Waterproof Case vs K470 Aluminum Storage Case 40845: which is safer?
zarges K470 Aluminum Storage Case 40845 is the clear pick. Plano Waterproof Case carries a failing PFAS grade, and we never recommend buying a failing product.
Plano
Waterproof Case
PFAS grade
F 40/100
Overall grade
analysis pending
Verdict
pending
Hazard flags
none flagged
Material
Polymer/plastic case with waterproof coating
Confidence
35%
Our pick
Zarges
K470 Aluminum Storage Case 40845
PFAS grade
B 85/100
Overall grade
C 77/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Aluminum with rubber gasket/hinges
Confidence
78%
PossibleAluminum corrosion and leaching
PossibleBacterial or mold growth in seal
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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