Everly · Guitar Strings
Ernie Ball 2550 Everlast Coated Phosphor Bronze Acoustic Guitar Strings 10-50
Lower concern; acoustic guitar strings have minimal PFAS exposure risk and no known coating Teflon-family coating.
Ernie Ball's Everlast coated phosphor bronze strings are primarily metal and bronze, materials not typically associated with intentional PFAS use. The coating formulation is not disclosed, but guitar string coatings are rarely Teflon-family coating-based; nylon, polyurethane, or resin coatings are more common.
Shop Everly on Amazon →Material
Phosphor bronze with unspecified coating (likely resin or lacquer-based)
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
These strings use phosphor bronze (copper-tin-phosphorus alloy) wound around a steel core, with an unspecified resin or lacquer-based coating to extend playability and reduce finger noise. Phosphor bronze is a well-established, non-toxic guitar material that resists corrosion better than plain bronze. The coating composition is not publicly disclosed by Ernie Ball, so its exact chemical profile and potential off-gassing during storage or use remains unknown, though acoustic strings are used in low-temperature, low-contact contexts that minimize exposure risk.
The brand's record and disclosure
Ernie Ball (now owned by Earthworks Music Group) has no documented safety recalls or transparency statements specific to string coating chemistry or heavy metal content in their acoustic lines. The brand does not publicly certify coating ingredients or publish material safety data sheets for consumer strings. No major controversies regarding string hazards have been established in public records or regulatory actions.
How it compares in its category
Phosphor bronze acoustic strings are a mainstream choice; alternatives include plain bronze (less corrosion-resistant), nickel-plated steel (brighter tone, faster wear), and polymer-coated variants from competitors like D'Addario and GHS. The Everlast coating is marketed as extending string life, which may reduce replacement frequency and waste. Most acoustic string hazards are negligible compared to cookware or cosmetics because strings are not ingested, inhaled, or absorbed through skin during normal use.
If you buy it
Store strings in a cool, dry place away from direct sunlight to prevent coating degradation and metal oxidation. Replace strings when they sound dull, feel rough, or break; typical lifespan is 1-3 months depending on playing frequency. Wash hands after playing to remove residual metal particles and coating dust. No special disposal precautions are needed beyond normal household recycling or waste; strings are not hazardous waste.
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.”
Coating composition and off-gassing
The resin or lacquer-based coating is not chemically specified by the manufacturer. Low-volatility off-gassing during storage or warm conditions is possible but unlikely to pose inhalation risk in typical home use, given the small surface area and low contact time with skin or mucous membranes.
Trace heavy metals in bronze alloy and windings
Phosphor bronze and steel are not inherent sources of lead, cadmium, or arsenic when produced to standard guitar-string specifications. No public testing or recalls have identified heavy metal contamination in Ernie Ball acoustic strings; risk is negligible given minimal skin contact and no ingestion pathway.
Microabrasion and metal particle shedding
String windings naturally shed microscopic metal particles during play, which settle on the guitar and may contact skin or be inhaled in trace amounts. This is inherent to all wound strings and is not specific to this product or brand; health significance is minimal.
Allergic reaction to coating or alloy components
Nickel sensitivity is rare but documented in some musicians; phosphor bronze contains copper and tin, not nickel, so risk is low. The undisclosed coating could theoretically trigger contact dermatitis in sensitive individuals, but no reports specific to Ernie Ball Everlast strings are on record.
Corrosion and coating breakdown over time
Moisture exposure can degrade the resin coating, exposing the underlying bronze to oxidation and potential verdigris formation. While verdigris is low-toxicity, prolonged storage in humid conditions may accelerate coating failure and require earlier string replacement.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% 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.