Stainban™ 208 – Calcium Strontium Zinc Phosphosilicate

Stainban™ 208 is a white, non-refractive pigment especially designed to inhibit the migration of the tannin stains in coatings on a wide variety of woods. The small particle size and narrow particle distribution allows the pigment to be easily incorporated into the coating using high speed dispersion. It is compatible with a wide variety of solvent and water based resins. It is recommended for use in primers or in self-priming applications where stain inhibition is needed. Typical use levels range from 5 – 9% total formula weight. 

Characteristic Test Method Typical Value
Appearance   White powder
Zinc as ZnO [%]   41 - 43
Phosphate as P₂O₅ [%]   14 - 16
Silicate as SiO₂ [%]   17 - 19
Calcium as CaO [%]   16 - 18
Strontium as SrO [%]   3 - 5
Specific Gravity ASTM
Bulking Value [gal/lb] [l/kg]  

[gal/lb] 0.041
[l/kg] 0.345

7.5 – 9.5
Moisture at 110°C [%] ASTM
7.0 Max
Oil Absorption [lbs/100 lbs] [kg/100kg] ASTM
22 - 30
Apparent Bulk Density, Tapped [g/100 cm³]   50 - 85
Fineness of Grind [Hegman Value] ASTM
6.0 Min.
Mean particle size [microns] Malvern

These are typical values and do not represent specifications.


Suggested Applications:
  • Acrylic latexes
  • Vinyl acrylic latexes
  • Styrenated acrylic latexes
  • PVA homopolymers
  • Solvent alkyds
  • Alkyd emulsions
  • Styrene butadiene (SBR)
  • Alkyds
  • Acrylic emulsions

Performance in other systems has not been fully evaluated.

The information made herein is based upon our research and the research of others, and is believed to be accurate. No guarantee of accuracy is made and the product discussed is sold without warrant, expressed or implied and upon the condition the purchaser shall make their own tests to determine the suitability of such product for their particular purposes.