SA Filament Opal Signage Filament – 2.5kg

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Key Features

• Specially developed for the signage industry
• PETG co-polymer formulation
• Excellent light transmission
• Ideal for illuminated and backlit signage
• UV stable for outdoor applications
• High-temperature deflection characteristics
• Excellent layer adhesion
• Minimal warping
• Consistent extrusion
• Suitable for large-format printing
• Designed for professional signage applications
• 1.75mm filament diameter
• ±0.05mm dimensional tolerance
• Large 2.5kg spool
• Proudly manufactured in South Africa

Developed Specifically for the Signage Industry

This isn’t simply ordinary PETG packaged on a larger spool.

SA Filament developed its Signage range specifically around the requirements of the professional signage industry, including high-visibility and outdoor applications.

This makes it particularly useful for sign manufacturers looking to incorporate 3D printing into their production processes.

Applications include:

• Channel letters
• 3D lettering
• Illuminated signs
• Backlit signage
• Company logos
• Light boxes
• Retail signage
• Exhibition displays
• Directional signs
• Custom branding
• Architectural signage

Excellent for Illuminated Signage

One of the biggest advantages of Opal Signage Filament is its suitability for applications where light needs to pass through the printed component.

This makes it an excellent material for producing illuminated sign faces and lettering that will be positioned in front of LED lighting.

Depending on wall thickness, infill, layer configuration and lighting arrangement, the printed component can be designed to diffuse transmitted light and help create an even illuminated appearance.

This opens up exciting possibilities for producing custom signage directly on a 3D printer.

Perfect for 3D Channel Letters

3D printing can dramatically simplify the production of custom channel letters and complex signage shapes.

SA Filament Opal Signage Filament can be used to manufacture:

• Letter faces
• Logos
• Custom shapes
• Illuminated components
• Decorative sign elements
• Prototype signage
• Short-run custom signage

Complex shapes that may be difficult to manufacture using conventional fabrication methods can instead be produced directly from a digital model.

UV Stable for Outdoor Applications

Outdoor signage is continuously exposed to sunlight, making UV stability an important consideration.

SA Filament specifies its Signage PETG co-polymer as UV stable, helping the printed material maintain its appearance and structural integrity when used in outdoor signage applications.

This makes it considerably better suited to signage applications than ordinary indoor-focused PLA.

High-Temperature Deflection

Signage installed outdoors can become considerably hotter than the surrounding air, particularly when exposed to direct sunlight.

SA Filament specifically highlights a high-temperature deflection point as one of the features of its signage co-polymer, helping printed components retain their structural integrity in demanding environments.

PETG Co-Polymer Durability

The PETG co-polymer formulation provides the durability required for professional applications while remaining relatively straightforward to print.

It offers:

• Good toughness
• Excellent layer adhesion
• Reduced warping
• Consistent extrusion
• Outdoor suitability
• Good dimensional stability

This combination makes it well suited to larger signage components where both appearance and durability matter.

Large 2.5kg Spool

Each spool contains 2.5kg of filament, making it significantly larger than a conventional 1kg spool.

For commercial signage production, this provides several advantages:

• Longer uninterrupted prints
• Fewer spool changes
• Better suited to large letters and signs
• Reduced risk of running out during long prints
• More convenient for production environments
• Ideal for large-format 3D printers

SA Filament specifically identifies the large spool size as being intended for extended printing sessions and larger signage projects.

Ideal for Professional Sign Makers

This material is particularly relevant to signage businesses adding 3D printing to their existing manufacturing capabilities.

It can complement traditional signage production methods such as:

• ACM fabrication
• Acrylic fabrication
• CNC routing
• Vinyl graphics
• LED illumination
• Laser cutting
• Conventional channel-letter manufacturing

3D printing provides additional freedom for complex shapes, custom logos, prototypes and short production runs.

Recommended Printing Settings

SA Filament publishes the following settings for its Signage PETG co-polymer:

Exact settings should be adjusted according to the printer, nozzle size, model and required light-transmission characteristics.

Optimising Prints for Illumination

When using Opal Signage Filament for illuminated signage, the slicer settings and physical design of the sign can significantly affect the final appearance.

Factors such as:

• Wall thickness
• Number of walls
• Layer height
• Infill percentage
• Distance from the LEDs
• LED spacing
• Internal sign depth

can all influence how evenly the finished sign transmits and diffuses light.

For professional signage production, testing a small sample before manufacturing a large sign is recommended.

Ideal For

SA Filament Opal Signage Filament is an excellent choice for:

• Illuminated signage
• Channel letters
• Backlit signs
• Light boxes
• 3D logos
• Business signage
• Retail signage
• Exhibition displays
• Architectural signage
• Custom lettering
• Outdoor signage
• Sign prototypes
• Short-run signage production
• Professional sign manufacturers

Technical Specifications

These specifications are based directly on SA Filament’s published Signage range information.

Compatible Printers

SA Filament Opal Signage Filament can be used with compatible 1.75mm FDM/FFF printers capable of printing PETG co-polymer at the required temperatures.

For professional signage production, printers with larger build volumes are particularly useful because they allow larger letters and signage components to be produced as single pieces.

One important consideration is the 2.5kg spool size. The printer’s standard spool holder may not be designed to carry a spool of this weight, so an appropriate external or heavy-duty spool holder may be required.

Why Choose SA Filament Opal Signage Filament?

This filament is designed for a very specific purpose: professional 3D printed signage.

Rather than using general-purpose PLA or PETG and trying to adapt it to signage applications, SA Filament has developed a PETG co-polymer specifically around the requirements of the industry, including light transmission, UV stability, durability and temperature resistance.

Combined with the large 2.5kg spool, it is an excellent material for sign manufacturers looking to use 3D printing for illuminated lettering, logos, channel letters and other custom signage.