Is Rotosound PFAS-free?
Across 8 graded products, Rotosound averages B (88/100). On disclosure, the brand says nothing publicly about PFAS. 8 of its products grade C or better. Grades are model-based estimates, not lab results.
Worth buying from Rotosound C or better, safest first
Rotosound
R12-60 Electric Guitar Strings
Nickel-wound steel strings; stainless steel construction
Lower PFAS concern; no treatment chemistry typical of problem products.
✓Bare metal or glass, no coating at all
Rotosound
RS200 Top Tape Monel Flatwound Electric Guitar String
Monel alloy (nickel-copper) with stainless steel wrap
Lower PFAS concern, metal guitar strings are not a typical PFAS vector, but no brand disclosure.
✓Bare metal or glass, no coating at all
Rotosound
Nexus Acoustic Guitar Strings
Nickel-plated steel strings (wound core)
Lower concern, traditional acoustic strings with no known PFAS use, but no brand transparency.
⚠Brand says nothing about PFAS
Rotosound
Roto Yellows Electric Guitar Strings
Nickel-plated hex-core steel wire strings
Lower PFAS concern; metal strings lack typical treatment triggers.
⚠Brand says nothing about PFAS
Rotosound
Nexus Bass Guitar Strings
Steel/nickel-silver wound strings, no special coating disclosed
Lower-concern product; steel strings have minimal PFAS risk, but lack transparency is a minor flag.
⚠Brand says nothing about PFAS
Rotosound
NC Single Guitar String
Nickel-wound steel wire (NC = nickel-chromium)
Lower PFAS concern; traditional metal wound string with no known water-repellent or coating treatments.
⚠Brand says nothing about PFAS
Rotosound
NXA12 Aco Str 12-54
Nickel-wound steel strings (acoustic guitar)
Lower concern, acoustic guitar strings pose minimal PFAS risk.
⚠Brand says nothing about PFAS
Rotosound
Jumbo King Acoustic Guitar Strings
Nickel-plated steel wound strings (bronze/steel core)
Lower PFAS concern; acoustic guitar strings are not a typical PFAS application.
⚠Brand says nothing about PFAS
Every grade uses the same public rubric. How grades work →