What materials are used in the construction?

It features a 4-layer structure with white pearlized film, PET middle material, and double-sided adhesive.

How does the tamper-evident feature work?

When the bag is opened after closing, the film is destroyed, making it clear that the seal has been broken.

High Tack Tamper Evident Seal for Bubble Mailer (SJ-HC126)

Name: High Tack Tamper Evident Seal for Bubble Mailer (SJ-HC126)
Brand: Yiwu Shuangjia Sealing Adhesive Tape Co., Ltd.
SKU: 691942892

Zhejiang, ChinaYiwu Shuangjia Sealing Adhesive Tape Co., Ltd.

US$6.80

1,000 Rolls

Product profile

Customization

Available

Type

Double-side Tape

Material

Pearlized Film

Model NO.

SJ-HC126

Adhesive

Hot Melt Glue

Color

White

Tissue Structure

4 Layers

Protect Film

White Color Pepa Film

Tape Width

12mm

Hot Melt Glue

6mm

Acrylic Glue

10mm

Middle Basic Material

Pet

Setting

Economic

Performance

High Tack

Users

Self Adhesive Bag Manufacturers

Market

North America,United Kingdom

Transport Package

Carton

Specification

500M/Roll

Trademark

Sunjia

Origin

Yiwu China

HS Code

39199090

Production Capacity

6000 Rolls Per Day

Key features

High Tack Permanent Seal: Hot melt adhesive ensures strong, permanent sealing for bubble mailers and security bags.

Tamper Evident Design: Destroys mailing bag film upon opening, providing clear evidence of unauthorized access.

Machine Compatible: Thin film structure allows for easy automatic cutting and sealing on production machines.

No Residue Application: Special adhesive formula prevents degumming and leaves no sticky residue on surfaces.

Customizable Dimensions: Tape width and roll length can be customized to specific client requirements.

Factory Direct Pricing: Direct contact from manufacturer eliminates resellers for competitive origin pricing.

Flexible MOQ Options: Accepts flexible minimum orders starting from one piece up to full containers.

Multi-Layer Structure: Four-part construction includes release film, PET core, and double-sided adhesive.

Company profile

Importers and ExportersYears of Export ExperienceSelf-brandedPatents Awarded

Yiwu Shuangjia Sealing Adhesive Tape Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Flexible customization CertifiedExport Year: 15 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤24h CertifiedTerms of Payment: T/T, D/P, LC

AI-Powered supplier vetting

SummaryThe supplier operates a single production line at a stated factory in Yiwu, Zhejiang, with film blowing, coating, slitting, and sealing equipment. It reports annual output of 5 billion boxes of permanent bag sealing tape, 100% finished-product inspection, 15 quality assurance and control inspectors, and flexible customization. However, it has fewer than five experienced R&D engineers, no available SDK, no raw-material traceability, and no valid manufacturing-capacity contract with related subcontractors. Service procedures for supplier assessment, corrective actions, and complaints exist but lack written records. The supplier has inventory capability and 15 years of export experience, but no overseas warehouse, showroom, agent, branch, or offline trade-show participation. Financial data is identified only by year and does not provide sufficient evidence for credibility assessment.

Supplier typeThe supplier has a defined factory location, one production line, manufacturing equipment, and its own quality-control capability, indicating a manufacturer rather than a purely trading entity. However, no valid manufacturing-capacity contract exists with related subcontractors, and no outsourcing SOP is established.

R&D capabilityThe supplier reports fewer than five experienced R&D engineers and no available SDK, which explicitly limits evidence of software-development or advanced R&D capability. It does offer flexible customization, but that alone does not establish strong innovation capability.

Production capacityThe supplier reports one production line, stated film-blowing, coating, slitting, and sealing equipment, and annual output of 5 billion boxes of permanent bag sealing tape. It also reports inventory capability and 100% finished-product inspection, but lacks continuous batch quantity reconciliation and has no valid manufacturing-capacity contract with related subcontractors.

Customization capabilityThe supplier explicitly states that it provides flexible customization and has multiple relevant processing machines, supporting the existence of product customization capability.