Technical Specifications | A-film + B-film: Complete UV Crystal Label System

The UV crystal label film system consists of an A-film for UV printing and a B-film for cold transfer lamination. The A-film utilizes a UV ink receiving coating that supports high ink load, precise details, and stable curing. The B-film provides a transparent adhesive layer for smooth, bubble-free transfer and leaves no adhesive residue on the final surface.

Key Features

  • Film A - UV Printing Film: Special UV ink-receptive coating
  • Film A - UV Printing Film: Supports high ink density & sharp details
  • Film A - UV Printing Film: Stable curing with strong ink fixation
  • Film B - Cold Transfer / Laminating Film: High-transparency adhesive layer
  • Film B - Cold Transfer / Laminating Film: Enables clean, bubble-free transfer
  • Film B - Cold Transfer / Laminating Film: No glue residue after peeling
  • Classification of B-film: Based on viscosity and application, B-film can be divided into the following two common types:
  • Standard B-film (medium viscosity) - Suitable for most crystal label transfers, with moderate viscosity, ideal for flat or slightly curved surfaces (such as mobile phone cases, cups, acrylic sheets, etc.).
  • High-viscosity B-film - Stronger adhesion, suitable for uneven, rough surfaces or materials requiring higher adhesion (such as leather, wood, frosted surfaces, etc.).
UV AB Film A-film UV printing quality and B-film lamination clarity
UV A and B Printing Film demonstrating high-definition details and bubble-free transfer finish

Material Properties

Physical properties

Product
UV AB Film for UV Printing
Appearance
Smooth surface
Color
Transparent
Working Layer Thickness
28 ± 2μm
Peel Strength (25 mm)
3-5 gf / 25 mm
Peel Strength (75 mm)
10-15 gf / 25 mm
Width
Customized according to customer requirements, tolerance ±1 mm
Initial Tack
≥ 3#
Peel Adhesion Strength
≥ 1800 gf / 25 mm
Holding Power
No displacement after more than 200 hours
High-Temperature Holding Power
No displacement after more than 48 hours
85°C / 85% RH Test
72 h No discoloration, cracking, delamination, adhesive failure, or whitening
High / Low Temperature Cycling
72 h No discoloration, cracking, delamination, adhesive failure, or whitening
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UV A and B Printing Film

UV AB Film craftsmanship showing premium material quality and printing precision

Advantages of Craftsmanship & Material

Meets product requirements for high-saturation colors, long-lasting durability and premium texture.

UV A and B Printing Film applied on multiple surfaces including clothing, bags and hats

Multi-Surface Use

Ideal for clothing, bags, hats, and various gear requiring safety identification.

UV AB Film demonstrating precision cutting and weeding for custom logo designs

Customizable Designs

Create precise logos, text, and graphics with easy cutting and weeding capabilities.

Application Scenarios

UV AB Film cold transfer labels on fashion and luxury apparel

Drinking Mug

UV A and B Printing Film transfer on athletic and performance footwear

Wireless Earbud Storage Case

UV AB Film labels on streetwear and youth culture brand products

Luxury Packaging Gift Box

UV A and B Printing Film on accessories and lifestyle products

High-Speed USB Flash Drive

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