PFAS25/ 100Poor
Overall17/ 100Bad
ProLine Self-Adhesive Kraft Paper Carton Box Sealing Packing Tape

· Grease-Resistant Deli & Butcher Paper

ProLine Self-Adhesive Kraft Paper Carton Box Sealing Packing Tape

Poor

Skip until coating and adhesive ingredients are disclosed.

Verdict · SkipKraft paper tape is low-toxicity for food contact, but unspecified adhesive and water-resistant coating warrant ingredient disclosure before regular food-box sealing.

This self-adhesive packing tape contains undisclosed coatings and adhesive formulations. Water and grease resistance point to possible PFAS treatment with no public ingredient information.

The better-graded swap

Idl Packaging White Butcher Paper 18" x 12000" Natural Butcher Paper Roll for Meat and Fish

IDL Packaging

Idl Packaging White Butcher Paper 18" x 12000" Natural Butcher Paper Roll for Meat and Fish

95/100 safety

95Excellent

Same rubric that flunked this product. The swap earned Excellent.

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

kraft paper with self-adhesive acrylic or synthetic adhesive, unspecified water-resistant coating

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.

75/ 100
♾️

No PFAS disclosure

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

85/ 100
♾️

Waterproof / stain-resistant treatment

Water-repellent coating treatments have historically used PFAS.

65/ 100
⚠️

Adhesive composition (unspecified synthetic or acrylic)

Self-adhesive tapes may contain residual solvents, plasticizers, or tackifiers; without ingredient disclosure from Sealing Strip, potential for low-level migration to food packaging surfaces cannot be ruled out, though risk is low under normal room-temperature storage.

70/ 100
🏷️

Water-resistant coating (likely wax, clay, or undisclosed)

The coating formulation is not disclosed; if PFAS-based (reviewed separately) or silicone-based, trace migration into food contact surfaces is theoretically possible. Even wax or clay coatings may contain processing contaminants if supplier standards are unknown.

70/ 100

What’s reassuring

⛏️

Heavy metals

Kraft paper tape typically contains minimal pigmentation, and acrylic adhesives do not commonly accumulate heavy metals. No recalls or public warnings for Sealing Strip brand on this hazard are on record.

Source, FDA
95/ 100
💨

Formaldehyde / VOCs

Kraft paper itself is not treated with formaldehyde resins; however, synthetic adhesives or water-resistant coatings could theoretically contain formaldehyde releasers if low-cost formulations are used. Sealing Strip provides no specification to confirm absence.

Source, ATSDR
95/ 100

Microplastic or adhesive particle shedding into food

Kraft paper is biodegradable and does not shed microplastics. Acrylic adhesives do not fragment under normal use. Risk is only relevant if tape is mechanically damaged or heated above design limits, releasing adhesive particles.

95/ 100

The full breakdown

What it's made of and why it matters

ProLine's tape consists of kraft paper (wood pulp, naturally low-toxicity) with a self-adhesive layer stated as acrylic or synthetic adhesive, plus an undisclosed water-resistant coating. Kraft paper itself does not leach harmful chemicals into food under normal conditions. However, the adhesive and coating formulations are critical, acrylic adhesives show lower concern, but synthetic adhesives may contain solvents or plasticizers; water-resistant coatings commonly use wax, clay, or PFAS compounds, and the brand has not disclosed which. Without ingredient transparency, the risk profile cannot be fully assessed.

The brand's record and disclosure

Sealing Strip brand maintains a silent posture on adhesive composition, food-safety certifications, and coating ingredients, no published safety data sheets, third-party testing, or NSF/FDA approval statements are on record. The brand does not publicly commit to PFAS avoidance, formaldehyde limits, or heavy-metal testing in adhesives or coatings. This lack of disclosure is the primary concern and indicates a lower compliance or transparency standard relative to major tape manufacturers (e.g., 3M, Shurtape) that publish technical specifications.

How it compares in its category

Kraft paper packing tape shows lower concern than PVC or polyester tapes for food contact because paper is inert. However, this product's advantage is undermined by the unknown adhesive and coating chemistry. Competitors like Shurtape and 3M offer food-safe, certified versions with disclosed adhesive types and published migration testing; Sealing Strip offers neither. For non-food industrial sealing, this tape poses minimal risk; for repeated direct food-box contact, certified alternatives are preferable.

If you buy it

Use this tape only on the exterior of food boxes, not in direct contact with food or food-contact surfaces. Avoid prolonged heat exposure (above 60°C/140°F), as synthetic adhesives may soften or off-gas. Replace if adhesive yellows, hardens, or loses tackiness, indicating aging of unknown chemical components. For sensitive food applications (organic, allergen-free, export-regulated), source a certified food-safe tape instead to eliminate guesswork.

What we don’t know

Basis
Model estimate, 42% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
has made none

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

Better-graded alternatives in Grease-Resistant Deli & Butcher Paper

Idl Packaging White Butcher Paper 18" x Natural Butcher Paper Roll for Meat and Fish

IDL Packaging

White Butcher Paper 18" x Natural Butcher Paper Roll for Meat and Fish

bleached paper, uncoated

PFAS Grade95Excellent
Overall Grade91Excellent
⚠️

Mold or microbial growth during storage

Limited concern

70

Brand PFAS statement on record, which we have not verified.

Starting grade for this product type

Idl Packaging White Butcher Paper 18" x 12000" Natural Butcher Paper Roll for Meat and Fish

IDL Packaging

White Butcher Paper 18" x 12000" Natural Butcher Paper Roll for Meat and Fish

bleached kraft paper, no specified coating

PFAS Grade95Excellent
Overall Grade87Excellent
⚠️

Ink or printing residue (if printed side contacts food)

Limited concern

70
⚠️

Mold or microbial growth during storage

Limited concern

70

Brand PFAS statement on record, which we have not verified.

Starting grade for this product type

If You Care Parchment Baking Sheets

If You Care

Parchment Baking Sheets

unbleached parchment paper, silicone coating

PFAS Grade90Excellent
Overall Grade82Excellent

Silicone coating degradation under heat stress

Limited concern

70
⚠️

Mold or microbial growth if stored damp

Limited concern

70

Brand no-added-PFAS claim and a 2021 lab result with no fluorine detected.

Lab test found no PFAS

More grease-resistant deli & butcher paper 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.