replacement for Zinc Chromate.
OIL Absorption
19 - 32
Specific Gravity
5.1
pH
6 – 8
Ion Exchange (non zinc)
Solvent Systems
Short Oil Alkyds
Short Oil Alkyds
Long Oil Alkyds
2K Epoxy
High Solid Epoxy
PVA Homopolymer
Polyester
Solvent Systems
Coil
Powder
Aerospace
Etch
Caulk/Sealants
Water based Systems
Acrylics
Modified Acrylics
Alkyd Emulsion
W/R Alkyds
2K Epoxy
Epoxy Esters
Hybrids
Water Systems
Specialty Applications
Coil
Etch
Aerospace
Caulk/Sealants
205
    
Calcium ion exchange*
* Use of this pigment in oil alkyds may enhance through dry.
Inorganic Inhibitors (non zinc)
211
    
Strontium Phosphosilicate
Phosphate Inhibitors
222
    
Zinc Phosphate
Multi Component Phosphosilicate Inhibitors
224
    
Calcium Zinc Phosphosilicate
226
    
Calcium Zinc Strontium Phosphosilicate
228
    
Calcium Strontium Phosphosilicate
229
    
Zinc Strontium Phosphate
Molybdate
240
    
Zinc Molybdate
Primary Recommendation
Secondary Recommendation
Insufficient Data
NR
Not Recommended