Decoding One-Side Pretreatment, High Surface Roughness, and Mechanical Strength for Advanced Adhesive Applications
Product Overview
In the highly competitive tape manufacturing industry, a single failure in adhesion can lead to costly product recalls. If the adhesive doesn’t grip the base film tightly, the tape will peel, shift, or lose its tackiness over time. This is the exact challenge that Lumirror S15A PET Film was engineered to solve. As a one-side pretreated polyester film, it is specifically designed to deliver outstanding adhesion for all types of adhesive tapes. While global giants like Toray, DuPont PET Film, and SKC PET Film produce a vast array of films, the S15A grade stands out as the definitive solution for tape converters.
The Core Specs: Engineering for Ultimate Adhesion
What makes Lumirror S15A PET Film a critical material for the tape industry? The data sheet reveals a highly tailored performance profile:
- Optimized One-Side Pretreatment: The film features a specialized pretreatment on one side. This dramatically increases the surface energy, ensuring that both solvent-based and water-based adhesives bond flawlessly without delaminating.
- Engineered Surface Roughness: Notice the haze values ranging from 2.6% to 4.8%. This micro-roughness provides a powerful mechanical “anchor” for the adhesive, preventing slippage and improving the initial tack of the tape.
- Robust Mechanical Strength: Available in 23μm to 50μm gauges, it maintains a high tensile strength (up to 265 MPa). This ensures the tape won’t snap or stretch under heavy loads during application.
Key Applications Across Industries
The unique properties of Lumirror S15A PET Film make it indispensable for:
- Adhesive Tapes: The ultimate base film for electrical tapes, masking tapes, and industrial adhesive tapes.
- Protective Films: Where reliable adhesion and clean removal are required.
Sourcing a Reliable Alternative
While the Toray Lumirror S15A PET Film is a top-tier product for tape manufacturing, global buyers often seek a Lumirror S15A Alternative to optimize costs and secure supply chains. A successful replacement requires a manufacturer that can precisely replicate the one-side pretreatment and maintain the specific haze levels. If the surface is too smooth, the adhesive will fail to anchor properly.
Technical Characteristics
The following values represent the typical capabilities of our equivalent Pretreated PET Film range:
- Material: One-Side Pretreated Biaxially Oriented Polyethylene Terephthalate
- Thickness Range: 23 μm, 38 μm, 50 μm
- Tensile Strength: MD 227 to 265 MPa / TD 220 to 243 MPa
- Thermal Shrinkage at 150°C, 30min: MD 1.1% to 1.4% / TD 0.1% to 0.3%
- Haze: 2.6% to 4.8% (Micro-roughness for adhesion)
- Breakdown Voltage: 7.2 kV to 12.2 kV
- Certifications: RoHS, REACH compliant
Why Choose Jinlu Film as Your Supplier
Jinlu Film is a leading manufacturer of high-performance functional PET films. We offer a direct factory substitute for the Lumirror S15A series, delivering the same one-side pretreatment and mechanical strength required for flawless adhesive tape production. Whether you need standard rolls or custom slitting, we offer factory-direct pricing, reliable global shipping, and quality that rivals top-tier brands.
Contact us today for a factory quote, technical data, or a sample of Pretreated PET Film.
