What is the Best Clear Coat for Fishing Lures for Durability

Table of Contents

1. Introduction
2. Why the Clear Coat Matters
3. The Top Contenders for Lure Finishing
4. Comparing Clear Coat Features
5. Deep Dive into 2-Part Epoxy Techniques
6. Master the Moisture-Cured Urethane Process
7. Application Methods: Brushing vs. Dipping vs. Spraying
8. Common Mistakes to Avoid
9. Selecting the Best Clear Coat for Specific Lures
10. Essential Tools for the Lure Finishing Bench
11. The Importance of Safety
12. Steps to Apply a Professional Clear Coat
13. Summary of the Best Clear Coat Options
14. FAQ

Introduction

You spend hours carving a balsa wood crankbait or carefully airbrushing a custom pattern onto a plastic blank. The colors are perfect, and the scales look real. Then, on the first cast, a northern pike or a chunky bass hits it, and your masterpiece is covered in deep gouges and peeling paint. This frustration is why selecting the right finish is the most critical step in lure making. At BattlBox, we know that gear is only as good as its ability to withstand the elements and the action. If you want gear picked with that same kind of precision, subscribe to BattlBox. A clear coat isn’t just about making a lure look shiny; it is about creating a protective armor that preserves your hard work against teeth, hooks, and rocks. This guide covers the top contenders for the best clear coat, including 2-part epoxies and specialized urethanes, to help you choose the right protection for your tackle.

Quick Answer: For most hobbyists and professionals, the best clear coat for fishing lures is either a high-quality 2-part epoxy for a thick, glass-like finish or a moisture-cured urethane like KBS DiamondFinish for a thinner, extremely durable, and non-yellowing seal.

Why the Clear Coat Matters

The clear coat is the final barrier between your lure’s base material and the harsh environment of the water. It serves three primary functions: protection, aesthetics, and structural integrity. Without a proper seal, wooden lures will absorb water, swell, and eventually crack the paint. If you’re building out a bigger tackle setup, start with the Fishing collection. Plastic lures will lose their finish to hook rash—the circular scratches caused by treble hooks swinging against the body during a cast or retrieve.

A good clear coat also adds "depth" to the paint job. It makes colors pop and can even be used to suspend glitter or pearls for added flash. However, not all clear coats are created equal. You need a balance of hardness to resist punctures and flexibility to prevent cracking when the lure body flexes or impacts a hard surface like a dock or a rock pile.

The Top Contenders for Lure Finishing

Choosing a clear coat depends on your experience level, the type of lures you are making, and the equipment you have available. Here are the primary categories of finishes used by modern lure makers. For more rugged field gear that supports the same self-reliant mindset, browse BattlBox fishing gear.

2-Part Epoxy Resins

2-part epoxy is perhaps the most popular choice for custom lure makers. It consists of a resin and a hardener that must be mixed in a precise 1:1 ratio. Once mixed, a chemical reaction occurs that turns the liquid into a hard, durable plastic.

• Pros: It provides a very thick, glass-like finish in a single coat. It is excellent for adding weight and "body" to a lure.
• Cons: It can be difficult to work with. It requires a lure turner (a motorized rotisserie) to keep the epoxy from sagging or forming "wicking" drips as it cures.

When using epoxy, you must be mindful of the "pot life," which is the amount of time the mixture remains liquid enough to apply. Some epoxies start to thicken like honey within ten minutes, making it hard to get a smooth finish on multiple lures.

Moisture-Cured Urethanes (MCU)

Moisture-cured urethanes, such as KBS DiamondFinish, are becoming a favorite for those who want a professional finish without the hassle of mixing two parts. These are 1K (one-part) coatings that cure by reacting with the humidity in the air.

• Pros: They are incredibly tough and UV stable, meaning they won't yellow over time. They are thinner than epoxy, which preserves the fine details of a lure’s mold or carving.
• Cons: Storage is difficult. Because they react to moisture, even the air inside the can can cause the entire container to harden.

UV-Cured Resins

UV resins have gained popularity for small lures, fly tying, and jig heads. These coatings remain liquid indefinitely until they are exposed to a specific wavelength of ultraviolet light, at which point they harden in seconds.

• Pros: Near-instant curing. No need for a drying turner. You can take your time getting the application perfect before "freezing" it with a UV torch.
• Cons: Generally more expensive and can sometimes remain slightly tacky if the UV light isn't strong enough.

Comparing Clear Coat Features

Key Takeaway: If you want a thick, classic "custom" look, go with 2-part epoxy. If you want the most durable, professional-grade thin coat that won't yellow, choose a moisture-cured urethane.

Deep Dive into 2-Part Epoxy Techniques

Using 2-part epoxy requires a systematic approach. If your measurements are off by even a small fraction, the finish may stay tacky forever. Most lure makers use small graduated medicine cups for precise measuring.

The Thinning Debate
Some builders prefer to thin their epoxy with a few drops of acetone or denatured alcohol. This helps the epoxy flow better into tight spots and allows bubbles to escape more easily. However, thinning can weaken the chemical bond of the epoxy. A safer way to thin epoxy is to apply gentle heat with a heat gun after application, which lowers the viscosity and pops surface bubbles.

Handling and Turning
Because epoxy remains fluid for a long time, you cannot simply hang the lure to dry. You need a lure turner. This device slowly rotates the lures (usually at 3–6 RPM) to ensure the epoxy levels out evenly across the entire surface. Without this, the epoxy will migrate to the lowest point, creating a large, ugly bump.

Myth: Any hardware store epoxy works for lures.
Fact: Standard 5-minute epoxies often yellow quickly and become brittle. You must use a "lure grade" or "long cure" epoxy designed for clarity and impact resistance.

Master the Moisture-Cured Urethane Process

Products like KBS DiamondFinish offer a different workflow. These are often applied by dipping. You simply dip the lure into the clear coat, let the excess drip off, and hang it to dry. Because the coating is thinner than epoxy, a turner is often unnecessary, though a few flips during the first ten minutes can help.

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The Storage Challenge
The biggest downside to MCUs is their shelf life once opened. If you leave the lid off for too long, the humidity in your workshop will start the curing process in the can. Many professionals use an aerosol product called "Paint Saver," which is a heavy, dry gas that you spray into the can before sealing it. This displaces the moist air and keeps the liquid fresh for months.

Layering for Strength
Because MCUs go on thin, you might want to apply multiple coats. This is especially true for wooden lures where you need a deep seal. You can usually re-coat within an hour or two once the first layer is "tack-free."

Application Methods: Brushing vs. Dipping vs. Spraying

How you apply your clear coat can be just as important as what product you choose. Each method has a specific use case based on the lure type and the coating's chemistry.

Brushing

Brushing is the most common method for 2-part epoxies. It allows you to control exactly where the finish goes, making it easier to keep epoxy off the lure's bill or out of the hook hangers.

• Use inexpensive synthetic brushes (often called "acid brushes").
• Apply in long, smooth strokes.
• Avoid over-working the finish, as this can introduce micro-bubbles.

Dipping

Dipping is the fastest way to get an even coat and is the preferred method for MCUs.

• It ensures 100% coverage, even in the hook eyelets.
• It requires a "dripping station" where excess material can fall onto parchment paper or a waste bin.
• You must be careful to clear out the hook hangers with a toothpick or wire before the finish hardens.

Spraying

Some clear coats, including certain urethanes and lacquers, can be thinned and sprayed through an airbrush or spray gun.

• Note: This is only recommended for experienced makers with high-quality respirators and spray booths. The fumes from sprayed urethanes are highly toxic and should never be inhaled.
• Spraying provides the thinnest, most even coat possible, which is ideal for high-performance lures where weight and balance are critical.

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Common Mistakes to Avoid

Even with the best products, things can go wrong. Understanding these common pitfalls will save you a lot of time and wasted gear.

1. Incompatibility: Not all clear coats play nice with all paints. For example, a "hot" solvent-based lacquer can melt the acrylic paint underneath if applied too heavily. Always test your clear coat on a scrap piece of painted wood before committing to a finished lure.
2. Contamination: Oils from your skin are the enemy of a smooth finish. If you touch a lure with bare hands after painting, the oils can cause the clear coat to "fish-eye," creating small craters where the finish refuses to stick. We recommend wearing nitrile gloves during the entire final assembly and coating process.
3. Bubbles: Bubbles are the bane of the epoxy user. They are caused by mixing too vigorously or by the lure "outgassing" (air escaping from the wood pores). To prevent this, seal your wood blanks thoroughly before painting and use a torch or heat gun to pop surface bubbles shortly after application.
4. Improper Environment: Humidity and temperature play a massive role. High humidity can cause epoxy to blush (turn cloudy) and can cause urethanes to cure way too fast. Aim for a controlled environment around 70 degrees Fahrenheit with moderate humidity.

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Selecting the Best Clear Coat for Specific Lures

Not every lure needs the same level of protection. Matching the finish to the lure's intended use will yield the best results.

For Crankbaits and Jerkbaits

These lures take a beating from hooks and underwater structure. A durable 2-part epoxy or 2-3 coats of a high-quality urethane are the best choices. If the lure is made of balsa, the clear coat is also providing structural strength to the soft wood.

For Topwater Lures

Topwater lures don't usually hit the bottom, but they are often targets for aggressive, toothy strikes. A medium-thick epoxy coat provides great "depth" and makes the lure look more realistic on the surface.

For Jig Heads and Spoons

Since these are often used in rocky areas, they need a very hard, chip-resistant finish. UV resin is excellent for jig heads because you can coat them and cure them instantly, allowing you to build up a large inventory quickly.

Essential Tools for the Lure Finishing Bench

To get professional results, you need more than just the clear coat. Having a dedicated finishing station will make the process much cleaner.

• Nitrile Gloves: Keep your hands clean and prevent oil transfer to the lures.
• Measuring Syringes: For 2-part epoxies, syringes are much more accurate than measuring cups for small batches.
• Heat Gun or Propane Torch: Essential for popping bubbles in epoxy finishes.
• Parchment Paper: Place this under your drying area. Cured epoxy and urethane will peel right off it, making cleanup easy.
• Acetone: The universal solvent for cleaning up drips and brushes before they harden.
• Rotary Lure Turner: If you plan on using epoxy, this is not optional. You can buy these or build one using a low-RPM microwave motor.

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The Importance of Safety

Many of the best-performing clear coats contain chemicals that require respect. Epoxies can cause skin sensitization over time, and urethanes contain isocyanates which are harmful if inhaled.

Important: Always work in a well-ventilated area. Use a respirator when working with moisture-cured urethanes or when spraying any finish. Safety gear is just as important as your carving tools.

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Steps to Apply a Professional Clear Coat

If you are ready to finish your first batch of lures, follow these steps for a consistent result.

Step 1: Inspect and Clean
Check your paint job for any loose dust or debris. Use a soft tack cloth or a puff of compressed air to clean the surface. Do not use water or solvents at this stage, as they may damage the paint.

Step 2: Prepare Your Work Area
Ensure your lure turner is ready or your hanging hooks are in place. Have your mixing cups, stir sticks, and brushes laid out. Once you mix the finish, the clock is ticking.

Step 3: Mix the Coating
If using a 2-part epoxy, measure accurately and stir slowly for at least two minutes. Scrape the sides and bottom of the cup to ensure every bit of resin and hardener is incorporated. If using a 1K urethane, stir it gently—never shake it, as shaking introduces bubbles.

Step 4: Apply the Finish
Start from the front of the lure and work toward the back. Use thin, even layers. If you are brushing, pay close attention to the area around the eyes and the hook hangers, as the finish tends to pool there.

Step 5: The Bubble Pop
After the lure has been coated and is on the turner (or hanging), wait about five minutes. Pass a heat gun or a lighter flame quickly over the surface. The heat will thin the liquid momentarily, allowing bubbles to rise and pop.

Step 6: The Long Wait
Allow the lures to cure in a dust-free environment. For epoxy, this usually means 24 hours. For urethanes, they may be dry to the touch in two hours but shouldn't be fished for at least 48 hours to ensure a full chemical cure.

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Summary of the Best Clear Coat Options

There is no single "perfect" clear coat, only the one that best fits your workflow. If you want the absolute toughest finish that can withstand the teeth of a muskie or the rocks of a rushing river, a moisture-cured urethane like KBS DiamondFinish is the industry leader. It stays clear forever and is incredibly hard once cured.

For the hobbyist who wants that deep, "dipped in glass" look that makes custom lures so attractive, a high-build epoxy like Alumilite Amazingly Clear or Bob Smith Industries (BSI) 30-Minute Epoxy is the way to go. These products are more forgiving during application and provide a substantial feel to the lure.

Building your own lures is a rewarding way to connect deeper with the sport of fishing. Much like the gear we curate at BattlBox, lure making is about self-reliance and the satisfaction of using something you’ve prepared yourself. Whether you are carving wood or painting blanks, the right clear coat ensures that your "Adventure. Delivered." doesn't end with a ruined paint job on the first strike.

Bottom line: Choose moisture-cured urethane for maximum durability and UV resistance, or 2-part epoxy for a classic, high-build glossy finish.

FAQ

Can I use clear nail polish as a clear coat for fishing lures?

Clear nail polish can work for quick, temporary repairs on small jigs or flies, but it is not a good long-term solution for lures. It is generally too brittle, which leads to cracking, and it lacks the water resistance needed for prolonged submersion. For a professional and durable finish, stick to epoxy or urethane.

How do I keep clear coat out of the hook eyes?

The best method is to wait until the clear coat is slightly set but still soft, then use a toothpick or a clean wire to clear the eyelets. If the coating has already hardened, you can use a small drill bit or a specialized "eye cleaner" tool to carefully remove the excess without chipping the surrounding finish.

Why did my epoxy finish turn cloudy or "blush"?

Cloudiness in epoxy, often called blushing, is usually caused by high humidity during the curing process. The moisture in the air reacts with the chemicals in the epoxy as it hardens. To avoid this, try to apply your finish in a climate-controlled room with a dehumidifier if you live in a high-humidity area.

Is one coat of clear coat enough for wooden lures?

For wooden lures, especially porous woods like balsa or cedar, one coat of epoxy is usually sufficient due to its thickness. However, if you are using a thinner moisture-cured urethane, 2 to 3 coats are recommended to ensure the wood is completely sealed and protected from water intrusion.

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