Obsidian Black - Spectrum PET-G HT100 Filament - 1.75mm, 1kg

High-Performance PET-G in Deep Obsidian Black

Spectrum PET-G HT100 Obsidian Black is designed for makers and professionals who need reliable strength, elevated heat resistance, and a premium dark finish. This advanced PET-G formulation provides enhanced thermal stability and mechanical performance, making it ideal for functional parts and demanding environments.

The deep Obsidian Black color delivers a sleek, professional look—perfect for end-use components, enclosures, and projects where aesthetics and performance go hand in hand.

Key Features & Benefits

• High Heat Resistance (HT100 Grade)
  Maintains strength and shape in elevated temperature conditions
• Strong and Impact-Resistant
  Tougher and more durable than PLA, with added flexibility
• Deep Obsidian Black Finish
  Rich, uniform black color for professional-looking prints
• Excellent Layer Adhesion
  Produces strong parts with reliable interlayer bonding
• Reduced Warping vs ABS
  Easier to print while maintaining high-performance characteristics
• Moisture and Chemical Resistance
  Suitable for real-world, workshop, and functional applications

Typical Applications

• Functional mechanical parts
• Enclosures and electronic housings
• Automotive and workshop components
• Fixtures, jigs, and tooling
• Engineering prototypes
• Durable consumer products

Material & Compatibility

Spectrum PET-G HT100 Obsidian Black is compatible with most FDM/FFF 3D printers capable of printing PETG materials at higher temperatures.

Material Characteristics:

• Enhanced heat resistance compared to standard PETG
• Strong, tough, and slightly flexible
• Excellent interlayer adhesion
• Low shrinkage with good dimensional stability

Printer Compatibility:

• Works with most consumer and prosumer 3D printers
• Requires higher extrusion temperatures than PLA
• Heated bed recommended for optimal adhesion
• Compatible with standard nozzle sizes (0.4mm or larger)

Print Performance Overview

• Printability: Moderate; easier than ABS, requires tuning compared to PLA
• Surface Finish: Smooth with a clean, slightly glossy black finish
• Strength: High durability and impact resistance
• Bed Adhesion: Strong adhesion with heated bed recommended
• Temperature Range: Typically prints between 230–260°C

Why Users Choose Spectrum PET-G HT100

Users choose HT100 PET-G for its balance of performance and usability. It provides improved heat resistance and strength over PLA while remaining more manageable than high-end engineering filaments.

The Obsidian Black variant is especially popular for projects requiring a clean, professional appearance—making it ideal for both prototypes and final parts.

Build Strong, Professional-Grade Parts

Upgrade your prints with Spectrum PET-G HT100 Obsidian Black. Delivering durability, heat resistance, and a premium finish, it’s the ideal choice for functional parts and high-quality builds.

Download the Technical Data Sheet (PDF)