RB 566 Golf Balls vs Staff Zip Golf Balls: which is safer?
These two grade almost identically. Pick on price and preference; neither has a PFAS edge.
Mizuno
RB 566 Golf Balls
PFAS grade
B 85/100
Overall grade
C 77/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Synthetic rubber/resin core, surlyn or polyurethane cover
Confidence
72%
PossiblePolymer cover degradation and microplastics
PossibleThermal off-gassing if overheated
Wilson
Staff Zip Golf Balls
PFAS grade
B 85/100
Overall grade
C 77/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Synthetic rubber/elastomer cover, solid core
Confidence
72%
PossibleVolatile organic compounds (VOC) off-gassing
PossibleIngestion hazard (choking)
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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