What is the standard roll length?

The standard specification is 500M per roll.

What is the structure of the tape?

It features a four-part structure: Release film, PET middle material, double sided adhesive, and a special part for easy tearing.

15mm Permanent Adhesive Tape for Self Seal Envelopes (SJ-HC158)

Name: 15mm Permanent Adhesive Tape for Self Seal Envelopes (SJ-HC158)
Brand: Yiwu Shuangjia Sealing Adhesive Tape Co., Ltd.
SKU: 691665802

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

US$6.35

20-499 Rolls

US$5.46

500-999 Rolls

US$4.62

1,000+ Rolls

Sample price:US$5.00/roll.Request sample

Product profile

Customization

Available

Color

White

Material

Pepa

Model NO.

SJ-HC158

Waterproof

Tape Width

15mm

Setting

Economic

Performance

High Tack

Users

Self Adhesive Bag Manufacturers

Market

North America,England

Transport Package

Carton

Specification

500M/Roll 10Roll/CTN

Trademark

Sunjia

Origin

Yiwu China

HS Code

39199090

Production Capacity

6000 Rolls Per Day

Key features

Permanent Hot Melt Adhesive: Provides a strong, permanent seal for various envelope types.

Customizable Roll Length: Roll length can be customized up to 3000M per roll.

Flexible Minimum Order: Accepts orders starting from 1 piece or hundred cartons.

Easy Tearing Design: Special part included for easy tearing without residue.

Four-Part Structure: Composed of release film, PET material, and double-sided adhesive.

Factory Direct Pricing: Direct contact from factory ensures origin factory prices.

Machine Cutting Friendly: Thin film design allows for easy automatic machine cutting.

Wide Application Range: Suitable for plastic bags, cardboard envelopes, and bubble pouches.

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.