Quantum QB600 Clear Compartment Storage Box vs K470 Aluminum Storage Case 40845: which is safer?
These two grade almost identically. Pick on price and preference; neither has a PFAS edge.
Quantum Storage
Quantum QB600 Clear Compartment Storage Box
PFAS grade
B 85/100
Overall grade
C 77/100
Verdict
Buy
Hazard flags
⚑ 2
Material
polypropylene plastic storage container
Confidence
72%
PossibleMicroplastic shedding from degradation
PossibleOff-gassing and odor (volatile organic compounds)
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 →
More jewelry cases & organizers: see the full ranking