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3D Printing Filament
Durable 3D Printing Filament for Indoor and Outdoor Signage
Model OP-BK
Opaque black is the most used structural colour in signage because it hides everything behind the face. It blocks light completely, conceals wiring shadows inside a lit sign and gives a frontlit letter the hard edge that makes it read at distance. PETG-S keeps it black rather than letting it fade grey outdoors.
- Blocks light completely so no glow escapes from the return or the back
- Hides internal wiring shadows that a pale return would show
- Gives a frontlit face the highest contrast edge at night
- Holds a true black outdoors instead of fading grey
Product Overview
Opaque black is the most used structural colour in signage because it hides everything behind the face. It blocks light completely, conceals wiring shadows inside a lit sign and gives a frontlit letter the hard edge that makes it read at distance. PETG-S keeps it black rather than letting it fade grey outdoors.
Who It Is For
- Sign makers building frontlit letters with dark returns
- Workshops that keep one default structural colour
- Advertising companies producing halo lit lettering
Problems It Solves
- A pale return glows and softens the edge of a frontlit letter at night
- Wiring shadows show through light coloured returns
- Black plastics that are not UV stable fade to grey outdoors
- Painted black returns chalk and need repainting
Key Benefits
- Blocks light completely so no glow escapes from the return or the back
- Hides internal wiring shadows that a pale return would show
- Gives a frontlit face the highest contrast edge at night
- Holds a true black outdoors instead of fading grey
- Rated for 5 to 10 years indoors and outdoors on the same specification
Technical Features
- Filament type PETG-S at 1.75 MM diameter
- 340 meters per roll at 1.0 KG net and 1.3 KG gross
- Recommended printing temperature 230 to 250 degrees and bed 40 to 60 degrees
- Printing speed 40 to 120 MM per second in FDM mode
- Glass transition temperature 85 degrees with a working range of minus 40 to 70 degrees
- Tensile strength 50 MPa and bending strength 68 MPa
- Density 1.25 G per CM3 and moisture absorption 0.12 percent
- Outdoor durability 5 to 10 years
- Opaque black colour
- Good UV resistance and waterproof performance
- Function rated for outdoor and indoor use
- HS code 3916909000
Application Scenarios
- Returns on frontlit channel letters
- Back panels on illuminated signs
- Non lit black dimensional lettering
- Halo lit letters where the return must not glow
- Interior signage that has to read against a bright wall
Customisation Options
- Custom colour matched to your reference from a minimum of 100 rolls
- Spool and carton labelling on request
Product Gallery
Specifications
| Product Model | OP-BK |
|---|---|
| Filament Type | PETG-S |
| Brand Name | IROGA 3D |
| Color | Opaque Black |
| Length | 340 Meters/Roll |
| Diameter | 1.75 MM |
| Net Weight | 1.0 KG |
| Gross Weight | 1.3 KG |
| Application | 3D Printer of Signages / 3D Printer of Models |
Materials
- PETG-S signage grade copolyester
Manufacturing and Quality Control
Process
- Material selection
- Compounding and pelletizing
- Filament extrusion
- Filament spooling
- Quality control
- Vacuum bagging and carton packing
Quality Control
- Diameter monitored during extrusion so feeding stays consistent
- Colour checked against the reference sample for each batch
- Each roll vacuum bagged then packed 12 rolls per export carton
Comparison With Other Options
Compared with Opaque gray
Grey softens the edge against pale buildings. Black gives maximum contrast and is the usual default for frontlit returns.
Compared with Painted black returns
Paint chalks and needs maintenance. Printed black carries the colour through the wall thickness.
Use Guide
- Use opaque black for returns behind a translucent face
- Check that no light path is left at the join between face and return
- Print at 230 to 250 degrees and let the bed cool before removal
- Keep one batch across a set so the black matches across letters
Questions
Frequently Asked Questions
Answers to what buyers ask before ordering Durable 3D Printing Filament for Indoor and Outdoor Signage.
Why is black the usual return colour
It blocks light completely, hides internal wiring shadows and gives a frontlit face the sharpest edge at night.
Will black fade outdoors
UV resistance is rated good and the material is specified for 5 to 10 years of outdoor service.
Can it be used indoors as well
Yes, the function is rated for both outdoor and indoor use.
What is the HS code for customs
3916909000.
What is the minimum order quantity
1 roll for stocked colours. A customised colour has a minimum of 100 rolls.
How is the filament packed for export
Each roll goes into a vacuum bag and 12 rolls are packed per standard export carton, at 440 x 440 x 220 MM.
What warranty applies
One year quality warranty on all products with lifetime technical support.
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Illuminated Channel Letters Created by LED Signage Printer Manufacturer in China
Multiple colours in one letter across both the face and the return
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