Description
Sher-Cryl™ HPA is an ambient cured, one component acrylic coating with excellent performance properties.
Material Use:
Sher-Cryl™ HPA is a high-performance, one-component, water-based acrylic coating designed for both interior and exterior applications. It is ambient-cured and offers excellent chemical resistance, corrosion protection, and humidity resistance. This product is ideal for use in commercial, industrial, and institutional environments, including USDA-inspected facilities. It is suitable for application on a wide range of substrates including steel, galvanized and aluminum surfaces, concrete, masonry, wood, and previously painted surfaces.
System Components:
Sher-Cryl HPA is typically used as a topcoat in a multi-layer coating system. Depending on the substrate, it is paired with specific primers and fillers to ensure optimal adhesion and performance. The system generally includes:
- Primer/Base Coat: Varies by substrate (see below)
- Topcoat: 2 coats of Sher-Cryl HPA (Gloss or Semi-Gloss)
Applications:
Sher-Cryl HPA is recommended for:
- Structural steel, piping, and storage tanks
- Equipment and machinery
- Warehouses and manufacturing facilities
- Concrete and masonry walls
- Wood and drywall surfaces
- Pre-finished siding and previously painted surfaces
Application Details:
- Application Methods: Airless spray, conventional spray, brush, or roller
- Recommended Wet Film Thickness (WFT): 6.0–10.0 mils
- Recommended Dry Film Thickness (DFT): 2.0–3.3 mils per coat
- Coverage: 160–264 sq. ft. per gallon per coat (based on WFT); theoretical coverage is 529 sq. ft. per gallon at 1 mil DFT
- Pot Life: Not applicable (single-component product)
- Dry Time @ 77°F / 50% RH / 7.0 mils WFT:
- To touch: 30 minutes
- To handle: 5 hours
- To recoat: 5 hours
- Full cure: 30 days
- Temperature Range for Application: Minimum 50°F (10°C), Maximum 120°F (49°C); must be at least 5°F above dew point
- Relative Humidity Limit: Maximum 85%
- UV Resistance: UV stable after cure
- Reducer: Water; R8K10 WB Hot Weather Reducer (up to 10%)
- Clean-up: Soap and warm water
Compatible Primers and Substrate Systems:
- Steel:
- 1 coat of Pro Industrial Pro-Cryl Primer, DTM Primer/Finish, Kem Bond HS, or Zinc Clad XI
- 2 coats of Sher-Cryl HPA
- Aluminum:
- 1 coat of Pro Industrial Pro-Cryl Primer
- 2 coats of Sher-Cryl HPA
- Galvanized Steel:
- 2 coats of Sher-Cryl HPA (test patch recommended if chromates/silicates are present)
- Concrete Block (CMU):
- 1 coat of Pro Industrial Heavy Duty Block Filler or Loxon Acrylic Block Surfacer
- 2 coats of Sher-Cryl HPA
- Concrete/Masonry:
- 1 coat of Loxon Concrete & Masonry Primer or Loxon Conditioner
- 2 coats of Sher-Cryl HPA
- Drywall:
- 1 coat of ProMar 200 Zero VOC Primer
- 2 coats of Sher-Cryl HPA
- Wood (Exterior):
- 1 coat of Exterior Wood Primer
- 2 coats of Sher-Cryl HPA
- Wood (Interior):
- 1 coat of Premium Wall & Wood Primer
- 2 coats of Sher-Cryl HPA
- Pre-Finished Siding (Baked-on Finishes):
- 1 coat of DTM Bonding Primer
- 2 coats of Sher-Cryl HPA
- Previously Painted Surfaces:
- 2 coats of Sher-Cryl HPA (test patch recommended for adhesion)
Special Notes:
- Application below 50°F or above 95°F may result in poor adhesion or dry spray.
- During the first 16–24 hours of curing, the coating is sensitive to moisture, dew, and high humidity. Avoid exposure during this period.
- Brush or roller application may require multiple coats to achieve uniform appearance and film build.
- Surface preparation is critical for performance. Follow SSPC standards for cleaning and preparation.
- Not compliant with SCAQMD and LEED v4 emissions standards.
- Shelf life is 36 months in unopened containers.
- VOC content is 239 g/L (1.99 lbs/gal), compliant with most regional regulations except SCAQMD.
Sher-Cryl HPA is a versatile, durable, and easy-to-apply acrylic coating system that provides excellent protection and aesthetic finish for a wide range of substrates in both new construction and maintenance environments.
https://www.sherwin-williams.com/painting-contractors/products/pro-industrial-shercryl-hpa
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