Glassy - Spectrum PETG Filament - 1.75mm, 1kg

Crystal-Clear Glassy PETG for Transparent, High-Detail Prints

Spectrum Glassy PETG filament is engineered for makers and professionals who need exceptional clarity combined with strength and reliability. Designed to produce highly transparent prints, this material is ideal for applications where visual transparency and mechanical performance are equally important.

With its smooth extrusion and glossy finish, Glassy PETG is perfect for creating parts that mimic glass-like aesthetics while maintaining the durability of PETG.

Key Features & Benefits

• High Transparency Finish
  Designed to achieve superior clarity compared to standard PETG filaments
• Excellent Layer Adhesion
  Strong bonding between layers for durable, long-lasting parts
• Consistent 1.75mm Diameter
  Ensures reliable extrusion and accurate dimensional results
• Glossy, Glass-Like Surface
  Produces smooth, reflective prints with minimal post-processing
• Durable and Impact-Resistant
  Less brittle than PLA, suitable for functional applications
• Spectrum Precision Manufacturing
  Trusted for consistent quality and dependable performance

Typical Applications

Glassy PETG is ideal for projects that require both clarity and strength:

• Transparent enclosures and protective covers
• Light diffusers and LED components
• Fluid containers and visualization models
• Display pieces and aesthetic prototypes
• Functional parts requiring visibility
• Decorative prints with a glass-like appearance

Its enhanced transparency makes it especially valuable for optical and visual applications.

Printability & Performance

This filament is optimized for reliable printing and improved clarity:

• Strong Layer Bonding – Enhances structural integrity and durability
• Low Shrinkage – Maintains dimensional accuracy across prints
• Smooth Extrusion – Reduces stringing and improves print consistency
• Enhanced Transparency Potential – Achievable with optimized settings

For best clarity, use slower print speeds, higher extrusion temperatures, and thicker layer heights.

Material & Compatibility

• Compatible with most 1.75mm FDM/FFF 3D printers
• Suitable for both Bowden and direct drive systems
• Works with heated beds and surfaces like PEI, glass, and coated plates
• Performs within standard PETG temperature ranges

Controlled cooling and proper bed adhesion are recommended for optimal results.

Why Users Choose Spectrum Glassy PETG

Users choose Glassy PETG for its ability to deliver both transparency and durability—something standard filaments struggle to balance. It’s ideal for projects where visual clarity matters just as much as mechanical strength.

Spectrum’s manufacturing consistency ensures reliable performance across prints, making it a trusted option for both creative and technical applications.

Achieve Clear, Professional-Grade Prints

Take your projects to the next level with Glassy PETG filament designed for clarity, strength, and consistency. Whether you're creating transparent components or high-end display parts, this material delivers results you can rely on.

Download the Technical Data Sheet (PDF)