Bag Sealing Tape for Plastic Bags

Champion Packing manufactures double-sided bag sealing tape for flexible packaging converters and plastic bag manufacturers. Our range includes resealable tape for retail and reusable packaging, plus permanent tape for courier, mailer and tamper-evident bags. Different constructions are available for PE, PP, OPP, HDPE and LDPE films, with custom tape widths, glue positions, liner designs, pancake rolls and long-run spools.

Resealable Bag Sealing Tape

Permanent Bag Sealing Tape

Resealable Bag Sealing Tape

Champion Packing offers Resealable Bag Sealing tape which is used for PP or PE plastic bag sealing,Our excellent adhesion sticks well on customer’s variety plastic bags,the operator tears the film,puts the content inside the bag ,then close the bag. It keeps the content prevent from the dust ,and keeps good condition in a sealing bag.and finally on the hand of user, user can open the bag ,and re-closed the bag again .usually , resealable bag sealing tape can be resealable over 10times because of the excellent adhesion. All Our PP Resealable Sealing Tape, PE Resealable Sealing Tape have passed strict SGS testing in accordance with IEC 62321 series standards.

View Resealable Bag Sealing Tape

How Resealable Bag Sealing Tape Works

See how the release liner is removed and how the bag can be opened and resealed during normal use.

Resealable Bag Sealing Tape Applications

Explore Resealable Tape Options

Permanent Bag Sealing Tape

Champion Packing offers permanent bag sealing tape , with strong power adhesion named hot melt adhesion , It is used for HDPE /LDPE plastic bag seal . Such as DHL , Fedex ,and other E-commerce plastic bag . The bags with our permanent bag sealing tape can’t be reopened until the bag damaged. It is a good solutions to prevent theft and maintain confidentiality .If you want to get the most out of our permanent bag sealing tape .please make sure you choose the right width of tape , and make sure corona treatment over 36dyne . A New application of our permanent bag sealing tape—–take-out Aluminum & woven bag. Our excellent hot melt adhesion is perfect sealing the bag , keep the food warm/cold,and lock in the taste. Even Durian have a good transportation bag ,right ? All our Permanent Sealing Tapehave passed strict SGS testing in accordance with IEC 62321 series standards

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How Permanent Bag Sealing Tape Works

See how the permanent adhesive creates a secure, one-time closure and visible evidence after the package is opened.

Permanent Bag Sealing Tape Applications

Explore Permanent Tape Options

Resealable vs. Permanent Bag Sealing Tape

Both products are double-sided sealing tapes used during plastic bag production, but they provide different opening performance. Choose the tape according to whether the package requires repeated access or a secure one-time closure.

Feature	Resealable Bag Sealing Tape	Permanent Bag Sealing Tape
Closure type	Opens and recloses multiple times	One-time, non-resealable closure
Opening result	Bag normally remains reusable	Bag or sealing area shows visible damage
Main purpose	Convenience and repeated access	Security and tamper evidence
Typical bag films	PP, OPP, PE and compatible films, depending on grade	Treated HDPE, LDPE and compatible films
Common applications	Apparel, stationery, food and retail bags	Courier bags, poly mailers and document bags
Adhesive performance	Controlled peel and reclosure	High initial tack and permanent hold
Available formats	Pancake rolls and long-run spools	Pancake rolls and long-run spools
Product page	View Resealable Tape	View Permanent Tape

Bag Film Compatibility

Bag material is one of the most important factors when selecting sealing tape. Film formulation, thickness, slip additives, printing, surface treatment and production temperature can all affect adhesion and liner-release performance.

Bag Film	Available Closure Options	Selection Notes
PP / OPP	Mainly resealable options	Select the tape series according to hot-cut temperature and required peeling performance
PE / LDPE	Resealable or permanent	Choose according to whether repeated opening or tamper evidence is required
HDPE	Mainly permanent closure	Surface treatment and adhesion testing are important
CPP / CPE	Project-specific resealable options	Confirm film formulation, thickness and cutting conditions
PLA	Project-specific	Test adhesion and processing temperature before production
Laminated films	Custom selection	Provide the complete film structure and samples for evaluation

Application Case: Matching Bag Sealing Tape to Different Packaging Requirements

A flexible packaging converter contacted Champion Packing for sealing tape used on two different plastic bag applications. One bag required convenient repeated opening for retail packaging, while the other required a secure, one-time closure for shipping.

Customer Requirements

The customer needed:

Resealable closure for retail product bags
Permanent closure for courier and mailing bags
Smooth release-liner removal
Stable adhesion during storage and transportation
Compatibility with the existing bag-making equipment

Although both products used plastic films, their closure requirements and opening performance were completely different.

The Challenge

During the initial evaluation, the resealable tape showed inconsistent peeling on the customer’s retail bag film. For the courier bag, the original permanent tape did not provide sufficient adhesion after sealing.

The performance differences were related not only to tape width, but also to the bag-film structure, surface treatment, adhesive position, cutting temperature and production-line conditions.

Our Recommendation

After reviewing the bag samples and application requirements, our team recommended:

A controlled-peel resealable tape for the retail bags
A high-tack permanent tape for the courier bags
An adjusted adhesive position to match the bag-opening direction
A suitable roll format for the customer’s production line

Samples were supplied for testing on the customer’s actual bag materials before bulk production.

Test Outcome

The revised resealable tape provided smoother liner removal and more consistent reopening performance. The permanent tape created a stronger one-time closure and visible evidence after opening.

This project demonstrated that bag sealing tape should be selected according to the complete packaging structure and production conditions—not only by tape width.

Project Item	Retail Packaging Bag	Courier Bag
Closure requirement	Repeated opening and closing	One-time secure closure
Recommended product	Resealable bag sealing tape	Permanent bag sealing tape
Main evaluation points	Peel strength, residue and liner release	Initial tack, permanent hold and tamper evidence
Tape format	Pancake roll or spool	Pancake roll or spool
Validation method	Testing on the actual bag film	Testing on the actual bag film

Have a Similar Bag-Sealing Requirement?

Send us your bag material, film thickness, surface-treatment information, tape width and production-line conditions. We will recommend a suitable tape construction for sample testing.

Why Choose Champion as Your Bag Sealing Tape Manufacturer?

10+ Years of Bag Sealing Experience

On bag sealing tape ,we can provide many solutions for your bag case

Custom Tape Constructions

Tape width, adhesive width, glue direction, release liner, printing, paper core, pancake-roll length and spool format can be customized for different packaging programs.

Sample Testing and Quality Control

Samples can be tested on your actual bag film before bulk production to confirm adhesion, liner release, cutting performance and final opening behavior.