Flourocarbon Leaders and Tippets Vs Monofilament – The Benefits of Flouro

Flourocarbon vs Mono

Flourocarbon and monofilament leadersMany people still are not on in the flourocarbon fan club, even though there are many clear advantages to tippets and leaders made from this material. The main factor you might consider while standing in a fly shop is the price. The cost of this high tech material is very high in comparison to standard monofilament, but is it worth it?

Durability

There are a lot of outside influences that can harm your lines. You will find that in most cases flourocarbon leaders outweigh mono in this category by far. The sun will damage traditional monofilament after a very short period, while the flouro can withstand years on a shelf or in a gear bag and show no signs of deterioration. The UV rays destroy monofilament to the point where it becomes nothing short of brittle.  Another factor that can harm line is insect repellents. Deet is a harsh chemical used in most effective insect repellents, flourocarbon lines are nearly impervious to it; while mono will nearly melt when it comes into contact with it. (Fly lines will also be ruined by insect repellents learn proper care for that here)

The Differences in Density

This is a very important thing to consider when choosing your leaders and tippets. If you are going to be using a hopper dropper rig, or even a simple nymph rig, using flourocarbon will give you an advantage. You want your flies to get down to the fish as fast as possible, and stay in the “zone” as long as possible.  Flourocarbon has a higher density than mono. Actually it is bonded so well together, that air and water will not penetrate its outer coating. This will cause the flouro to sink at a rate almost 4 times faster than monofilament. Not only that, the water absorption that takes place with mono causes the line to become weakened, even after a very short period in the water (an hour or less). The slickness of flouro and the lessened surface area of its tightly compacted shell both play a major role in its fast sinking benefits.

Use the table below to decide if you think flourocarbon is worth the price (personally I think it is well worth it).  The major cost difference comes from the way these lines are manufactured. Without getting technical the flourocarbon lines begin at a molecular level. While the nylon monofilaments are basically a byproduct of the oil industry. If there is one species on earth that can get finicky enough to warrant using flouro; it is the trout.

 

Fluorocarbon Leaders/Tippets

Monofilament Leaders/Tippets

Memory

Fairly high memory of most brands (more coils after coming off spool) Sometimes has a high memory, there are many low memory varieties on the market, however you will usually sacrifice abrasion resistance and durability.

Resistance to Insect Repellents (Deet)

Fairly Resistance to Deet (the active ingredient in many insect repellents) Very susceptible to damage from Deet and other chemicals

Sink rate

 Sinks at a Faster Rate  Sinks almost 4 times SLOWER than fluorocarbon

Water Absorption

 The higher density means it doesn’t absorb water  Absorbs high amounts of water and leads to weakness

Visibility

 Nearly Invisible under water. Fluorocarbon line comes the closest to the light refractive index of water.  Fairly visible to fish: You will have to use lighter weight monofilament to replicate the same visibility as heavier strength fluorocarbon

Abrasion Resistance

 High abrasion resistance (brand dependent)  Most are quite resistant to nicks and abrasion (similar to fluorocarbon in this category)

UV Radiations Effect (The sun)

 Minimal effect of UV Radiation on Flourocarbon  Monofilanent can lose 40% or more of its strength after long term exposure to UV rays (the sun)

Knot Strength

 Knot strength can vary greatly (depending on brand)  Tends to have good knot strength for the most part

Suppleness

 Flourocarbon tends to be quite stiff (this can be a problem in cold temps)  Generally more supple and soft than flourocarbon

Stretch

Less stretch than Monofilament Can be quite flexible, this can cause loss of hook penetration on a hookset. Although extra stretch in many cases will help keep fish hooked.

 

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