Kraft Paper Tape

Kraft Paper Tape is a sustainable carton sealing tape made from natural kraft paper backing coated with either a water-activated starch adhesive (gummed tape) or a pressure-sensitive adhesive (hot-melt / acrylic / rubber). It delivers a strong, tamper-evident bond to corrugated cardboard while remaining plastic-free, recyclable, and biodegradable — the preferred choice for brands moving toward eco-conscious packaging.

Available in plain, reinforced (with fiberglass yarn), printed, and self-adhesive variants, kraft paper tape works on both manual packing benches and automatic case sealers.

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Detailed Introduction

Features：

Plastic-Free & Recyclable: Paper backing and starch/rubber adhesive break down naturally; cartons can go straight into cardboard recycling streams.
Tamper-Evident Seal (WAT): Water-activated starch adhesive penetrates cardboard fibers as it dries, forming a destructive bond — any attempt to open the box tears the tape and the carton face.
Reinforced Option: Fiberglass-reinforced grades dramatically raise MD tensile strength for heavy, stacked, or long-haul shipments.
Strong Carton Bond: Binds to virgin and recycled board, dusty or slightly soiled surfaces better than many BOPP tapes.
Writable & Printable: Surface accepts pens, stamps, and flexographic printing — ideal for logos, slogans, or handling instructions.
Hand-Tearable: Most grades tear cleanly by hand; no cutter needed for manual stations.
Brand-Aesthetic: Natural brown or white kraft finish gives a rustic, premium, "unboxing-friendly" look for DTC brands.

Applications：

E-Commerce & DTC: Branded, plastic-free sealing for subscription boxes and retail parcels.
Warehouse & Logistics: Carton closure on automated lines (WAT dispensers or PSA case sealers).
Food & Pharmacy: Clean paper-based seal compatible with hygiene-sensitive supply chains.
Export & Freight: Reinforced WAT tape for long-haul, high-humidity, stacked transit.
Office & Retail: Light carton closing, gift wrapping, archive box sealing.
Sustainable Branding: Replace BOPP with kraft tape to support "100% recyclable packaging" claims.

Technical Specifications

Parameter	Typical Range
Backing Material	Kraft paper (brown or white)
Paper Weight	70 – 140 gsm (common: 82 / 90 / 100 gsm)
Adhesive Type	Starch (WAT) / Hot-melt / Acrylic / Rubber
Reinforcement	None (plain) or fiberglass yarn (MD / MD+CD)
Total Thickness	0.11 – 0.18 mm (plain); 0.13 – 0.20 mm (reinforced)
Width	12 mm – 1000 mm (common: 48 mm / 50 mm / 60 mm / 72 mm)
Length per Roll	20 m – 100 m (self-adhesive); 100 m – 600 m (WAT)
Core Size	1" (25 mm) or 3" (76 mm)
Tensile Strength (MD)	Plain: 90 – 220 N/25mm; Reinforced: 250 – 320 N/25mm
Tensile Strength (CD)	Plain: 50 – 95 N/25mm; Reinforced: 90 – 130 N/25mm
Peel Adhesion (Steel)	Self-adhesive: ≥ 4 N/25mm
Service Temperature	WAT: -5°C to +70°C; Hot-melt: -5°C to +60°C; Acrylic: -10°C to +80°C
Color	Natural brown, white, or custom-printed
Compliance	FSC®, RoHS, REACH, ISO 9001 (select grades)

Customization:

Printing: 1–4 color flexo printing — logo, URL, social handle, QR code, handling text.
Paper Color: Natural brown, bleached white, black kraft, or custom tint.
Adhesive Choice: Starch (WAT), hot-melt, acrylic, or rubber to match machine or manual use.
Reinforcement: MD-only or MD+CD fiberglass yarn pattern.
Dimensions: Custom width, length, core, and roll winding (single or jumbo).
Private Label: Core print, outer carton branding, dispenser bundling.