Small 3-Layer KOR Kit vs K470 Aluminum Storage Case 40845: which is safer?
zarges K470 Aluminum Storage Case 40845 is our pick: better on PFAS and on the overall hazard picture.
Zarges
Small 3-Layer KOR Kit
PFAS grade
Excellent 85/100
Overall grade
Good 73/100
Verdict
Buy
Hazard flags
⚑ 3
Material
Polypropylene and stainless steel
Confidence
72%
PossiblePolypropylene degradation under heat stress
PossibleMicroplastic shedding from seal wear
PossibleBacterial growth in sealed compartments
Our pick
Zarges
K470 Aluminum Storage Case 40845
PFAS grade
Excellent 85/100
Overall grade
Excellent 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
Where these two actually differ
- We flag Polypropylene degradation under heat stress, Microplastic shedding from seal wear and Bacterial growth in sealed compartments on the Zarges and not on the Zarges.
- We flag Aluminum corrosion and leaching and Bacterial or mold growth in seal on the Zarges and not on the Zarges.
- The Zarges is Polypropylene and stainless steel where the Zarges is Aluminum with rubber gasket/hinges, which is most of the difference in these two grades.
- These two are level, close enough that price and fit should decide it rather than our grade.
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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