Do Tech21 waterproof phone cases have PFAS?
Tech21 waterproof phone cases average 85 out of 100 on PFAS Authority's PFAS and toxin screen across the 8 Tech21 waterproof phone cases graded as of November 2026, level with the 85 out of 100 median for the 33 other waterproof phone cases brands graded alongside it.
Tech21 waterproof phone cases average Excellent on our four-band scale. 8 of the 8 we graded are worth buying. That is above 58% of the waterproof phone cases brands we grade.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
Tech21 waterproof phone cases worth buying Good or better, best-graded first
- polycarbonate and thermoplastic polyurethane (TPU)
- We found no PFAS statement from the brand
- TPU degradation and microparticle shedding, TPU can become brittle and shed microscopic particles after 3-5…
2 hazards checked on this product, all on its full breakdown.
- Thermoplastic TPE/rubber blend (presumed)
- We found no PFAS statement from the brand
- Elastomer degradation over time, TPE and rubber can soften, stain, or lose elasticity after 2-4 years of…
2 hazards checked on this product, all on its full breakdown.
- Thermoplastic polyurethane (TPU)
- We found no PFAS statement from the brand
- Volatile organic compound (VOC) off-gassing, TPU manufacturing can involve trace solvents or processing aids…
2 hazards checked on this product, all on its full breakdown.
Tech21
Evo Check for iPhone 13 Ultra-Protective Phone Case with 16ft Multi-Drop Protection
- Thermoplastic elastomer blend, likely TPE or similar polymer
- We found no PFAS statement from the brand
- Volatile organic compounds (VOC) off-gassing. New TPE cases may emit a faint plastic odor for the first few…
- Thermoplastic polyurethane (TPU) or silicone blend
- We found no PFAS statement from the brand
- Microplastic shedding from case degradation, TPU and silicone can shed microscopic particles if scratched…
2 hazards checked on this product, all on its full breakdown.
- Thermoplastic elastomer (TPE) blend, composition unspecified
- We found no PFAS statement from the brand
- Volatile organic compound (VOC) off-gassing, TPE blends may release minor VOCs during the first few weeks of…
3 hazards checked on this product, all on its full breakdown.
- Proprietary polymer blend
- We found no PFAS statement from the brand
- Volatile Organic Compound (VOC) off-gassing. Proprietary polymer blends may release trace VOCs, especially…
2 hazards checked on this product, all on its full breakdown.
- Thermoplastic polyurethane (TPU) blend
- We found no PFAS statement from the brand
- Phthalates. Some TPU formulations use phthalate plasticizers to enhance flexibility. Tech21 does not publicly…
2 hazards checked on this product, all on its full breakdown.
Better waterproof phone cases from other brands
Graded higher than the Tech21 average of 85.
- Flax fiber and plant-based resin blend, compostable
- A third party reports verifying it as PFAS-free
- Coating degradation and durability over time
2 hazards checked on this product, all on its full breakdown.
- plant-based bioplastic (flax and other plant fibers)
- A third party reports verifying it as PFAS-free
- Thermal degradation and warping
3 hazards checked on this product, all on its full breakdown.
- Plant-based bioplastic (compostable blend)
- A third party reports verifying it as PFAS-free
- Bioplastic degradation and microparticle shedding
The same question, asked of the other waterproof phone cases brands
Best average grade first. Tech21 averages 85.
See every Tech21 product we grade on the Tech21 brand page, or the full waterproof phone cases ranking.