Retro Acoustic Guitar Strings vs R12-60 Electric Guitar Strings: which is safer?
These two grade almost identically. Pick on price and preference; neither has a PFAS edge.
Martin
Retro Acoustic Guitar Strings
PFAS grade
A 95/100
Overall grade
A 91/100
Verdict
Buy
Hazard flags
⚑ 1
Material
Phosphor bronze, stainless steel, nylon wound
Confidence
82%
PossibleTrace heavy metals in bronze alloy
Rotosound
R12-60 Electric Guitar Strings
PFAS grade
A 95/100
Overall grade
A 91/100
Verdict
Buy
Hazard flags
⚑ 1
Material
Nickel-wound steel strings; stainless steel construction
Confidence
82%
PossibleNickel contact sensitization
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More guitar strings: see the full ranking