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RHOPLEX™ PR-33 Acrylic Emulsion

An aqueous, all-acrylic, binder designed for exterior and interior primers and stain blocking sealers. This binder uses ambient crosslinking technology to offer improved primer performance versus conventional latex polymers. The combination of an all-acrylic backbone and ambient cure crosslinking technology contribute to the excellent balance of properties found with the product. These include excellent cracking resistance and adhesion across various substrates including wood, vinyl, alkyd, concrete, masonry, and chalky paints. Enhanced adhesion and excellent durability are additional attributes of this technology. The product is a versatile vehicle that can be used in the formulation of primers to upgrade difficult substrates into sound repaint surfaces.


  • Water-based exterior and interior primers and sealers
  • Solid color stain applications
  • Paint-and-primer


  • Low ammonia and odor
  • Formaldehyde-free and low VOC
  • Excellent stain-blocking
  • Good adhesion to weathered wood and typical repaint substrates
  • Excellent holdout of topcoats
  • 100% acrylic
  • Alkali resistance
  • Excellent flash rust and nail head rust resistance


These values are typical properties and are not intended for use in preparing specifications.

  • % Solids 43 %
  • Chemistry 100% Acrylic
  • Coalescent Demand 4 %
  • ECO Benefits Low VOC Capable
  • Exterior Paint: Alkyd Adhesion Best
  • Exterior Paint: Cracking Resistance Better
  • Exterior Paint: Dirt Pick-Up Resistance Good
  • Exterior Paint: Efflorescence Resistance Good
  • Exterior Paint: Light Duty Corrosion Resistance Good
  • MFFT-Minimum Film Formation Temp 8 °C
  • Primer: Alkyd Adhesion Best
  • Primer: Efflorescence Resistance Good
  • Primer: Light Duty Corrosion Resistance Good
  • Primer: Metal Adhesion Better
  • Primer: Sandability Best
  • Primer: Stain Blocking Better
  • Stain: Adhesion to Wood Better
  • Stain: Cracking Resistance Better
  • Stain: Dirt Pick Up Resistance Good
  • Stain: Durability Best
  • Stain: Erosion Failure Good
  • Stain: Lapping Resistance Good
  • Stain: Tannin Blocking (ZnO required) Better
  • Use Solid Color / Pigmented Stain, Interior, Exterior, Primer
  • VOC Capable (g/L) < 50

No Safety Data Sheets are available online for this material
Please Contact Dow for additional information.

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RHOPLEX™ PR-33 Acrylic Emulsion
No Technical Data Sheets are available for this product
Please Contact Dow for additional information.

RHOPLEX™ PR-33 Acrylic Emulsion

No Regulatory Data Sheets are available for this product

RHOPLEX™ PR-33 Acrylic Emulsion
Please Contact Dow for distribution options available for this product.