Description
Designed for both construction and maintenance applications, Pro Industrial™ Pro-Cryl® Universal Acrylic Primer is a rust-inhibitive primer to use under water-based or solvent-based high-performance topcoats.
Material Use:
Pro Industrial™ Pro-Cryl® Universal Primer is a high-performance, single-component, self-cross-linking acrylic primer designed for both new construction and maintenance applications. It is rust-inhibitive and corrosion-resistant, making it ideal for use on steel, galvanized metal, aluminum, and wood surfaces. This primer is suitable for both interior and exterior environments and is compatible with a wide range of water-based and solvent-based topcoats.
System Components:
This primer is typically used as the base coat in a multi-layer coating system. It must be topcoated for optimal performance, especially in exterior applications. Acceptable topcoats include:
- Water-Based Topcoats:
- Pro Industrial Acrylic Coating
- Pro Industrial Acrylic Dryfall
- Pro Industrial DTM Acrylic
- Pro Industrial Multi-Surface Acrylic
- Pro Industrial Pre-Catalyzed Epoxy
- Pro Industrial Pre-Catalyzed Urethane
- Pro Industrial Water Based Acrolon 100
- Pro Industrial Water Based Alkyd Urethane
- Pro Industrial Water Based Catalyzed Epoxy
- Sherwin-Williams Architectural Coatings
- Solvent-Based Topcoats:
- Pro Industrial High Performance Epoxy
- Pro Industrial Industrial Enamels
- Tile Clad HS Epoxy
Applications:
Pro-Cryl® Universal Primer is suitable for use on properly prepared steel, galvanized steel, aluminum, and wood substrates. It is ideal for commercial, industrial, and institutional environments, including USDA-inspected facilities. It can be used in both interior and exterior applications where corrosion resistance and adhesion are critical.
Application Details:
- Surface Preparation:
- Steel: Minimum SSPC-SP2 (Hand Tool Cleaning); for best results, SSPC-SP6 (Commercial Blast Cleaning)
- Aluminum: Clean per SSPC-SP1
- Galvanized Steel: Weather for 6 months or clean per SSPC-SP1; test patch recommended
- Wood: Clean, dry, and sound; spot prime knots and pitch streaks
- Previously Painted Surfaces: Clean and abrade glossy surfaces; test adhesion before full application
- Application Methods:
- Airless Spray: 2000 psi, 0.015–0.019" tip, 60 mesh filter
- Conventional Spray: Binks 95 gun, 66 fluid nozzle, 63PB air nozzle
- Brush: Nylon-polyester
- Roller: 3/8" woven cover
- Reducer: Water (up to 5% if needed)
- Film Thickness & Coverage:
- Wet Film Thickness: 5.0–10.0 mils
- Dry Film Thickness: 1.9–3.8 mils
- Coverage: 160–320 sq. ft. per gallon
- Theoretical Coverage: 609 sq. ft. per gallon @ 1 mil dry
- Drying Times @ 6.0 mils wet, 50% RH:
- 40°F: Touch – 2 hrs, Recoat – 16 hrs
- 77°F: Touch – 40 min, Recoat – 4 hrs
- 120°F: Touch – 20 min, Recoat – 2 hrs
- Full cure time is not explicitly stated but recoat times suggest readiness for topcoat within hours depending on temperature.
- Environmental Conditions:
- Application Temperature: 35°F (1.6°C) minimum, 120°F (48.8°C) maximum
- Relative Humidity: Maximum 85%
- Surface must be at least 5°F above dew point
- Do not apply immediately after rain or during foggy weather
Special Notes:
- This primer is not UV stable on its own and must be topcoated for exterior durability.
- For best results on rusty surfaces, apply the first coat by brush to ensure penetration and adhesion.
- For exterior applications, topcoat within 14 days to avoid surface contamination. If this window is exceeded, clean thoroughly before topcoating.
- Do not tint this primer.
- VOC content is less than 50 g/L, making it compliant with LEED® v4 & v4.1 and other environmental standards.
- Shelf life is 36 months unopened.
- Clean tools and equipment with soap and warm water immediately after use.
System Compatibility:
Pro Industrial™ Pro-Cryl® Universal Primer is designed to work as a base coat in a system with a wide range of Sherwin-Williams topcoats, both water-based and solvent-based. It is especially effective when paired with Pro Industrial Acrylic Coating or Pro Industrial High Performance Epoxy for high-durability applications. This makes it a versatile primer for use in systems requiring corrosion resistance, fast dry times, and broad environmental compliance.
https://www.sherwin-williams.com/painting-contractors/products/pro-industrial-procryl-universal-acrylic-primer
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