DESCRIPTION
The crystal-clear, UV-stable topcoat that locks in your floor's finish — and lets you reopen the space the same day.
Polyflow-275 (EF-275) is a solvent-based, two-component, VOC-compliant, aliphatic polyaspartic polyurea coating developed as a UV-stable topcoat for jobs where installation downtime is limited. It's the thin, crystal-clear clear coat you apply over solid-color coatings and vinyl flake broadcast (chip) systems to seal in the look and protect everything underneath.
Because it's a true aliphatic polyaspartic, EF-275 won't yellow or chalk — it keeps a brilliant, glass-clear high-gloss finish indoors and out. It delivers superior abrasion, chemical, and UV resistance, with just 0.03 g of Taber abrasion loss to shield the color and flake beneath from foot and cart traffic. And it's fast: recoat in 2–4 hours, return foot traffic in 4–8, and vehicle traffic the next day.
Tough but flexible, EF-275 stretches 40% at break to resist cracking, pulls 5,150 psi tensile, and offers ~0.75 DCOF wet traction for slip resistance. At under 50 g/L VOC it's LEED v4 low-emitting and CFIA/USDA recognized for food-plant use. It's a finish coat — apply it over a prepared base system rather than directly on bare concrete — and it comes crystal clear (tinting is available, though pigmenting can reduce chemical resistance). Because the cure is quick, mix only what you can spread in 20–25 minutes.
Key Features & Benefits
- UV-Stable Clear Finish: Aliphatic polyaspartic chemistry resists yellowing and chalking for a crystal-clear, high-gloss finish that lasts indoors and out.
- Fast Return to Service: Recoat in 2–4 hours and walk on it in 4–8 — reopen the space the same day.
- Superior Abrasion & Chemical Resistance: Just 0.03 g Taber abrasion loss protects the color and flake beneath from heavy traffic.
- Built for Flake & Color Systems: The go-to thin clear topcoat over vinyl flake broadcast (chip) floors and solid-color coatings.
- Flexible & Tough: 40% elongation at break resists cracking; 5,150 psi tensile; 175-sec Koenig pendulum hardness.
- Good Wet Traction: ~0.75 DCOF wet for slip resistance.
- Low-VOC & Compliant: <50 g/L VOC; CFIA/USDA recognized; LEED v4 low-emitting.
Technical Specifications
- Type: Solvent-based aliphatic polyaspartic polyurea, 2-component
- Solids: 75% by weight
- VOC: <50 g/L (LEED v4 compliant)
- UV Stability: Yes — aliphatic, non-yellowing
- Finish / Gloss: Crystal-clear high-gloss, 89.5 GU @ 60°
- Abrasion (Taber CS-17, 1000 cyc/1000 g): 0.03 g loss (ASTM D4060)
- Elongation at Break: 40% (ASTM D638)
- Tensile Strength: 5,150 psi (ASTM D638)
- Pull-Off Adhesion: >363 psi, substrate failure (ASTM D7234)
- Hardness: Koenig pendulum 175 sec @ 8 mils (ASTM D4366)
- Slip Resistance (DCOF): ~0.75 wet (ASTM E303-93)
- Viscosity: Part A 300–400 cps · Part B 100–150 cps
- Working Time: 20–25 min @ 70°F / 50% RH
- Cure @ 68°F: Recoat 2–4 hrs · Foot traffic 4–8 hrs · Vehicle ~1 day · Full cure ~7 days
- Coverage (per 2-gal kit): Over coating 8 mils, ~400 sq ft · Over vinyl flake 12 mils, ~267 sq ft
- Kit: 2-gallon (3.78 L resin A + 3.78 L hardener B)
- Color: Clear (tintable; pigmenting may reduce chemical resistance)
- Certifications: CFIA, USDA (indirect food contact); SCAQMD 304-91
- Application: 10 mm roller / squeegee over a prepared base system — not for bare concrete; apply 50–86°F
- Shelf Life: 1 year unopened (store 59–86°F)
