Retro Acoustic Guitar Strings vs GB114 George Benson Flatwound Jazz 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
Thomastik-Infeld
GB114 George Benson Flatwound Jazz Guitar Strings
PFAS grade
A 95/100
Overall grade
A 91/100
Verdict
Buy
Hazard flags
⚑ 1
Material
Nickel-plated steel core with flatwound stainless steel wrap
Confidence
78%
PossibleNickel contact dermatitis
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 →
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