B+W Review, Is B+W Non-Toxic?
Across 8 graded products, B+W averages Good (61/100). On disclosure, the brand says nothing publicly about PFAS. 3 of its products grade Good or better. Grades are model-based estimates, not lab results.
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.
Does B+W have PFAS, by category
Worth buying from B+W Good or better, best-graded first
B+W
67mm UV Haze Filter
Glass optic with multi-coated lens surfaces
Optical coating degradation
Multi-coated surfaces can degrade over decades of intense UV exposure or if exposed to…
Reduced concern; optical glass and standard coatings unlikely contain PFAS.
⚠Brand says nothing about PFAS
B+W
UV Haze 010 Filter
Optical glass lens with multi-coated optical surfaces
Reduced concern; optical glass filters rarely use PFAS.
⚠Brand says nothing about PFAS
B+W
Basic Clear Filter MRC
Optical glass, multi-coated
Optical coating degradation and scratching
The MRC coating can degrade with improper cleaning or storage, though this is a…
Reduced PFAS concern; optical glass filters rarely use PFAS-based coatings.
⚠Brand says nothing about PFAS
Graded and flagged Poor and Bad, we’d swap these
B+W
B&W B+W UV-Filter F-Pro 010 MRC 77
optical glass with multi-coated (MRC) lens coating
Manufacturing residues on coating surface
New optical filters may have light dust, oils, or manufacturing residue on the glass…
Optical glass filter with no PFAS disclosure; lower concern likely.
⚠Undisclosed proprietary coating
B+W
Master UV Haze MRC Nano Filter
Optical glass with MRC nano-coating
Nano-coating composition and leachable unknown
The MRC nano-coating is proprietary and B+W does not disclose whether fluorine-based or…
Glass breakage and sharp edges
Optical glass is fragile and can shatter if dropped or impacted. Broken edges pose a cut…
Optical glass filter, likely reduced PFAS risk; no brand disclosure available.
⚠Undisclosed proprietary coating
B+W
Basic UV Haze MRC Filter
Optical glass with multi-coated (MRC) lens coating
Coating delamination or wear
MRC coatings on budget filters may degrade with age or rough handling, but degradation…
Glass dust if broken
Broken filter glass presents a mechanical cutting and inhalation hazard similar to any…
Glass optics unlikely PFAS risk; coating composition undisclosed by brand.
⚠Undisclosed proprietary coating
B+W
Master Clear Filter MRC Nano
Glass with water-repellent nano-coating
Coating degradation over time
Water-repellent nano-coatings on optics can degrade with prolonged UV exposure, humidity…
PFAS
Water-repellent nano-coatings commonly use fluorochemistry; B+W has not confirmed or…
Glass base reduces concern; nano-coating composition undisclosed by brand.
⚠Waterproof or stain-proof treatment
B+W
XS-Pro Clear MRC-Nano 007 Filter
Optical glass with MRC-nano multi-resistant coating
Coating degradation and inhalation risk
If the MRC-nano coating flakes or degrades over extended use, microscopic particles could…
Unidentified coating additives
Multi-layer anti-reflective coatings often contain metallic oxides, silicon-based…
Camera filter coating composition unclear; no PFAS disclosure available.
⚠Waterproof or stain-proof treatment
B+W and PFAS, common questions
- Does B+W have PFAS?
- We graded 8 B+W products, averaging Good (61/100). 3 grade Good or better. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is B+W non-toxic?
- B+W 67mm UV Haze Filter is the highest-graded B+W product we have scored, at 85/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
- Which B+W products are lower concern for PFAS?
- The highest-graded B+W products we have scored are B+W 67mm UV Haze Filter, B+W UV Haze 010 Filter, B+W Basic Clear Filter MRC. That is our model-based estimate from materials and public disclosure, not a lab test.
- Which B+W products should I avoid?
- The lowest-graded B+W products we have scored are B+W XS-Pro Clear MRC-Nano 007 Filter, B+W Master Clear Filter MRC Nano, B+W Basic UV Haze MRC Filter. Each one links to the evidence behind its grade.
Every grade uses the same public rubric. How grades work →