Quantum QUS Quantum Ultra Stacking & Hanging Acrylic Crystal Clear Bins, By Multiples 8-1/4" / 14-3/4" / 7" 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 QUS Quantum Ultra Stacking & Hanging Acrylic Crystal Clear Bins, By Multiples 8-1/4" / 14-3/4" / 7"
PFAS grade
B 85/100
Overall grade
C 77/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Acrylic polymer, clear bins
Confidence
78%
PossibleMicroplastics shedding from mechanical stress
PossibleCrazing and stress fracturing over time
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