J:son Pure Fluorocarbon Tippet Material (30 m)

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100% fluorocarbon tippet material featuring ultra-fast sink rate, zero water absorption, and near-total invisibility underwater.

Fast Sinking: Dense material cuts through water film quickly, taking nymphs and wet flies straight to the feeding zone.
Invisible Underwater: Matches the light refraction index of water, making it virtually undetectable to fish.
Extreme Abrasion Resistance: Superior protection against sharp rocks, toothy structure, and seabed friction.
Zero Water Absorption: Retains 100% of its knot strength and rigidity even after hours in the water.

Fluorocarbon is the ultimate choice for streamer anglers, coastal sea trout fishermen, and nymph enthusiasts. Unlike standard nylon, fluorocarbon does not float or absorb water. It sinks rapidly, stays rigid under tension, and withstands harsh friction against rocks and structure.

Which diameter should you choose?

Dimension (mm)	Approx breaking strength	Best Used For / Primary Application
0.145 mm (6X)	~1.6 kg / 3.5 lbs	Clear water nymphing, micro midges, shy trout & grayling
0.165 mm (5X)	~2.2 kg / 4.8 lbs	All-round euro nymphing, weighted nymphs, stillwater trout
0.185 mm (4X)	~2.9 kg / 6.4 lbs	Heavy nymph rigs, stillwater rainbow trout, wet flies
0.205 mm (3X)	~3.8 kg / 8.3 lbs	Streamer fishing, lake trout, light coastal sea trout
0.235 mm (2X)	~4.9 kg / 10.8 lbs	Coastal sea trout standard, streamer fishing, heavy structure
0.265 mm (1X)	~6.0 kg / 13.2 lbs	Coastal sea trout in wind, night streamer fishing, light predator

Specifications

Material: 100% Pure Fluorocarbon
Length: 30 meters per spool
Included Accessory: Custom J:son elastic spool tender (tippet tender)
Refractive Index: 1.42 (Nearly identical to water)

Variantbeskrivningar (Klistras in under respektive variant under "Variants")

0.145 mm (6X): Essential for deep, clear-water nymphing when fish are line-shy.
0.165 mm (5X): The ultimate choice for euro nymphing and stillwater trout fishing.
0.185 mm (4X): Great combination of fast sink rate and strength for rainbow trout and weighted nymphs.
0.205 mm (3X): Ideal for pulling streamers in lakes or fishing light coastal shrimp patterns.
0.235 mm (2X): The benchmark size for coastal sea trout fishing over rocky reefs and weed beds.
0.265 mm (1X): Maximum abrasion resistance for big streamers, night fishing, and heavy coastal conditions.