Product Introduction
Shenzhen Sealtape Security Technik Co., Ltd. (SST) is a specialized industrial manufacturer and direct OEM/ODM exporter of high-grade security packaging materials, established in 2003 in Longgang District, Shenzhen. With over two decades of coating engineering, clean-environment converting lines, and testing laboratories, SST manufactures high-performance tamper-evident materials for global electronics OEMs, pharmaceutical serialization packaging lines, and tier-1 corporate clients including Bank of China, China Construction Bank, Audi, and Volkswagen.
In luxury retail, consumer electronics, and pharmaceutical packaging, standard opaque red or blue tamper tapes are often unacceptable because they conceal critical brand artwork, regulatory text, or serialized QR/data-matrix codes. Our Clear Tamper Evident Tape resolves this challenge by offering crystal-clear transparency upon initial application, preserving package aesthetics while allowing automated optical scanners to read underlying barcodes without interference. However, the moment an unauthorized party attempts to lift or peel the tape, an irreversible, high-contrast "VOID" or "OPENED" warning pattern forms instantly within the clear film. For B2B packaging engineers and brand protection managers, sourcing directly from SST provides an uncompromised balance between retail visual presentation and strict anti-tampering protection.
Product Features
-
High-Clarity Optical Transmission for Barcode & QR Readability
Our clear security tape utilizes a premium optical-grade polyester (PET) base film delivering greater than 90% light transmittance with minimal surface haze. This optical clarity ensures that automated vision inspection systems, handheld laser scanners, and smartphone cameras can instantly read high-density 2D data-matrix codes and tracking labels directly through the sealed tape without optical distortion or glare reflections.
-
Covert "Stealth" Tamper-Evident Reveal
Before opening, the tape functions as a discreet, glossy protective seal that blends seamlessly onto printed folding cartons or clear plastic clamshells. Upon the slightest peeling attempt, an engineered internal release layer fractures, converting the transparent interface into an irreversible, high-contrast frosted white or silver warning text. This sudden visual transformation provides immediate, undeniable proof of tampering to retail clerks and end consumers.
-
Zero-Residue Non-Transfer Technology for Premium Boxes
For luxury perfumery, smartphone presentation boxes, and reusable instrument cases where sticky glue residues ruin the user unboxing experience, we engineer Non-Transfer Clear Tamper Tape. When opened, the full "VOID OPENED" text appears cleanly inside the lifted tape carrier, leaving the underlying coated carton or lacquered surface completely dry, smooth, and free of tacky residue. -
Anti-Static Surface Coating for Cleanroom & Automated Applicators
To support high-speed automated packaging lines, our clear tamper tape undergoes an anti-static surface treatment during the slitting process. This prevents static buildup that attracts airborne dust onto glossy retail boxes, while ensuring smooth, chatter-free dispensing through automatic box-sealing and corner-labeling equipment at speeds up to 60 units per minute. -
Surface-Safe Non-Transfer Options for Reusable Containers
For aerospace components, high-end consumer luxury shipping crates, or reusable plastic distribution totes (ALCs) that must remain clean after inspection, we engineer specialized Non-Transfer Tamper Proof Tape. The VOID warning appears instantly across the face of the peeled tape itself while leaving zero tacky adhesive residue on the container surface, eliminating cleaning costs.
💡 Expert Perspective
Why Optical Haze and Coating Cohesion Matter in Clear Security Tape Sourcing
"Many packaging managers mistakenly assume that clear tamper-evident tape is simply standard VOID tape made without colored pigments. In industrial practice, clear security film is significantly more challenging to manufacture. If the adhesive coating lacks molecular cohesion, microscopic air pockets form during application, resulting in a cloudy or 'milky' haze that causes automated barcode readers on sorting lines to misread. Furthermore, if the release differential between the hidden pattern and the face film is off by even 5%, the VOID text will show 'ghosting'-prematurely revealing the message under direct warehouse lighting. At SST, we utilize clean-room coating lines and precision slot-die heads to ensure an ultra-smooth 22-micron adhesive layer with zero optical aberration. For B2B procurement teams, always require an optical haze rating below 3% and verify scan-through reliability on your actual production scanners before signing off on bulk orders."
- Senior Optical Coating Engineer, Shenzhen Sealtape Security Technik Co., Ltd.
Product Specifications
|
Item Parameter |
Technical Specification & Test Standards |
|
Product Model |
SST High-Clarity Clear Tamper Evident Tape |
|
Manufacturer |
Shenzhen Sealtape Security Technik Co., Ltd. (Est. 2003) |
|
Carrier Base Film |
25μm / 36μm / 50μm Optical-Grade Transparent Polyester (PET) |
|
Optical Transmittance |
≥ 90% (ASTM D1003 Standard) |
|
Surface Haze |
≤ 3.0% (Guarantees zero interference with 1D/2D barcodes) |
|
Adhesive Chemistry |
High-Clarity Solvent Acrylic Pressure-Sensitive Adhesive |
|
Tamper Transfer Style |
Non-Transfer (Leaves surface clean) or Total Transfer (Frosted residue) |
|
Hidden Pattern Text |
Stock "VOID", "OPENED", or Custom Micro-Text / Corporate Logo |
|
Standard Roll Dimensions |
Width: 15mm, 20mm, 25mm, 30mm, 50mm; Length: 50m, 100m, 500m |
|
Service Temperature |
Application: +15°C to +35°C; Operational: -30°C to +75°C |
|
Environmental Compliance |
REACH (EC 1907/2006), RoHS Directives, SGS Non-Toxic Tested |
|
Shelf Life & Storage |
12 Months at 20°C–25°C and 50% RH in Original Sealed Packaging |
Our Factory
Our Certificate
FAQ
Q: Will this clear security tape interfere with our warehouse barcode and QR code scanners?
A: No. Our tape is engineered specifically with optical-grade PET and high-clarity acrylic adhesive with an optical haze rating under 3%. Laser scanners, LED image scanners, and mobile devices can easily read 1D barcodes and high-density 2D data-matrix codes directly through the tape without glare interference or focal distortion.
Q: What is the primary operational difference between Non-Transfer and Total Transfer clear tape?
A: Non-Transfer clear tape is designed for high-value retail packaging, luxury cosmetic cartons, or electronic devices where the customer demands a pristine, residue-free unboxing experience; the "VOID" text displays entirely within the peeled tape. Total Transfer is designed for corrugated boxes or tamper-evident security bags where you want an indelible, frosted white "VOID" text left permanently on the packaging surface to provide irreversible legal evidence.
Q: Can we customize the hidden message with our corporate logo while keeping the tape completely clear?
A: Yes. We can customize the gravure release cylinder to incorporate your brand logo, specialized warning phrases, or multi-language security text. Before opening, the tape remains virtually transparent; upon peeling, your proprietary logo or custom warning pattern turns opaque and stands out with sharp contrast.
Q: Can this clear tape be applied using standard automatic carton labeling machines?
A: Yes. We supply precision-slit machine rolls wound onto standard 3-inch (76mm) clean plastic cores with silicone-coated differential release liners or self-wound tape with consistent unwind tension. The anti-static formulation prevents tape twisting and web misfeeds on continuous packaging machinery.
Q: What is your standard factory lead time and sample availability for international orders?
A: We provide free stock sample rolls for automated scanning and adhesion validation on your packaging materials. Custom slit widths or proprietary hidden-text tooling typically require 10–14 business days from our Shenzhen manufacturing plant.
Hot Tags: Clear Tamper Evident Tape, China, suppliers, manufacturers, factory, customized, wholesale, quotation, low price, in stock, buy discount, free sample
