Does KastKing fishing line have PFAS?
We graded 8 KastKing fishing line products, averaging Excellent (76/100). 6 of them grade Good or better. Against the other 14 fishing line brands we grade, where the middle brand sits at 75/100, KastKing is better than typical, scoring above 68% of them.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
KastKing fishing line worth buying Good or better, best-graded first
KastKing
Zephyr Spinning Reel
Aluminum body, stainless steel, metal gears
Aluminum corrosion and degradation
Aluminum bodies exposed to saltwater or freshwater minerals can develop surface oxidation…
Bearing and seal contamination
If reel housing seals fail or water intrudes, internal bearings may accumulate salt…
Metallic particle shedding from wear
Gear teeth and bearing races naturally shed microscopic metal particles with use. In…
Metal reel construction poses minimal PFAS risk.
⚠Brand says nothing about PFAS
KastKing
Megatron Spinning Reel
Aluminum spool, stainless steel, graphite body
Graphite composite degradation
Carbon-filled polymer body may shed microscopic graphite particles if cracked or heavily…
Mechanical injury (gear/line pinch)
Spinning reels carry inherent pinch and laceration risk during operation and maintenance…
Standard metal reel components show no PFAS-risk features.
⚠Brand says nothing about PFAS
KastKing
Sharky III Spinning Reel
Aluminum spool, stainless steel, machined metal parts
Aluminum corrosion and oxidation
Aluminum spools corrode if saltwater or moisture is not rinsed away; this degrades the…
Bearing corrosion and seizing
Stainless steel bearings are corrosion-resistant but not corrosion-proof; saltwater…
Drag washer material degradation
Drag washers are typically felt or synthetic polymer; they wear with use and may shed…
Fishing reel materials indicate minimal PFAS exposure.
⚠Brand says nothing about PFAS
KastKing
Sharky Baitfeeder III Spinning Reel
Aluminum spool, stainless steel ball bearings, graphite composite body
Corrosion of aluminum spool
Aluminum spools corrode in saltwater or wet storage if anodizing degrades. Corrosion does…
Ball bearing rust and seizing
Stainless steel bearings are corrosion-resistant but not immune; neglected maintenance in…
Fishing reel design poses low PFAS exposure concern.
⚠Brand says nothing about PFAS
KastKing
Baitcaster Rod and Reel Combo
Fiberglass composite rod, graphite/aluminum reel body
Graphite dust inhalation
Graphite components are stable during use, but excessive sanding, grinding, or breakage…
Fishing equipment design suggests low PFAS risk.
⚠Brand says nothing about PFAS
KastKing
Royale Legend II Spinning Fishing Reel
anodized aluminum, stainless steel, machined metal parts
Anodized aluminum coating degradation
Anodized layer can develop micro-cracks or pitting from saltwater corrosion or impact. If…
Lubricant residues on contact surfaces
Factory lubricants and greases used on spinning reels are typically mineral oil or…
Corrosion byproducts in stored water
If reel is stored wet or not rinsed after saltwater use, stainless steel fasteners and…
Metal construction indicates low PFAS concern.
⚠Brand says nothing about PFAS
Graded and flagged Poor and Bad, we’d swap these
KastKing
Spinning Reels
Metal reel body, polymer components, likely epoxy or polyurethane coatings
Coating degradation and metal leaching
Epoxy or polyurethane topcoats on aluminum bodies can crack or peel with age, mechanical…
Bacterial or organic growth in spool mechanism
If reels are stored damp or left wet, organic biofilm can colonize the spool and bail…
PFAS
Some industrial epoxy and polyurethane formulations contain per- or polyfluoroalkyl…
Request material transparency from KastKing before purchasing.
⚠Undisclosed proprietary coating
KastKing
Baitcasting Reel
Aluminum spool, metal frame, synthetic drag material
Undisclosed lubricants and drag additives
Synthetic drag materials in reels often contain silicone oils, petroleum distillates, or…
Synthetic drag material degradation
Composite or felt-based drag materials may shed fibers or off-gas volatile compounds…
PFAS
Aluminum frames are often coated for corrosion resistance; manufacturers frequently use…
Unknown coating type prevents accurate PFAS assessment.
⚠Undisclosed proprietary coating
Better fishing line from other brands
Graded higher than the KastKing average of 76.
Berkley
TRILENE BIG GAME
monofilament nylon fishing line
UV degradation and embrittlement
High concern
Microplastic release during use
Limited concern
Low concern for standard monofilament with no coating triggers.
⚠Brand says nothing about PFAS
Berkley
Trilene Big Game Braid
Braided polyethylene fishing line
Polyethylene microfiber shedding
Limited concern
Low concern; braided polyethylene is not a typical PFAS application.
⚠Brand says nothing about PFAS
Berkley
Trilene XT Monofilament Fishing Line
Nylon monofilament (extruded polymer)
Nylon polymer degradation and microplastic release
Limited concern
UV stabilizer additives in polymer matrix
Limited concern
Skin irritation or eye contact from monofilament filament
Moderate concern
Low concern for basic nylon line without water-repellent coating or special coatings.
⚠Brand says nothing about PFAS
See every KastKing product we grade on the KastKing brand page, or the full fishing line ranking.