Tannin Stain Blockers

180 Zirconium acetate

Pretreatment to lock the tannins in-situ.
pH
2.5 - 4
Specific Gravity
1.25 - 1.35
Percent VOC
0%

185 Ammonium Zirconium Carbonate

Effectively blocks tannins in stains and pigmented coatings, especially white paints.
pH
9.0 - 10.5
Specific Gravity
1.27 - 1.35
Percent VOC
0%

186 Potassium Zirconium Carbonate

Similar to 185, but without ammonia odor and zinc oxide
pH
10.5 - 12
Specific Gravity
1.5 - 1.6
Percent VOC
0%

187 Ammonium Zirconium Carbonate

Zinc Oxide Free Version of 185.
pH
9.1 - 10.2
Specific Gravity
2.9
Percent VOC
0%

208 Zinc Strontium Calcium Phosphosilicate

Pigment grade tannin blocker; offers corrosion protection as well.
pH
7.5 - 9.5
Specific Gravity
2.9
Oil Absorption
22 - 30
Water Based Acrylic
PVA Copolymer
PVA Homopolymer
Alkyd Emulsions
Acrylic Dispersions
Alkyds**
Pre-Treatment
S180
    
Zirconium Based
S185
    
Zinc Based
S186
    
Potassium based
S187
    
Zirconium Based
S208
    
Zinc, Strontium, Calcium Phosphosilicate
** Active Metals may accelerate dry time.
Primary Recommendation
Secondary Recommendation
Insufficient Data
NR
Not Recommended