Nanuk · Waterproof Camera & Lens Cases
NANUK 935 Pro Photo Kit
Lower concern. Hard case likely PP; no water-repellent coating confirmation needed for rigid shell.
NANUK 935 is a rigid polypropylene protective case with rubber gasket seals for waterproofing. No PFAS disclosures found; standard hard cases typically avoid PFAS, but manufacturer silence leaves minor uncertainty.
The safe swap
GoPro
GoPro Mission 1 Protective Housing
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
polypropylene hard case with waterproof gasket seals
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
The Nanuk 935 is injection-molded polypropylene (PP), a thermoplastic chosen for rigidity, impact resistance, and chemical inertness. PP is one of the safer rigid plastics: it does not leach BPA, phthalates, or other endocrine disruptors under normal use. The waterproof gasket seals are typically rubber or silicone compounds; these are stable and not known to off-gas volatile compounds at room temperature.
The brand's record and disclosure
Nanuk is a Canadian hard-case manufacturer with no established history of chemical safety disclosures, certifications (e.g., ISO, GOTS), or recall actions related to material hazards. The brand's silence on PFAS and material composition is typical for the category but represents a lack of transparency rather than a known problem. No credible reports of toxicity or off-gassing have surfaced in consumer feedback or media.
How it compares in its category
Hard protective cases (Pelican, Storm Case, Nanuk) are generally considered safer than soft fabric luggage or foam-lined alternatives, which can contain flame retardants or formaldehyde resins. Polypropylene shells are more inert than ABS or polycarbonate alternatives. The main trade-off is that rigid cases are less recyclable and heavier; chemical safety is not a differentiation point in this segment.
If you buy it
Store in a dry, well-ventilated space; no special precautions needed for the case itself. Avoid prolonged exposure to direct sunlight or temperatures above 60°C (140°F), as polypropylene can soften and warp but will not off-gas toxins. Check and rinse gasket seals annually to prevent mold or bacterial growth in the seal channels. Replace the case if cracks or stress fractures appear, as they compromise the waterproof integrity.
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.”
Polypropylene thermal degradation
PP is stable at room temperature and typical storage conditions; no off-gassing of volatile organic compounds (VOCs) or monomers is documented for this product line.
Gasket material leaching
Rubber and silicone gasket seals are chemically inert in contact with air and dry storage environments; no established leaching into food or sensitive items is reported.
Microbial/bacterial growth in seals
Waterproof gasket channels can accumulate moisture and trap organic matter if not rinsed periodically, creating conditions for mold or bacterial biofilm; this is a maintenance issue, not a material hazard.
Impact-induced particulate release
Polypropylene does not brittle-fracture into sharp microplastics; cracks are typically large and contained within the case structure.
Heavy metal pigments or additives
No credible reports exist of cadmium, lead, or antimony colorants in Nanuk cases; polypropylene injection molding uses FDA-compliant pigment packages for consumer hard goods.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 62% 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 Camera & Lens Cases
GoPro
Mission 1 Protective Housing
Polycarbonate and silicone housing, lens glass
Lower concern. Standard action camera housing with minimal PFAS risk.
⚠Brand says nothing about PFAS
More waterproof camera & lens 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.