The Loon UV Fly Finish, Flow, 1/2 oz, Clear (LOFFLS) is a popular UV-curable resin used in fly tying to create durable, glossy finishes on flies. Here’s what you need to know:

Key Features:
– UV-Activated – Cures quickly under UV light (365–405nm).
– Thin, Flowable Formula – Designed to penetrate and coat materials smoothly without adding bulk.
– High-Gloss Finish – Provides a clear, shiny, and protective layer.
– Flexible & Durable – Resists cracking and stays flexible for natural movement.
– 1/2 oz (15ml) Bottle – Convenient size for frequent use.

Best Uses:

Loon UV Fly Finish, Flow, 1/2 oz, Clear, LOFFLS Fly Tying

– Small to Medium Flies – Ideal for nymphs, midges, and dry flies where a thin, smooth finish is needed.
– Over Whip Finishes – Seals thread wraps and adds durability.
– Coating Synthetic Materials – Works well on CDC, foam, and synthetic fibers.

How to Use:
1. Apply a thin layer over the desired area.
2. Spread evenly with a bodkin or brush.
3. Cure under a UV light (10–30 sec, depending on light strength).

Pros:
✔ Easy to apply
✔ Quick curing
✔ Doesn’t yellow over time
✔ Non-toxic once cured

Cons:
✖ Requires UV light (not sunlight alone)
✖ Can be runny if over-applied

Alternatives:
– Loon Thick (LOFTK) – For a thicker, more textured finish.
– Solarez Bone Dry – Another UV resin option for fly tying.

This product is great for fly tiers who want a fast, durable, and glossy finish without the mess of traditional epoxy. Would you like recommendations for a UV light to pair with it?