34Poor

Uline Review, Is Uline Non-Toxic?

Across 5 graded products, Uline averages Poor (34/100). On disclosure, the brand says nothing publicly about PFAS. 1 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.

Worth buying from Uline Good or better, best-graded first

ULINE Butcher Paper Sheets

Uline

Butcher Paper Sheets

kraft paper, bleached or unbleached

PFAS Grade70Good
Overall Grade58Good
⚠️

Chlorine residue from bleaching

Bleached kraft paper may retain trace chlorine compounds from the pulping process. For…

70
⚠️

Wet-strength chemical additives

Some kraft paper manufacturers use synthetic wet-strength resins or PFAS-based compounds…

70
⚠️

Mold or bacterial growth if stored wet

Kraft paper is hygroscopic and absorbs moisture; if stored in damp conditions, mold or…

70

Lower risk, but manufacturer doesn't address PFAS status.

Starting grade for this product type

Graded and flagged Poor and Bad, we’d swap these

ULINE Butcher Paper Roll

Uline

Butcher Paper Roll

kraft paper, likely wax or silicone-based coating

PFAS Grade25Poor
Overall Grade17Bad
🍳

Unidentified coating leachables

Deli King does not disclose whether the grease-resistant coating is wax, silicone, or…

70
⚠️

Mineral oil or silicone migration

If the coating contains food-grade mineral oil or silicone polymers (common in butcher…

70

Standard butcher paper with unknown coating.

Waterproof or stain-proof treatment

ULINE Reinforced Kraft Tape

Uline

Reinforced Kraft Tape

kraft paper with adhesive; water-resistant coating unspecified

PFAS Grade25Poor
Overall Grade17Bad
♾️

PFAS

Water-resistant kraft tape coatings often use PFAS for repellency. Sealing Strip does not…

70
🫧

Coating degradation and particle shedding

Water-resistant coatings can crack, peel, or shed microparticles under stress or aging.…

70

Skip. Undisclosed water-resistant coating suggests possible PFAS use.

Waterproof or stain-proof treatment

ULINE Glassine Paper Rolls

Uline

Glassine Paper Rolls

Glassine paper with moisture/grease barrier coating

PFAS Grade25Poor
Overall Grade13Bad
🏷️

PFAS

Glassine coatings commonly use PFAS "forever chemicals" (PFAS) or fluorochemical-free…

70
🍳

Mineral oil or paraffin migration from coating

Some glassine coatings incorporate food-grade mineral oil or hydrocarbon waxes for grease…

70
🫧

Coating degradation and particle shedding

Glassine coatings can crack or flake if rolled tightly, exposed to moisture, or heated…

70

Skip until brand discloses coating composition and PFAS status.

Waterproof or stain-proof treatment

ULINE Compostable Hinged Containers

Uline

Compostable Hinged Containers

Molded fiber/cardboard with grease-resistant coating

PFAS Grade25Poor
Overall Grade0Bad
♾️

PFAS

Molded-fiber food packaging typically uses fluorochemical coatings for grease resistance.…

20
🫧

Coating degradation and microparticle release

Molded fiber coatings can wear, crack, or shed particles over time, especially if flexed…

70
💨

Formaldehyde / VOCs

Industrial molded-fiber production sometimes uses formaldehyde-based binders or resins.…

70
🏷️

Lack of transparency enabling informed choice

The brand's silence on coating composition is a documented gap in disclosure standards…

45

Avoid until the brand reveals what makes it grease-resistant.

Waterproof or stain-proof treatment

Uline and PFAS, common questions

Does Uline have PFAS?
We graded 5 Uline products, averaging Poor (34/100). 1 grade Good or better. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
Is Uline non-toxic?
ULINE Butcher Paper Sheets is the highest-graded Uline product we have scored, at 70/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
Which Uline products are lower concern for PFAS?
The highest-graded Uline products we have scored are ULINE Butcher Paper Sheets. That is our model-based estimate from materials and public disclosure, not a lab test.
Which Uline products should I avoid?
The lowest-graded Uline products we have scored are ULINE Compostable Hinged Containers, ULINE Glassine Paper Rolls, ULINE Reinforced Kraft Tape. Each one links to the evidence behind its grade.

Every grade uses the same public rubric. How grades work →