Tech21 · Waterproof Smartphone & Tech Cases
Tech21 EvoPro MagSafe Phone Case for iPhone 17 Pro
Skip; brand provides no PFAS transparency on phone case materials.
Tech21 does not publicly disclose PFAS status for this case. Phone cases typically use TPE or silicone, which may or may not contain PFAS depending on manufacturing. No third-party verification available.
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 elastomer (TPE) blend, composition unspecified
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
Tech21 EvoPro uses a thermoplastic elastomer (TPE) blend, which is a rubber-like plastic that combines flexibility with durability. TPE is widely used in phone cases because it absorbs drops and resists tearing. However, Tech21 has not publicly disclosed the full chemical composition, additives, or whether this blend contains phthalates, plasticizers, or flame retardants, making full hazard assessment difficult. TPE can off-gas volatile organic compounds (VOCs) when new or exposed to heat, though levels are typically low in consumer phone cases.
The brand's record and disclosure
Tech21 is a well-established protective case manufacturer owned by Otter Products LLC and does not publish detailed material safety data sheets or PFAS transparency statements for its phone case lines. The brand has no known major recalls specific to chemical hazards in its TPE cases. However, the lack of proactive disclosure on polymer composition and chemical content is consistent with many mainstream phone case makers and suggests minimal engagement with independent safety certification (e.g., no mention of third-party testing or GreenGuard certification).
How it compares in its category
Most mainstream TPE phone cases carry similar disclosure gaps; this product is typical, not exceptional. Some competitors (e.g., Spigen, OtterBox) also do not disclose PFAS or full additive lists, though a few smaller brands publish GreenGuard or similar certifications. Silicone cases generally have better transparency due to stricter material standards, and bare thermoplastic polycarbonate cases are lighter but more brittle. Tech21's shock-absorption focus makes it safer than harder plastics for drop protection but offers no chemical safety advantage.
If you buy it
Unwrap and air it out in a ventilated space for a few hours to minimize initial off-gassing if concerned about VOC odor. Avoid prolonged direct sunlight or high heat (above 60°C), which can accelerate leaching of plasticizers into skin or sweat. Do not chew, gnaw, or place the case in your mouth, especially important for young children. Replace the case every 1-2 years or if it shows visible degradation, tearing, or color changes, as TPE can lose rigidity and shed microparticles over time.
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.”
Phthalates or other plasticizers (unconfirmed additive class)
TPE formulations often contain phthalate plasticizers to improve flexibility, but Tech21 does not disclose whether this blend includes them. Exposure risk is low via skin contact alone, but prolonged contact with warm skin or sweat may slightly increase leaching.
Volatile organic compound (VOC) off-gassing
New TPE cases commonly emit a chemical odor for the first few days, indicating residual solvents or unreacted monomers. Health impact is typically minimal but may trigger sensitivity in chemically sensitive individuals or in poorly ventilated spaces.
Microplastic shedding from degradation
TPE cases can degrade, crack, or shed small particles after extended use, heat, or UV exposure. Shed particles may be ingested if the case contact contaminates food or is placed in the mouth.
Additive migration into skin or food
If case is used in food contact scenarios (e.g., held while eating) or in high-heat conditions (pockets, cars), unknown TPE additives could migrate to skin or food at low levels. Risk is low but not quantifiable without composition disclosure.
Flame retardants (unconfirmed presence)
No public record of flame retardants in Tech21 TPE phone cases, and regulatory requirements do not mandate them for thin consumer electronics cases. Unlikely hazard but composition silence prevents confirmation.
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 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.