Dunham's Polyurethane Rust Preventive High Gloss Enamel for interior & Exterior Use Black 1 gallon Item no. 2401

$45.00

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Product Details

UPC: 010701240216

Brand: Dunham

Polycrylic vs Polyurethane vs Spar Urethane — Comparison Chart

Feature	Polycrylic	Polyurethane (Oil‑Based)	Spar Urethane
Base Type	Water‑based	Oil‑based (also water‑based versions exist)	Oil‑based or water‑based
Best For	Indoor furniture, light‑colored woods, crafts	Floors, tables, heavy‑use surfaces	Outdoor wood, sun & moisture exposure
Durability	Medium	Very high	High (flexible for outdoor use)
Moisture Resistance	Low–Medium	High	Very high
UV Resistance	Low	Low	High (UV blockers added)
Yellowing Over Time	❌ No yellowing	✔️ Yellows over time	Slight yellowing (oil‑based), minimal (water‑based)
Dry Time	Fast (2 hrs)	Slow (8–24 hrs)	Medium
Odor Level	Very low	Strong	Medium
Finish Options	Matte, Satin, Semi‑Gloss, Gloss	Satin, Semi‑Gloss, Gloss	Satin, Semi‑Gloss, Gloss
Ease of Use	Very easy	Moderate	Moderate
Cleanup	Soap & water	Mineral spirits	Depends on base (water or oil)
Cost	Low	Medium	Medium–High
Where NOT to Use	Outdoors, bathrooms, floors	Light‑colored woods (yellowing)	Floors, painted surfaces

⭐ Quick Recommendations

Use Polycrylic if…

You’re finishing indoor furniture
The wood is light‑colored (maple, birch, pine)
You want no yellowing
You need fast drying and low odor

Use Polyurethane if…

You need maximum durability
You’re coating floors, tables, or high‑traffic surfaces
You don’t mind some yellowing
You want a tough, long‑lasting finish

Use Spar Urethane if…

The project is outdoors
The wood faces sun, rain, humidity, or temperature changes
You need UV protection
You want a finish that flexes with wood movement

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Best for Adhesives & Glue, Fasteners, Paint Accessories