Quick answer
Transparent Hologram Foil — High Refractive Index HRI Series is a Stamping Foils product manufactured and exported by All-in Pack (Wenzhou, China), used for Pharmaceutical anti-counterfeit packaging, Luxury boutique retail carry bags, Security ID cards and government documents. Core specification: Substrate PET, Transparency High. It ships FOB Shanghai with MOQ from one roll, 5–14 day lead times on stock items, free A4 samples and Pantone colour matching on request.
Transparent Hologram Foil — High Refractive Index HRI Series
Transparent hologram foil for high-security packaging and boutique labels. Provides 3D light diffraction without obscuring underlying print on paper and film substrates.
Key Features
- True-transparency PET carrier allows 100% visibility of underlying graphics and text.
- High-resolution 2D/3D holographic diffraction yields 120-degree viewing angles.
- Universal adhesive layer compatible with paper, BOPP, and PET substrates.
- Thermal stability up to 150°C prevents pattern distortion during high-speed stamping.
- Excellent over-printability with UV, offset, and silk-screen ink systems.
- Ultra-thin 12-micron construction ensures clean edge definition and easy stripping.
Overview
What is transparent hologram foil?
Transparent hologram foil, also known as HRI (High Refractive Index) foil, is a specialized decorative and security material that applies a three-dimensional holographic pattern onto a substrate without obscuring the underlying printed text or graphics. It utilizes a transparent dielectric coating instead of traditional aluminum to create the light-diffracting effect, providing both aesthetic depth and anti-counterfeiting properties.
Overview of High Refractive Index Technology
In the competitive world of print finishing, transparent hologram foil serves a dual purpose: brand elevation and security. Unlike standard metallic foils that create an opaque "stamp," the HRI layer allows the consumer to see through the holographic effect to the print below. This makes it an ideal solution for luxury packaging where brand motifs need to be protected or highlighted without losing the integrity of the original artwork. At All-in Pack, we manufacture these foils using precision-embossed PET carriers, ensuring that every shimmer coincides with high-resolution diffraction gratings.
Technical Performance on Press
Success in holographic stamping depends on the foil's ability to release cleanly at high speeds. Our foil is engineered with a multi-layer structure including a release coat, the holographic image layer, the HRI coating, and a heat-activated adhesive. This chemistry is optimized for both flat-bed and rotary stamping equipment. The thermal profile is calibrated to work within standard industrial ranges, preventing "flaking" or "bridging" even on intricate fine-line designs. If you are operating Bobst or Gietz equipment, our foils are tested to maintain consistency at speeds exceeding 5,000 sheets per hour.
Security and Brand Protection
Beyond aesthetics, transparent hologram foil is a critical tool for pharmaceutical and electronics manufacturers to combat gray-market diversion and counterfeiting. Because the holographic master is difficult to replicate without specialized nanolithography equipment, adding this layer to a folding carton creates an immediate barrier to entry for counterfeiters. We offer standard "wallpaper" patterns (such as stars, dots, or pillars of light) as well as custom-originated shims that incorporate your company logo into the hologram itself. For projects requiring specific security features, you can request a quote for custom shim development.
Integration with Existing Workflows
One of the primary advantages of our HRI series is its versatility. It is not limited to paper; it performs exceptionally well on synthetic substrates used in the label industry. Designers can place the foil over barcodes or QR codes, and as long as the pattern is not overly dense, high-quality scanners can still read the data through the foil. This functional transparency is why our materials are widely used in the global packaging and labeling industry.
Why Choose All-in Pack?
As a leading manufacturer and integrator based in China, All-in Pack bridges the gap between high-end material science and cost-effective production. We don't just supply the foil; we provide the technical parameters required for successful application. Our foils undergo rigorous QC testing, including rub resistance, tape adhesion tests, and boiling tests for cosmetic applications. For converters looking to upgrade their post-press capabilities, we offer the technical support necessary to calibrate temperature, pressure, and dwell time for your specific substrate-finish combination.
To discuss bulk pricing or to request a sample book for your next high-security project, please contact our technical sales team today. We provide global shipping and customized slitting for all narrow and wide-web configurations.
Technical Specifications
| Substrate | PET |
| Transparency | High |
| Adhesive Type | Heat-activated |
| Release Liner | Included |
| Security Feature | Anti-counterfeiting |
| Application Speed | Up to 5,000+ sheets/hour |
| Holographic Effect | 3D light diffraction |
| Application Equipment | Flat-bed, Rotary |