Samsung · Waterproof Personal Electronics
Samsung Galaxy S26 Ultra Waterproof Case
Unknown waterproof treatment. Samsung silent on PFAS.
Waterproof phone cases typically use water-repellent coating coatings that may contain PFAS. Samsung provides no material or PFAS disclosure for this product, leaving exposure risk unclear.
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Material
Likely TPU or silicone with waterproof coating
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Waterproof / stain-resistant treatment
water-repellent coating treatments have historically used PFAS.
Category baseline
other is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
Samsung Galaxy S26 Ultra cases are typically TPU (thermoplastic polyurethane) or silicone elastomer with an applied waterproof coating or sealant. TPU and silicone are inherently flexible, non-toxic base polymers with low leaching under normal conditions. However, the waterproofing layer, often proprietary, is the chemical wildcard: it may contain fluorinated compounds (PFAS), siloxanes, or other water-repellent treatments whose long-term stability and off-gassing profile are not publicly disclosed by Samsung.
The brand's record and disclosure
Samsung has not publicly committed to PFAS-free waterproofing or issued detailed chemical composition disclosures for case materials. The company remains silent on specific polymer additives, flame retardants, or fluorinated treatments in protective accessories. No major product recalls for chemical leaching from Galaxy cases have been reported to US CPSC, but absence of recalls does not confirm safety testing was conducted or published.
How it compares in its category
Phone cases occupy a gray zone: they contact skin and pockets but are not ingested. Compared to cookware or food storage, chemical migration risk is lower. Compared to premium outdoor gear that explicitly markets PFAS-free water resistance, Samsung cases offer no equivalent transparency. Third-party PFAS-free silicone cases from smaller brands do exist but may sacrifice durability or waterproof performance.
If you buy it
Avoid prolonged skin contact with the case in hot conditions (e.g., leaving it in direct sunlight or near heat sources), as elevated temperature may increase any off-gassing from the waterproof coating. Wash your hands after extended use, particularly if you notice odor. Replace the case if visible coating degradation occurs (peeling, cloudiness, or stickiness), as a compromised seal may leach coating components. Store in a cool, dry place and do not wrap tightly in plastic for extended periods, as this can trap volatile emissions.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Unknown waterproof coating composition (possible PFAS or fluorinated polymers)
Samsung does not disclose whether waterproofing uses PFAS, Teflon-family coating, or alternative chemistries. Fluorinated water repellents are common in protective accessories and may migrate into skin oils or sweat during warm-weather use.
TPU/silicone base polymer degradation over time
TPU and silicone can degrade, crack, or become sticky with age, UV exposure, or repeated heat cycles. Degraded material may release oligomers or uncrosslinked polymer chains; this is cosmetic and functional failure rather than acute toxicity but warrants replacement.
Off-gassing or volatilization from waterproof treatment under heat
Phone cases left in hot cars, pockets during exercise, or direct sunlight may outgas volatile components from the waterproofing layer. No published off-gassing data for this specific product exists; risk is theoretical but plausible given material class and intended use environment.
Skin irritation or sensitization from coating residue
No reports of contact dermatitis or allergic reactions specific to Samsung Galaxy cases. Silicone and TPU are generally hypoallergenic, but uncrosslinked oligomers in waterproof coatings can theoretically irritate sensitive skin with prolonged contact.
Microplastic shedding if coating fragments
If the waterproof coating peels or cracks, small particles may shed into pockets or onto skin. Silicone- and TPU-based particles are generally not classified as persistent microplastics but represent unnecessary environmental and ingestion exposure if fragments are handled.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 35% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Waterproof Personal Electronics
Pelican
M40 Micro Case
Polypropylene copolymer plastic case with solid construction, no Teflon-family coating
Lower PFAS concern. Rigid PP case with no waterproofing treatment.
✓Naturally PFAS-free material
Urban Armor Gear (UAG)
Pathfinder MagSafe Case for iPhone
Thermoplastic polyurethane (TPU) and metal alloy components
Lower concern. TPU phone case has minimal PFAS risk profile.
⚠Brand says nothing about PFAS
Urban Armor Gear (UAG)
Pathfinder Case for Galaxy
TPU polymer, impact-resistant composite
Lower concern, but no PFAS transparency from UAG.
⚠Brand says nothing about PFAS
More waterproof personal electronics 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.