Our FEP film is manufactured using a hot-melt extrusion casting process from high-purity FEP resin . It strikes the perfect balance between optical clarity and mechanical durability, ensuring that your UV light cures the resin efficiently while providing a non-stick surface that prolongs the life of your LCD screen and reduces peel forces.
| Parameter | Specification | Benefit |
|---|---|---|
| Material | High-Purity FEP (Fluorinated Ethylene Propylene) | Excellent chemical resistance, non-stick properties . |
| UV Transmittance | ≥ 95% (at 405nm wavelength) | Faster curing times and higher print accuracy . |
| Thickness Options | 0.1mm / 0.125mm / 0.15mm / 0.2mm | Customizable tension for different printer models. |
| Ductility | Up to 300% Elongation | Withstands high peel forces without tearing . |
| Surface Finish | Smooth / Optical Grade | Zero wrinkles or scratches; ensures even resin distribution . |
| Temperature Resistance | -200°C to +200°C | Stable performance during exothermic UV curing reactions . |
Shenzhen Forbest High-Performance FEP Release Film for Resin 3D Printers
1. Product Introduction
In the world of resin 3D printing, the interface between the light source and the liquid polymer is critical. The FEP Release Film acts as a transparent barrier at the bottom of the resin vat.
It must allow UV light to pass through to cure the resin while simultaneously allowing the cured layer to release cleanly from the vat floor without causing suction cup failures or delamination.
At Shenzhen Forbest, we utilize advanced extrusion casting lines to produce FEP film that meets the rigorous demands of modern high-resolution printers.
Unlike standard films that may yellow or deform over time, our film maintains optical clarity and structural integrity over hundreds of print hours .
Our position as a leading manufacturer in China allows us to provide consistent quality, whether you are a hobbyist replacing a vat sheet or an OEM requiring bulk rolls.
Key Performance Indicators
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Optical Clarity (>95%): The film exhibits extremely high light transmittance, specifically optimized for the 385-405nm wavelength range used by most MSLA printers. This ensures that every pixel of UV light penetrates with minimal diffusion, resulting in sharper edges and finer details on your miniatures and prototypes .
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Optimized Release Force: A film that is too sticky will cause print failures (layer separation). Our FEP features a naturally slick, fluorinated surface that minimizes the peeling force required to separate the model from the film. This reduces strain on the Z-axis and build plate, leading to quieter operation and longer printer life .
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Mechanical Toughness: Tested to withstand over 10,000 bending cycles, our film resists the constant “stretching” and relaxation that occurs during the print process. It maintains its shape and tension, preventing dimples or permanent deformation that could trap cured resin particles and puncture the film .
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Dual Protective Layers: To ensure a pristine surface, each sheet is sandwiched between two protective PET films.
This prevents dust, scratches, or fingerprints during shipping and handling, guaranteeing that the surface facing your LCD screen is perfectly smooth