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Load image into Gallery viewer, FIBREX PEI+GF30 ULTEM PEI
Load image into Gallery viewer, FIBREX PEI+GF30 ULTEM PEI


SKU: 3D3022

Regular price ₹ 8,999.99
Sale price ₹ 8,999.99 Regular price ₹ 11,999.99
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FibreX™ PEI+GF30 is an ultra-performance 3D printing filament using 30% glass fiber reinforced ULTEM™ PEI [Polyether Imide] resin. This material combines excellent thermal properties, exceptional dimensional stability, inherent flame retardancy, and very good chemical resistance.

We manufacture this ultra-performance 30% glass fiber reinforced 3D printing filament using real ULTEM PEI (polyetherimide) resin from Sabic. Filaments made from ULTEM resin offer the ability to create parts with excellent properties at elevated temperatures due to a high glass transition temperature (Tg) of 217°C.

PEI is an amorphous, high-performance polymer that combines excellent thermal properties, exceptional dimensional stability, inherent flame retardancy, and good chemical resistance.

Benefits of PEI+GF30 Include:

  • High thermal properties, with a Tg of 217°C and HDT of 212°C
  • Inherently flame-resistant
  • Long-term hydrolytic stability, making it easy to steam and autoclave
  • Excellent dimensional stability, low heat creep sensitivity, and a very low, uniform coefficient of thermal expansion creates highly reproducible part-to-part dimensions
  • Exceptional strength and stiffness, even at elevated temperatures
  • Good resistance to a broad range of chemicals include automotive fluids, fully halogenated hydrocarbons, alcohols, and aqueous solutions
  • Stable dielectric constant and dissipation factor over a wide range of temperatures and frequencies.

This product contains 250 grams of filament. 
500gms, and 1KG Available on order only. (Lead time: <7 days)


1.75mm and 2.85mm +/- 0.05mm in diameter

Recommended Print Settings:

  • Extruder: 370-390°C
  • Bed Temp: 120-160°C
  • Nozzle: We highly recommend a hardened steel nozzle with a minimum diameter of 0.4mm for abrasive materials such as this
  • Other: Ideal layer height is 60% of nozzle diameter. We do not recommend printing layers smaller than 0.2mm with abrasive filaments
  • Bed Prep: Nano Polymer Adhesive gives us the best results
  • Heated Chamber: Recommended, an enclosure helps reduce warping and improves print success.
  • Supports: ThermaX™ HTS High-Temp Support is designed to work with complex, high-temp materials just like this
  • Drying Instructions: 120°C for 4 hours
Glass Fiber Filament

What Is It?

Fibers made of glass-reinforced into the polymer during manufacturing and aligned along the axis of the filament. This, along with their physical makeup, give this material enormous strength and mechanical properties.

What Does It Do?

Glass fiber reinforcement gives the material a lot of desirable properties:

  • High strength
  • High stiffness
  • High chemical resistance
  • Low thermal expansion

How Does It Work?

Reinforcing plastic with glass fibers produces a 3D printing filament that exhibits the best properties of both fiberglass and the plastic of choice.

What Is It Good For?

Ideal for any applications which require strength and rigidity. For these reasons, glass fiber reinforced filament is very popular in the automotive, mechanical, civil engineering, and research industries.

Abrasive Material

This material is particularly abrasive among 3D printing filaments. Users may find standard brass nozzles are chewed through very quickly compared to standard wear and tear. When worn through, the nozzle diameter will widen inconsistently and the printer will experience extrusion issues. Because of this, it's strongly recommended this material be printed through a hardened steel nozzle rather than a softer metal. Hardened steel nozzles can often be inexpensive and easily installed depending on your printer manufacturer's instructions.


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