LEM Review, Is LEM Non-Toxic?
Across 6 graded products, LEM 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 LEM Good or better, best-graded first
LEM
15" Freezer Paper Cutter
stainless steel blade, bare metal construction
Blade degradation and metal particle shedding
With age and use, stainless steel blades may develop microscopic wear particles if the…
Food residue entrapment in joints
If the cutter is used to cut frozen food-contact paper in damp conditions, water and…
Lower concern. Bare metal tool with no coatings identified.
⚠Starting grade for this product type
Graded and flagged Poor and Bad, we’d swap these
LEM
Patty Maker Paper
Paper with unspecified water/grease-resistant coating
Coating leachables (unspecified composition)
The water and grease-resistant coating is not chemically disclosed by LEM. If it contains…
Heat degradation of coating
Stability and decomposition temperature of LEM's proprietary coating are not specified.…
Skip until brand discloses coating chemistry and PFAS status.
⚠Waterproof or stain-proof treatment
LEM
Freezer Paper
paper with grease-resistant coating
Grease-resistant coating leaching (unidentified chemistry)
LEM does not disclose whether the coating is PFAS-based, paraffin, or fluorocarbon-free.…
Adhesive or coating degradation over time
Freezer conditions (repeated thaw cycles, moisture, temperature swings) can weaken the…
Lack of food-contact certification
LEM freezer paper carries no visible FDA, NSF, or third-party food-contact certification…
Freezer paper likely has water/grease treatment; PFAS risk unclear without disclosure.
⚠Waterproof or stain-proof treatment
LEM
Freezer Sheets
bleached paper or cellulose-based sheet with water/grease resistance coating
PFAS
Aqueous or silicone coatings may migrate minimally into fatty foods (oils, butter, fatty…
Freezer sheets likely use aqueous/silicone coating; coating source unclear.
⚠Waterproof or stain-proof treatment
LEM
Freezer Sheets
plastic film, likely polyethylene or polypropylene with moisture barrier coating
Microplastic release or degradation
Freezer sheets are stable at cold temperatures. Risk emerges if sheets are reused…
Moisture-barrier coating migration into food
If the barrier coating contains fluorinated compounds or other slip agents, prolonged…
Coating degradation and leachate from thawed condensation
When frozen foods thaw or condensation forms on sheets during temperature cycling…
Freezer wrap coating likely contains PFAS, but specifics unknown.
⚠Waterproof or stain-proof treatment
LEM
Freezer Paper
Paper with polymer coating (grease-resistant layer)
PFAS
Freezer paper coatings historically use fluorinated compounds for water and grease…
Polymer coating degradation and microplastic shedding
Freezing and thawing cycles can embrittle synthetic coatings over time, particularly…
Thermal instability if misused for cooking
Freezer paper is not rated for oven or stovetop use. Direct heat can cause polymer…
Freezer paper likely contains PFAS in water-resistant coating.
⚠Waterproof or stain-proof treatment
LEM and PFAS, common questions
- Does LEM have PFAS?
- We graded 6 LEM 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 LEM non-toxic?
- LEM 15" Freezer Paper Cutter is the highest-graded LEM product we have scored, at 80/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
- Which LEM products are lower concern for PFAS?
- The highest-graded LEM products we have scored are LEM 15" Freezer Paper Cutter. That is our model-based estimate from materials and public disclosure, not a lab test.
- Which LEM products should I avoid?
- The lowest-graded LEM products we have scored are LEM Freezer Paper, LEM Freezer Sheets, LEM Freezer Sheets. Each one links to the evidence behind its grade.
Every grade uses the same public rubric. How grades work →