Savarez · Guitar Strings
Savarez Tomatito Flamenco Guitar Strings
Lower PFAS concern; no treatment triggers identified in this traditional string product.
Savarez Tomatito flamenco strings are traditional bronze-wound nylon-core products with no known water-resistant, non-stick, or stain-resistant coatings that would typically introduce PFAS. No public PFAS claims or disclosures exist from the brand.
Shop Savarez on Amazon →Material
Bronze-wound nylon core strings (classical flamenco guitar strings)
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
Savarez Tomatito strings use a nylon monofilament core (treble strings) wound with bronze-phosphor or similar bronze alloy wire (bass strings). Nylon itself is a synthetic polymer with a well-established safety profile in food and consumer contact; the bronze winding is a traditional, chemically stable metal alloy used in stringed instruments for over a century. Neither component requires treatment with waterproofing, flame retardants, or antimicrobial coatings, which eliminates several chemical risk vectors common in modern synthetic materials.
The brand's record and disclosure
Savarez is a French manufacturer with a long heritage in classical and flamenco string production; no public safety recalls, chemical controversies, or disclosure issues are on record for this product line. The company does not prominently advertise PFAS avoidance or chemical certifications, but the product category (plain wound strings) carries inherently low exposure risk. No independent testing of Savarez strings for heavy metals, lead, or other contaminants has been published in accessible consumer databases.
How it compares in its category
Flamenco strings are simpler in chemistry than many acoustic or electric string types because they avoid polymer coatings and complex winding treatments. Savarez Tomatito sits in the mid-to-premium segment; it competes against similar bronze-wound nylon strings from D'Addario, Aquila, and GHS, all of which share the same basic material profile. None of these mainstream brands have reported chemical safety issues, and the nylon-plus-bronze formula is the industry standard.
If you buy it
Store strings in a cool, dry place away from direct sunlight to slow oxidation of the bronze winding; humidity extremes can promote corrosion but do not create health hazards. Replace strings when they lose brightness, develop visible rust, or break; typical lifespan is 1-3 months with regular playing. No special cleaning chemicals are needed; wipe with a dry cloth after playing. Nylon strings are safe to handle, wear, and dispose of as normal waste; the bronze alloy is not a health concern in normal contact.
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.”
Bronze alloy composition (trace metals)
Savarez does not disclose exact alloy ratios; however, phosphor bronze and similar alloys used in guitar strings are non-toxic in solid form and do not leach into skin or food. No documented cases of lead, cadmium, or other heavy metal contamination in commercial guitar strings exist.
Nylon monofilament degradation
Extended UV exposure or heat above 60°C (140°F) can degrade nylon fibers, causing surface roughness and potential breakage; this is a functional failure, not a chemical hazard. Normal room storage and indoor use pose no risk.
Corrosion byproducts from bronze
In very humid or salt-air environments, bronze can form verdigris (copper carbonate); this may discolor fingers but is not systemically toxic. Proper drying after play minimizes this risk.
Formaldehyde or resin treatments
Guitar strings are not treated with formaldehyde-releasing resins or synthetic sizing as required in some textiles or plywood; the product is wound and finished without chemical cross-linking agents.
Flame retardant coatings
Flamenco strings are not subjected to flame retardant treatments, as they are a natural-fiber-based product with no regulatory flammability requirement.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 82% 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.