EMTECH® EM9300 Polycarbonate Urethane is a clear, non-yellowing, exterior-grade finish perfect for applications requiring a hard yet flexible coating in high-moisture and sunlight-exposed environments. Unlike most polyurethane coatings on the market made with polyester resins, EM9300 is formulated with high-quality polycarbonate resin, giving it superior flexibility, chemical resistance, and durability.
This water-based polyurethane adheres to a wide array of natural and synthetic surfaces, making it an extremely versatile clear finish. Combined with its exterior rating, you can trust your finished project will withstand the elements and look great for years. EM9300 is made with sustainable, environmentally friendly components, has a low VOC formula, and is brush-friendly, making it a solid choice for any project requiring a hardwearing, durable clear polyurethane finish.
Choose EMTECH® EM9300 Polycarbonate Urethane for your next project and experience the best in a water-based, interior/exterior grade, clear topcoat. Whether you're a professional woodworker or a DIY enthusiast, this excellent polyurethane finish is sure to exceed your expectations and provide a sustainable, long-lasting finish for all of your clear finishing projects.
What Is Water-Based Polyurethane?
Definition and Benefits
EM9300 Polycarbonate Water-based polyurethane is a clear, low-VOC coating that protects wood while preserving its natural beauty. Unlike traditional oil-based products, it dries quickly, resists yellowing, and offers a smooth, durable finish suitable for furniture, cabinetry, floors, and more.
Key Benefits of EMTECH® EM9300 Water-Based Polyurethane:
- Non-yellowing finish that maintains wood's natural color
- Fast-drying, allowing multiple coats in a single day
- Eco-friendly with low VOCs for safer indoor use
- Versatile application for interior and exterior wood surfaces
Differences Between Polyurethane, Urethane, and Polycarbonate Urethane
- Polyurethane: Durable finish with excellent abrasion resistance.
- Water-Based Urethane: Similar to polyurethane but with a water-based formulation, offering easier cleanup and low odor.
- Water-Based Polycarbonate Urethane: Enhanced toughness and chemical resistance, ideal for high-traffic or heavy-use surfaces.
Why Choose EMTECH® EM9300 Water-Based Polyurethane?
Non-Yellowing Formula
Unlike oil-based finishes that darken over time, EMTECH® EM9300 keeps your wood looking vibrant and natural for years.
Interior and Exterior Versatility
This water-based polyurethane is suitable for furniture, cabinets, doors, trim, decks, and other wood surfaces, indoors and outdoors.
Eco-Friendly, Low-VOC Composition
Safe for your home or workspace, EMTECH® EM9300 contains minimal volatile organic compounds (VOCs), helping you maintain a healthy environment while achieving professional-quality results.
How to Apply Water-Based Polyurethane
Surface Preparation Tips
- Sand wood to a smooth finish
- Remove all dust and debris
- Ensure surface is dry and free from contaminants
Application Methods (Brush, Roller, Spray)
- Brush: Use a high-quality synthetic brush for detailed work
- Roller: Apply on larger, flat surfaces for a smooth finish
- Spray: Ideal for furniture or intricate designs
Drying Times and Curing
- Touch dry: 30–45 minutes
- Recoat: 1–2 hours
- Full cure: 7–10 days for maximum durability
Comparing Water-Based Polyurethane vs Oil-Based Polyurethane
Durability and Finish
Water-based polyurethane provides excellent abrasion resistance with a clear, non-yellowing finish, while oil-based finishes may darken wood over time.
Environmental Considerations
Water-based formulations are low-VOC, safer for indoor use, and eco-friendly. Oil-based finishes emit higher VOCs and require stronger solvents for cleanup.
Cost and Ease of Use
Water-based polyurethane dries faster, making it easier for DIYers and professionals to apply multiple coats in a day. Cleanup requires only soap and water.
| Feature |
Water-Based Polyurethane |
Oil-Based Polyurethane |
| Drying Time |
1–2 hours |
8–24 hours |
| VOCs |
Low |
High |
| Yellowing |
Minimal |
Likely over time |
| Cleanup |
Soap & Water |
Solvent required |
Frequently Asked Polyurethane Questions (FAQ)
Can water-based polyurethane be applied over existing finishes?
Yes, as long as the surface is clean, dry, and lightly sanded for adhesion.
How do I avoid brush marks?
Use a high-quality synthetic brush and apply thin, even coats. Sand lightly between coats if needed.
How many coats are needed for maximum protection?
Typically, 2–3 coats of EMTECH® EM9300 Water-Based Polyurethane provide optimal durability and finish.
Can I use water-based polyurethane outdoors?
Yes, EMTECH® EM9300 is suitable for both interior and exterior wood applications.
BUY NOW… EMTECH® EM9300 Water-Based Polyurethane