Sanlin White Film Permanent Bag Sealing Tape

Product Overview

Sanlin’s White film Permanent Bag Sealing Tape is engineered for secure, tamper evident sealing of courier, express bubble mailers, cooler bags and security pouches. Featuring a multi layer composite film (PEPA/BOPP/PET ) bonded with hot mel , it delivers ultra high initial tack (≥900 g/in) and 24 hour holding power across –50 °C to +70 °C. Once applied, the seal cannot be opened without tearing the bag—guaranteeing package integrity from warehouse to doorstep.

Key Features

Tamper Evident Security: Seal tears the bag film on attempted opening, deterring theft and fraud.

Ultra High Adhesion: ≥900 g/in initial tack; holds reliably up to 24 hours under load.

Temperature & Climate Resistance: Stable performance in –70 °C to +70 °C environments—ideal for cold chain and hot climates.

Easy Peel Finger Lift Liner: Patented embossed liner design for smooth, one step liner removal.

Durable Composite Film: PEPA/BOPP/PET layers resist moisture, puncture and UV exposure.

Customizable Specifications: Widths from 10 mm to 55 mm; lengths from 500 m pancakes to 5,000 m spools; inner cores: 3″ or 6″.

Applications

Courier & Express Bags (e.g., DHL, FedEx, UPS)

Bubble Mailers & Heavy Duty Packaging

Insulated Cooler Bags for seafood, pharmaceuticals & perishables

Security Pouches & Tamper Evident Envelopes

Magazine Mailing Bags & Promotional Kit