AORITA FEP Release Film | Self-Produced High-Performance Release Film

AORITA Self-Produced FEP Release Film – Built with Proprietary Manufacturing Technology


FEP (Fluorinated Ethylene Propylene) release film is one of the most critical consumables for LCD and DLP UV-curing 3D printing. Its performance directly affects printing success rate, model precision, surface finish and overall production stability.

AORITA independently develops and manufactures its own FEP release film through a fully controlled in-house production process.

From raw material polymerization and precision film forming to surface modification and quality inspection, every step follows strict industrial standards. Compared with common FEP release films widely available on the market, AORITA FEP film delivers more stable release performance, higher light transmittance, better flatness and longer service life.

What Makes AORITA FEP Different? Self-Developed FEP Resin System


The performance of FEP film starts with its raw resin formula. AORITA controls the entire production chain to ensure consistent high quality.

  1. High-Purity Monomer Polymerization

    AORITA uses electronic-grade tetrafluoroethylene (TFE) and hexafluoropropylene (HFP) monomers. Under strictly controlled temperature and pressure, the raw FEP resin is polymerized with low impurities and uniform molecular distribution, reducing crystal spots and optical defects.

  2. Performance-Enhanced Formula

    With a specially modified formula, AORITA FEP film achieves UV transmittance higher than 92%, stable low release force, and improved mechanical strength. It maintains excellent chemical resistance and temperature resistance from -200℃ to 205℃.

  3. Deep Purification Treatment

    After polymerization, the resin goes through multi-stage washing, dehydration and vacuum drying to remove residual monomers and small molecules. This prevents contamination in the resin tank and ensures cleaner, more stable printing.


 AORITA FEP Manufacturing Process – Precision Film Forming Technology


Most standard FEP films are produced through simple extrusion or slitting, resulting in uneven thickness and poor surface quality.

AORITA adopts precision casting and biaxial stretching technology for high-performance FEP release film.

1. Melting, Extrusion & Multi-Stage Filtration


The purified FEP resin is melted at high temperature in an inert gas environment to avoid oxidation and yellowing.

The melt passes through 5-layer high-precision filters to remove gel particles and micro-impurities, ensuring a smooth, pinhole-free film surface.

2. Precision Casting & Mirror-Level Forming


The molten material is extruded through a precision die and formed on a highly polished mirror chrome roller.

This process controls thickness tolerance within ±2μm, providing superior flatness compared to standard films.

3. Biaxial Stretching & Heat Setting


The base film is stretched longitudinally and transversely to reach the target thickness (0.1mm, 0.125mm, 0.15mm).

Heat setting eliminates internal stress and improves flexibility, tear resistance and durability.

4. Online Optical Inspection


Real-time optical inspection automatically detects defects such as spots, scratches and thickness deviations. Only qualified film proceeds to post-processing.

Surface Modification – Optimized for 3D Printing Release Performance


To achieve ideal release behavior, AORITA uses low-temperature plasma surface treatment to precisely adjust surface energy.

This creates stable, low release force, reduces model adhesion, minimizes layer lines and prevents part breakage during printing.

Each roll of AORITA FEP film is laminated with protective films on both sides to avoid scratches during transportation and installation. Strict slitting, dimension inspection and performance testing ensure consistency for industrial users.

Advantages of AORITA Self-Produced FEP vs. Standard Market FEP


  • Production control: Full in-house R&D and manufacturing
  • UV transmittance: ≥92% for consistent curing
  • Thickness accuracy: ±2μm, high flatness
  • Release force: Stable and low for smooth printing
  • Service life: 300–500 printing hours
  • Surface quality: No crystal spots, no pinholes, mirror finish

Applications


AORITA FEP release film is widely used in:

  • UV resin 3D printing (LCD / DLP / MSLA)
  • Jewelry casting, dental models, industrial prototyping
  • Semiconductor packaging and high-end release applications

It is fully compatible with Bambu Lab, Elegoo, Anycubic, Creality and other mainstream 3D printers.

Conclusion


AORITA FEP release film is manufactured using in-house resin development, precision forming and professional surface modification.

With better transmittance, lower release force, longer lifespan and higher stability, it outperforms most generic FEP films on the market. For industrial manufacturers, 3D printing factories and professional users, AORITA self-produced FEP film provides a more reliable and cost-effective release solution.
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