Fender · Guitar Strings
Fender Super Bullets Electric Guitar Strings
Lower concern, guitar strings are metallic with no typical PFAS application pathways.
Fender Super Bullets are wound steel and nickel strings with no known nonstick, waterproof, stain-resistant, or grease-resistant coating that would warrant PFAS use. The brand makes no PFAS claims. Guitar strings fall outside product categories with established PFAS contamination risk (cookware, apparel, cosmetics, food packaging).
Shop Fender on Amazon →Material
Nickel-plated steel core with bronze or steel windings
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.
No PFAS disclosure
No public statement about PFAS in this product.
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
The full breakdown
What it's made of and why it matters
Fender Super Bullets use a nickel-plated steel core wound with bronze or steel alloy windings. Nickel plating is a standard, stable coating in stringed instrument manufacturing that does not leach significantly into skin or saliva under normal playing conditions. The windings provide acoustic properties and durability rather than serving as a chemical delivery system. This is a mature, commodity material with decades of use history.
The brand's record and disclosure
Fender does not publicly disclose detailed material safety or chemical composition statements for strings beyond basic spec sheets. The company has no known recalls for Super Bullets strings related to contamination, nickel sensitization, or heavy metal content. Fender's broader manufacturing practices are not subject to food or personal care chemical restrictions, reducing disclosure pressure. No third-party certifications (e.g., RoHS for metallic products) are advertised for this string line.
How it compares in its category
Electric guitar strings are a narrow, specialized category with few alternatives beyond nickel-plated, stainless steel, or pure nickel options. Super Bullets compete on tone and longevity rather than safety differentiation; all mainstream brands (D'Addario, Ernie Ball, GHS) use similar nickel or stainless plating. This product sits in the mainstream, uncontroversial segment with no known safety gaps relative to equivalents. Niche phosphor bronze or coated strings exist but are marketed for tone, not safety.
If you buy it
Strings should be replaced every 2 to 4 months depending on play intensity and rust or tone degradation. Wash hands after playing to remove dirt and sweat that accelerate corrosion and buildup. Store in a dry environment to prevent oxidation of windings. Individuals with known nickel hypersensitivity may experience mild contact dermatitis on fingertips; alternatives like pure nickel or stainless strings are available, though Super Bullets are unlikely to cause reactions in the general population.
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.”
Nickel contact allergy
Nickel-plated strings can trigger dermatitis in individuals with nickel hypersensitivity, though prevalence is low (5-10% in general population). Fender does not disclose nickel concentration or release testing.
Coating degradation and metal particulate release
Nickel plating can thin and chip with age and abrasion, potentially exposing the steel core and releasing metallic particles into the mouth if strings are played intensively. Risk is cosmetic and functional rather than acute toxicological.
Heavy metal contamination in alloy windings
No recalls or test reports document cadmium, lead, or other regulated metals in Super Bullets windings. Bronze and steel windings are commodity materials with established purity standards in the industry.
Ingestion of string fragments
String breakage is cosmetic and functional; swallowing small fragments is rare and unlikely to cause GI hazard due to metallic inertness. No poisoning reports are on record for guitar strings.
Corrosion products and rust inhalation
Poor storage can promote rust and oxidation, but strings are played, not heated or burned, so volatilization is not a pathway. Exposure is tactile and acoustic, not respiratory.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 85% 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 Guitar Strings
Martin
Retro Acoustic Guitar Strings
Phosphor bronze, stainless steel, nylon wound
Lower concern, acoustic guitar strings typically use established metals and nylon without water-repellent coating or nonstick coatings.
✓Bare metal or glass, no coating at all
Acoustic360
Ernie Ball Everlast Acoustic Guitar Strings
Phosphor bronze/stainless steel wound on steel core
Lower PFAS concern, acoustic guitar strings use standard metal materials with no known fluorochemical treatments.
✓Bare metal or glass, no coating at all
Dean Markley
Electric Guitar Strings
Steel alloy strings (nickel-plated or stainless steel core)
Lower PFAS concern, steel strings lack typical PFAS applications, but no brand disclosure exists.
✓Bare metal or glass, no coating at all
More guitar strings 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.