Zarges · Jewelry Cases & Organizers
zarges K 424 XC Waterproof Metal Equipment Case with Wheels
Waterproof case with unknown sealing treatment. No PFAS disclosure available.
This case uses waterproofing coatings of unknown composition on aluminum and plastic. The manufacturer makes no PFAS claims or disclosures about the protective treatment.
The better-graded swap
Small 3-Layer KOR Kit
85/100 safety
Same rubric that flunked this product. The swap earned Excellent.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
Aluminum frame, polycarbonate/ABS body, waterproof sealing coating
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
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What zarges K 424 XC Waterproof Metal Wheels is made of, ingredients and materials
The K 424 XC uses an aluminum frame (lightweight, non-toxic, corrosion-resistant) paired with polycarbonate and ABS polymers for the body. Polycarbonate is rigid and impact-resistant but can leach BPA under stress or high heat; ABS is more chemically stable but less transparent. The waterproof sealing coating is the critical unknown, Zarges does not publicly disclose whether this uses PFAS-based hydrophobic treatments (common in waterproof equipment cases) or alternative methods, making the actual chemical load opaque.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Waterproof / stain-resistant treatment
Water-repellent coating treatments have historically used PFAS.
BPA & bisphenols
Polycarbonate body can leach trace BPA if exposed to heat, impact stress, or prolonged contact with acidic/oily substances. Risk is low for dry equipment transport but increases if case is used to store food, beverages, or liquids over weeks.
Source, FDA ↗Waterproof coating composition (unspecified)
Industrial waterproof cases commonly use PFAS-based or silicone-based hydrophobic coatings. Zarges does not disclose which type is used on the K 424 XC; PFAS coatings would elevate chemical concern beyond BPA.
Off-gassing from sealed polymers
Polycarbonate and ABS can off-gas volatile organic compounds (VOCs) when sealed in a warm environment. This is typically minimal but can accumulate in poorly ventilated storage of the case itself or its contents over months.
Gasket/seal degradation over time
Rubber gaskets degrade from UV exposure, ozone, temperature cycling, and chemical contact. As seals fail, waterproofing is lost and interior air exchange may expose contents (or user) to accumulated VOCs or moisture-borne contaminants.
What’s reassuring
Aluminum frame corrosion under wet conditions
Aluminum is naturally corrosion-resistant but can oxidize if seals fail and interior moisture accumulates. This is a durability issue, not a chemical safety issue, but degraded seals may allow mold or bacterial growth in trapped moisture.
How is this PFAS grade calculated?
The brand's record and disclosure
Zarges is a German manufacturer with decades of industrial equipment heritage and a solid reputation for durability. However, the company provides no public Material Safety Data Sheets, ingredient disclosures, or statements regarding PFAS, BPA, or other synthetic chemicals in sealing coatings or polymers. This silence is typical of industrial equipment makers but limits transparency for consumers concerned about chemical exposure, especially if the case will contact food, water, or skin.
How it compares in its category
Equipment cases in this price/quality tier typically use either PFAS-treated coatings (most common for waterproofing) or uncoated aluminum with rubber gaskets (less chemically certain, more maintenance). Zarges occupies the premium end; competitors like Pelican often disclose their resin chemistry more openly. This case's aluminum frame is less concerning than all-plastic competitors, but the undisclosed coating sets it apart negatively for chemical transparency.
If you buy it
Do not use this case for long-term food or beverage storage, as the sealed environment and unknown coating chemistry create micro-exposure risk if contents warm or off-gas. Clean the interior with water and mild soap before first use to remove manufacturing residues. Inspect gaskets and seals annually for degradation; replace rubber components if they crack, as this compromises both waterproofing and prevents off-gassing. Store in a cool, dry place away from direct sunlight to minimize polymer stress and potential leaching.
What is not known about PFAS in this product?
- Basis
- Model estimate, 45% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Zarges has made none
Formulations change between production runs, so check the current label. How we grade.
What are the PFAS-free alternatives to zarges K 424 XC Waterproof Metal Equipment Case with Wheels?
- Aluminium alloy, bare unpainted surface
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- Aluminium leaching (acidic food contact)
3 hazards checked on this product, all on its full breakdown.
- Aluminum with optional plastic lids
- We found no PFAS statement from the brand
- Aluminum leaching
2 hazards checked on this product, all on its full breakdown.
- Aluminum with stainless steel hardware and latch mechanisms
- We found no PFAS statement from the brand
- Aluminum leaching (minimal)
3 hazards checked on this product, all on its full breakdown.
More jewelry cases & organizers grades
How we score, every product runs through the same public 0-100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.