Urban Armor Gear · Waterproof Smartphone & Tech Cases
UAG Monarch Case for iPhone 14 Plus
Unknown coating composition; no PFAS claims disclosed by brand.
UAG Monarch cases use TPU and polycarbonate with unspecified surface coatings. No public PFAS disclosures or third-party testing available for this product.
The safe swap
Tech21
Tech21 EvoClear for Apple iPhone 17 Pro
85/100 safety
Same rubric that flunked this product. The swap earned its B.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
thermoplastic polyurethane (TPU) and polycarbonate blend
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Unknown / proprietary coating
Proprietary coating with no disclosed chemistry.
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
The UAG Monarch combines thermoplastic polyurethane (TPU) as the primary shock-absorbing layer with polycarbonate (PC) for the rigid back panel. TPU is a synthetic rubber polymer that resists oils, abrasions, and impacts without inherent toxicity risks at room temperature. Polycarbonate is a hard, transparent plastic that provides durability but can degrade under prolonged UV exposure or high heat, though this is not a hazard for typical phone case use. The critical unknown is whether either polymer or the adhesive bonding them contains fluorinated coatings (PFAS compounds for water/oil repellency), which UAG has not publicly disclosed.
The brand's record and disclosure
Urban Armor Gear is a major phone case manufacturer owned by GN Store Nord, a large Danish electronics accessories group. The brand has not published material safety data sheets, ingredient disclosures, or PFAS-free certifications for the Monarch line or most of its products. There are no established recalls or safety controversies on record for this specific model. The silence on PFAS composition is typical of the phone case industry, where most brands do not proactively test or disclose fluorinated compounds in finishes.
How it compares in its category
Phone cases made from TPU or TPU-PC blends are among the lowest-risk protective accessories available, lacking the heavy metals in some metal frames or the off-gassing concerns of certain foam or polyurethane foams. UAG's reinforced design (shock-absorbing corners, raised bezel) is more durable than budget silicone cases, reducing replacement frequency and lifecycle toxicity exposure. However, competing brands like OtterBox and Spigen offer similar material profiles; some (e.g., those with water-resistant claims) may also carry undisclosed PFAS. The Monarch's design does not inherently offer safety advantages over equivalent alternatives, only ergonomics and brand reputation.
If you buy it
Avoid prolonged exposure to direct sunlight or extreme heat above 60C (140F), as polycarbonate can degrade over time, though this is unlikely during normal phone use. Wipe the case regularly with a damp microfiber cloth to remove oils and dirt; do not soak or submerge, as water can infiltrate the TPU-PC seam and potentially trap moisture against the phone. Replace the case if you notice yellowing (PC UV degradation), cracks, or loss of protective integrity. Do not assume water resistance claims without documented testing; many TPU cases marketed as protective are not waterproof at the seams.
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.”
Polycarbonate UV degradation and microcracking
The polycarbonate back panel may become brittle and yellow with prolonged sunlight exposure over months to years. This degrades protective function but does not release toxic substances; it signals the case needs replacement to maintain drop protection.
Microplastics from case wear
Friction between the TPU frame and phone edges, or degradation of the PC panel, can generate microscopic plastic particles. Quantities shed during normal use are negligible and not inhaled; environmental persistence of small fragments shed during handling is a low-level concern but not a direct consumer health hazard.
Adhesive or coating toxicity from TPU-PC bonding
No adverse effects from the adhesive layer bonding TPU and polycarbonate have been documented for this product. Standard polyurethane-based adhesives used in phone cases are non-toxic at room temperature once cured. Chemical leaching into skin contact is not established for this material combination.
Phthalates in TPU formulation
Some TPU compounds rely on phthalate plasticizers to achieve flexibility, though leading phone case manufacturers have moved toward phthalate-free formulations. UAG does not publish TPU resin specifications, so the presence or absence of phthalates cannot be confirmed without direct testing.
Undisclosed PFAS in water-resistant coatings
If the case carries any water-repellent or oleophobic claims, a fluorinated PFAS coating is likely. UAG's silence on coating composition means this cannot be ruled out and compounds the separate PFAS risk assessment at 50/100.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 45% 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 Smartphone & Tech Cases
Tech21
EvoClear for Apple iPhone 17 Pro
polycarbonate and thermoplastic polyurethane (TPU)
Polycarbonate phone case.
⚠Brand says nothing about PFAS
Apple
TechWoven MagSafe Case for iPhone 17 Pro
Woven fabric composite with elastomer MagSafe attachment
Limited PFAS risk from material choice, but no brand disclosure
⚠Brand says nothing about PFAS
Apple
iPhone 17 Pro Max TechWoven Case with MagSafe
Woven textile blend with MagSafe metal ring
Lower concern; typical smartphone case materials lack PFAS triggers.
⚠Brand says nothing about PFAS
More waterproof smartphone & tech cases 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.