PFAS85/ 100Excellent
Overall73/ 100Good
Nikon WP-CP3 Marine Case for Camera

Nikon · Waterproof Camera & Lens Protection Cases

Nikon WP-CP3 Marine Case for Camera

Excellent

No coating described, and no PFAS statement from the brand.

Verdict · BuyPolycarbonate/rubber case with no identified chemical hazards; waterproof design relies on seals, not coatings.

The product information we reviewed describes polycarbonate/rubber with waterproof seals, with no water-repellent coating named. Water resistance on products like this usually comes from the material and its seals rather than a surface treatment. The brand has published no PFAS statement for it.

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We flunk more products than we pass. This one earned its grade. How we grade

Material

Polycarbonate/rubber with waterproof seals

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

What’s concerning

♾️

Category baseline

The starting point for this type of product, before anything specific to this product is counted.

90/ 100
♾️

No PFAS disclosure

No public statement from the brand about PFAS in this product.

85/ 100

Polycarbonate degradation over time

Polycarbonate can become brittle and lose optical clarity after prolonged UV exposure or thermal cycling. This affects waterproof integrity only if the rigid body cracks; it does not release chemicals into the stored equipment.

70/ 100
⚠️

Rubber gasket hardening and seal failure

Natural and synthetic rubber seals gradually harden with age and exposure to heat or ozone, reducing waterproof effectiveness. This is a functional failure mode, not a chemical toxicity issue, but replacement gaskets are required to maintain protection.

70/ 100
⚠️

Microbial growth in sealed moisture pockets

If the case is closed while wet or stored in high humidity, trapped moisture can support mold and bacterial growth on internal surfaces. This poses no direct chemical hazard but can damage equipment and create odors; regular drying is the simple prevention.

70/ 100

What’s reassuring

Base material not linked to PFAS

The main material recorded for this product is not one associated with PFAS.

100/ 100
🍼

BPA & bisphenols

BPA does not migrate from polycarbonate at room temperature during typical protective case use. No heating, acidic contact, or repeated flexing occurs in a rigid protective case, so leaching risk is negligible.

Source, FDA
95/ 100
💨

Formaldehyde / VOCs

No formaldehyde-based curing resins or volatile plasticizers are known to be present in modern camera case gaskets. Off-gassing, if any, occurs during initial manufacturing and dissipates long before retail purchase.

Source, ATSDR
95/ 100

The full breakdown

What it's made of and why it matters

The WP-CP3 is constructed from polycarbonate (a rigid plastic) paired with rubber seals and gaskets. Polycarbonate itself does not leach BPA under normal storage conditions when used as a protective case at room temperature, since it is not in direct food contact and not heated during use. The rubber components (seals, gaskets) are inert when dry and do not off-gas volatile organic compounds at ambient conditions.

The brand's record and disclosure

Nikon has not published formal chemical safety disclosures or materials certifications for this product line. The company does not advertise PFAS avoidance or third-party safety testing for protective cases. This silence reflects typical industry practice for protective gear rather than a documented safety concern, but transparency is limited.

How it compares in its category

Polycarbonate hard cases are the standard material in waterproof camera protection. This choice avoids known concerns with vinyl (phthalate softeners) and PVC alternatives. The sealed design with mechanical gaskets, rather than waterproof coatings, eliminates exposure to Teflon-type coating or Teflon-family coating treatments common in textiles and some other case types.

If you buy it

Keep seals and gaskets clean and dry when not in use to prevent mold and bacterial growth in trapped moisture. Do not expose the case to extreme heat (above 60 degrees Celsius) for extended periods, as polycarbonate can degrade and become brittle. Inspect gaskets annually for cracks or hardening; replace them if visible wear appears. The case itself should last many years if stored in a cool, dry location away from direct sunlight.

What we don’t know

Basis
Model estimate, 45% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Nikon has made none

Formulations change between production runs, so check the current label. How we grade.

More waterproof camera & lens protection 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.