How is the tape used?

It is primarily used on machines to seal bags automatically.

20mm Permanent Self Seal Envelopes Double Sided Adhesive Tape

Name: 20mm Permanent Self Seal Envelopes Double Sided Adhesive Tape
Brand: Yiwu Shuangjia Sealing Adhesive Tape Co., Ltd.
SKU: 692080852

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

US$10.77

1,000-4,999 Rolls

US$10.25

5,000-7,999 Rolls

US$9.22

8,000+ Rolls

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Tissue Structure

4 Layers

Protect Film

White Color Pepa Film

Model NO.

SJ-HC2012

Tape Width

20mm

Hot Melt Glue

12mm

Acrylic Glue

17mm

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

Permanent Self Seal: Hot melt adhesive ensures permanent seal for mailing bags and envelopes.

Customizable Length: Roll length can be customized up to 3000M to meet specific needs.

Easy Tearing Design: Special part allows for easy tearing after closing in a few minutes.

No Residue Formula: Adhesive leaves no degum or residue, keeping surfaces clean.

Machine Compatible: Thin film structure is easy for automatic machine cutting and sealing.

High Tack Performance: Features high tack acrylic glue for secure bonding on various bags.

Flexible MOQ: Low minimum order quantity starting from 1 piece or hundred cartons.

Factory Direct Price: Direct contact from factory ensures origin factory pricing without resellers.

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.