Textile Film, widely known as Flex Film or Heat Transfer Vinyl (HTV), is a specialized decorative medium consisting of a pigmented polyurethane (PU) or polyvinyl chloride (PVC) layer mounted on a clear, heat-resistant carrier sheet. It is designed to be cut into custom shapes, logos, or lettering using a digital cutting plotter and then fused onto fabric using heat and pressure.
Why It Matters: Impact and Use
In the custom apparel and sportswear industries, Textile Film is the primary method for adding names, numbers, and single-color logos to garments. Mastering the technical application of these films is a core component of E-E-A-T (Expertise, Authoritativeness, and Trustworthiness), ensuring that decorated products withstand the rigors of athletic use and frequent laundering.
- Precision Plotting & Weeding: The construction of the film allows a cutting plotter to perform a “kiss-cut”—cutting through the color layer while leaving the carrier intact. The process of removing the unwanted excess material is known as “Weeding.”
- Durability and “Hand-Feel”: Modern textile films are engineered to be incredibly thin (often 50–90 microns). This provides a soft “hand-feel” that moves with the garment, preventing the rigid, plastic-like sensation found in lower-quality alternatives.
- Specialized Applications: Textile films are available in various technical formulations to solve specific challenges:
- Stretch Flex: High elasticity for Lycra and Spandex.
- Subli-Block: Prevents dye migration on sublimated polyester.
- High-Tack: Features a sticky carrier for intricate, detailed designs that are difficult to weed.
- Production ROI: Because it requires no ink or drying time, Textile Film is the most cost-effective and efficient way to handle “runs of one” (personalization), significantly increasing a shop’s ROI (Return on Investment) for teamwear and uniforms.
All clamshell Heat Presses
Comparison: Textile Film vs. Screen Printing
| Feature | Textile Film (Flex/HTV) | Screen Printing |
| Setup Time | Minimal (Cut & Press) | Extensive (Screens & Emulsion) |
| Ideal Run Size | 1 – 20 pieces | 50+ pieces |
| Personalization | Easy (Names/Numbers) | Difficult / Expensive |
| Color Depth | Solid, vibrant colors | Possible gradients / halftones |