KastKing · Fishing Tackle & Gear
KastKing SuperPower ColorShield Braided Fishing Line
Skip due to unknown coating composition and no transparency.
This braided line with unknown color coating lacks brand disclosure on PFAS risk or material sourcing. Coating type remains unverified.
The better-graded swap
Shimano
shimano Symetre Spinning Combo
85/100 safety
Same rubric that flunked this product. The swap earned Excellent.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
Braided polyethylene or nylon core with color-coated finish
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
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What KastKing SuperPower Fishing Line is made of, ingredients and materials
KastKing SuperPower ColorShield uses a braided polyethylene or nylon core with a colored polymer coating. Polyethylene and nylon are chemically inert under normal fishing conditions and do not leach into water. The color coating is the only component of concern, as its binder and pigment composition is not disclosed; this finish can degrade over time from UV exposure and mechanical stress, potentially releasing micro-particles into aquatic environments.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Unknown / proprietary coating
A coating is recorded with no disclosed chemistry.
Coating integrity and microplastic release
The colored polymer coating degrades under UV and mechanical stress; fragmentation into micro-particles is likely during use and storage, but aquatic impact is not quantified for this specific product.
Undisclosed colorant or pigment composition
Heavy metals (cadmium, lead, or chromium) in synthetic dyes are possible but not reported for KastKing lines; industry standards do not mandate disclosure of pigment identity.
Persistent polymer accumulation in aquatic ecosystems
Polyethylene and nylon are resistant to biodegradation; lost or discarded line can persist for decades in water and sediment, though direct human toxicity is not the concern.
What’s reassuring
Allergen or sensitizer exposure from coating materials
No reports of dermal sensitization or allergic reactions from handling KastKing braided line; polymer coatings are generally considered non-reactive under normal use conditions.
Aquatic toxicity from leached coating components
No formal testing data is available for this product; polyethylene and nylon cores are inert, but coating leachates have not been characterized.
How is this PFAS grade calculated?
The brand's record and disclosure
KastKing provides no public statements on PFAS use, coating composition, or sustainability practices for this product. The company does not list third-party certifications (such as ISO standards or heavy metal testing) for fishing lines. Without transparency on manufacturing inputs, users cannot verify whether fluorochemical water-repellents were used in the coating process, which is common in performance fishing lines to reduce water absorption and increase visibility.
How it compares in its category
Most braided fishing lines use similar polyethylene or nylon cores and colored polymer coatings. Brands like Spiderwire and Sufix also do not routinely disclose coating chemistry. Uncoated monofilament and fluorocarbon alternatives avoid coating degradation concerns but have different performance trade-offs. Fishing line is not ingested and poses minimal dermal exposure, so toxicological risk is lower than food-contact or cosmetic products, though aquatic persistence and breakdown products remain relevant.
If you buy it
Store the spool in a cool, dry location away from direct UV light to slow coating degradation. Inspect the line regularly for fraying, discoloration, or whitening, which signal breakdown; replace annually or if visible wear develops. Dispose of spent line responsibly in trash or through fishing-specific recycling programs, not in water or composting systems. Wash hands after extended handling to remove any surface residue, though acute toxicity from contact is not established.
What is not known about PFAS in this product?
- Basis
- Model estimate, 45% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- KastKing has made none
Formulations change between production runs, so check the current label. How we grade.
What are the PFAS-free alternatives to KastKing SuperPower ColorShield Braided Fishing Line?
- Fiberglass rod, plastic reel, rubber grip
- We found no PFAS statement from the brand
- Fiberglass splinters from rod degradation
3 hazards checked on this product, all on its full breakdown.
- Plastic body, tinned steel hook
- We found no PFAS statement from the brand
- Microplastic generation from wear
2 hazards checked on this product, all on its full breakdown.
- Monofilament nylon fishing line
- We found no PFAS statement from the brand
- Microplastic shedding on degradation
2 hazards checked on this product, all on its full breakdown.
More fishing tackle & gear grades
How we score, every product runs through the same public 0-100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.