85/ 100
B
OverallC77/100
P-Line CXX Strong

P-Line · Fishing Line

P-Line CXX Strong

B · Low PFAS

Fishing line carries minimal PFAS risk, but P-Line offers no disclosure, check alternatives with transparency.

Verdict: BuyP-Line CXX monofilament is chemically stable nylon with no established hazards; minimal PFAS risk typical of fishing line. Transparency gap is minor for this product category.

P-Line CXX Strong is a standard monofilament nylon fishing line with no publicly known PFAS-related coatings or treatments. The brand provides no information about PFAS content or manufacturing practices.

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Material

Monofilament nylon fishing line

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

Why this grade

Category baseline

other is a category where PFAS exposure is more common.

Hurts the grade

No PFAS disclosure

No public statement about PFAS in this product.

Hurts the grade

Safe base material

Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).

Helps the grade

The full breakdown

What it's made of and why it matters

P-Line CXX Strong is extruded monofilament nylon, a single continuous polymer strand commonly used in fishing. Nylon monofilament is chemically inert once cured and does not leach into water under normal use conditions. The 'CXX' designation indicates a high-strength formulation, likely achieved through molecular alignment during extrusion rather than chemical additives that would pose leaching risk. Unlike braided or fluorocarbon lines, monofilament has a simpler composition with fewer potential contamination points.

The brand's record and disclosure

P-Line is a legacy fishing-tackle brand with no documented safety recalls or hazard controversies in public records. The brand provides no detailed material composition or chemical additive disclosures on product packaging or website, which is common practice across mainstream fishing-line manufacturers. No independent testing reports or third-party certifications (e.g., environmental or toxicity standards) are publicly available for this specific product line. This silence on PFAS or other additives reflects industry-wide opacity rather than a P-Line-specific problem.

How it compares in its category

Monofilament nylon lines like P-Line CXX are the baseline fishing-line category and carry fewer chemical hazards than fluorocarbon alternatives (which use Teflon-type coating coatings and carry higher PFAS potential). Braided lines introduce more complex resin systems and dyes that slightly increase leaching risk. P-Line CXX sits in the safest material class; the brand offers no compelling reason to choose it over competitors, but also no reason to avoid it based on safety data.

If you buy it

Monofilament nylon is durable in freshwater and saltwater but degrades under prolonged UV exposure; store spools indoors and replace line annually or when visible brittleness or discoloration appears. Do not heat or melt monofilament for any reason, as this can generate styrene-like volatile compounds. Nylon is non-toxic to handle directly; normal fishing use poses no inhalation or dermal hazard. Dispose of spent line in trash, not water, as it is not biodegradable and poses wildlife entanglement risk.

Beyond PFAS: other things we checked

Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”

Possible

Nylon polymer thermal degradation

If monofilament is heated (e.g., during crimping with pliers near flame or industrial spooling), breakdown can release small amounts of volatile organic compounds. Standard fishing use does not involve heat and carries no risk.

None known

Trace heavy metals in colorant dyes

No recalls or test data document heavy-metal contamination in P-Line CXX or competitor monofilament nylon lines. Dyes used in nylon extrusion are industrially regulated; contamination is not established for this product class.

Possible

Microplastic shedding during use

All monofilament nylon lines shed microscopic fragments when abraded against rocks, guides, or teeth. Shed particles enter water as microplastics; accumulation in aquatic ecosystems is a documented concern for all fishing tackle, not specific to P-Line.

None known

Leaching of unreacted monomers or plasticizers

Commercial nylon extrusion for fishing line is a mature process with well-controlled polymerization; residual monomers or phthalate plasticizers are not documented contaminants in monofilament products. No public health alerts exist for this hazard in fishing line.

What we don’t know

This grade is a model-based estimate from public materials, coatings, and brand disclosure at 45% confidence. It is not a lab result.

No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.

The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.

Formulations and coatings change between production runs. Always check the current label before buying.

Safer alternatives in Fishing Line

Stren Original

Stren

Original

Monofilament nylon fishing line

A
B
PFASAll
A · Very low PFAS2 flags

Lower PFAS concern for a fishing line product; no coating or treatment typical of PFAS carriers.

Risky category by default

Maxima Ultragreen One Shot

Maxima

Ultragreen One Shot

Lubricant/chain oil (mineral or synthetic base)

A
B
PFASAll
A · Very low PFAS3 flags

Lower PFAS concern for a chain lubricant; minimal Teflon-family coating/waterproofing risk profile.

Risky category by default

Seaguar Blue Label

Seaguar

Blue Label

Fluorocarbon fishing line (monofilament)

A
B
PFASAll
A · Very low PFAS2 flags

Fluorocarbon fishing line may contain PFAS; insufficient public data to grade definitively.

Risky category by default

More fishing line 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.