eSUN PLA-UV Color Change 3D Printer Filament 1.75mm 1kg

eSUN PLA-UV Color Change is a PLA-based photochromic filament designed to change color when exposed to UV light or sunlight. It gives printed models an interactive visual effect while keeping the easy printing characteristics of standard PLA.

Before exposure, the filament has a light semi-transparent beige appearance. Under UV light or sunlight, the printed model changes into its active color, then gradually returns to its original appearance when the light source is removed. This makes it ideal for creative models, display pieces, props, toys, accessories, and designs that benefit from a light-sensitive effect.

As a modified PLA material, PLA-UV Color Change is beginner-friendly, easy to print, and suitable for most FDM 3D printers using 1.75mm filament.

Key Features

• PLA-based filament with UV color-change effect

• Changes color under UV light or sunlight

• Returns to original appearance when light exposure is removed

• 1.75mm filament diameter

• 1kg spool size

• Easy to print like standard PLA

• Smooth printed surface

• Suitable for creative, decorative, and interactive models

UV Color Change Effect

PLA-UV Color Change reacts to UV light and sunlight, allowing printed models to shift color when exposed to light. The color depth depends on the strength of the light source and exposure time. Stronger UV exposure produces a deeper and more visible color-change effect.

This makes the filament suitable for models that are displayed outdoors, near windows, under UV lamps, or in creative environments where the color-changing feature can be used as part of the design.

Easy PLA Printing

Because this filament is based on PLA, it prints with a familiar and simple workflow. It does not require an enclosed chamber and can be used on most standard FDM 3D printers.

The material prints smoothly and is less prone to brittleness, making it suitable for beginners as well as regular 3D printing users who want a special visual effect without difficult print settings.

Smooth Surface Finish

PLA-UV Color Change is designed to produce clean surfaces with good visual quality. This helps printed parts look attractive directly from the printer, especially for decorative items, models, props, and display pieces.

Support material is also easier to remove compared with some other materials, helping reduce post-processing time on models with complex shapes.

Designed for Creative Applications

This filament is best used for models where appearance and interaction are important. It is suitable for animation models, film props, cultural and creative products, escape room props, decorative accessories, and light-sensitive design projects.

It is not intended for high-temperature or heavy mechanical applications. For functional parts exposed to heat, impact, or outdoor stress, a more suitable engineering filament should be selected.

Printing Tips

For best results, store the filament in a sealed bag or dry box after opening. If the filament has absorbed moisture, dry it before printing to improve surface quality and reduce stringing.

Use a clean build surface, proper bed adhesion, and 100% cooling fan. To make the color-change effect more visible, expose the finished model to sunlight or UV light after printing.

Technical Specifications

Mechanical Properties

Available Color Variants

• UV Change Orange

• UV Change Purple

• UV Change Red

• UV Change Yellow

• UV Change Blue

• UV Change Fuchsia

• UV Change Green

Applications

• UV-reactive decorative models

• Toys and creative models

• Film and television props

• Animation industry models

• Escape room props

• Light-sensitive accessories

• Display pieces

• Gifts and ornaments

• Educational 3D printing projects

• Cultural and creative products

Compatibility

• Compatible with most FDM 3D printers using 1.75mm filament

• Suitable for open-frame and enclosed printers

• Compatible with common PLA build surfaces such as PEI, glass, build tape, and textured plates