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Essentium PEEK is the highest performance material in our broad material portfolio. In addition to best-in-class printability, it has excellent thermal and chemical resistance. Essentium PEEK boasts outstanding strength, stiffness, and impact properties and is inherently flame resistant.

Polymer Name: Polyetheretherketone (PEEK)

End Uses: Aerospace Applications, Medical Device Housings, Medical Devices, Military Applications, Oil/Gas Applications, Semiconductor Applications

Density: 1310.0 - 1310.0 kg/m³

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Knowde Enhanced TDS

Identification & Functionality

Technologies

Features & Benefits

RECOMMENDED PRINT SETTINGS
Nozzle Temperature, ºC 380 – 440
Bed Temperature, ºC >100
Chamber temperature, ºC Ambient or >140
Print Speed, mm/s 30 – 50
First Layer Speed, mm/s 15 – 25
Ex. Multiplier (Flow) 1
Fan Speed, % 0 – 20
Bed Material Glass or G11 laminate
Bed Adhesion Method Dimafix® or Magigoo®
Recommended infill density, % <50

 

KEY FEATURES

• Best-in-class PEEK printability
• Excellent thermal resistance
• Excellent chemical resistance
• Inherent flame resistance

Applications & Uses

Markets
APPLICATIONS INCLUDE

• Aerospace
• Oil & Gas
• Biomedical (non-implantable)
• Semiconductor processing
• Chemical processing
• Military

Properties

Physical Form
Material Specific Properties
ValueUnitsTest Method / Conditions
Continuous (service temp.)250UL 726B
Flammability rating (base resin)V-0UL 94
HDT (1.8 MPa)145˚CISO 75
Nozzle Size0.4mm
Specific Gravity1.31g/cm3ISO 1183

Technical Details & Test Data

MECHANICAL PROPERTIES
Property Test Method Print Orientation
XY 45-45
Tensile Strength, MPa ASTM D638 92 82
Tensile Modulus, MPa ASTM D638 3250 3000
Elongation at Break, % ASTM D638 15 9

 

ANNEALING PROCEDURE

For best part properties, the following annealing procedure is recommended:

1. Dry the parts at 120ºC for 2-4 hours

2. Ramp the temperature to 200ºC and hold for 1 hour

3. Anneal between 200ºC and 250ºC and hold at the desired temperature for 1 hour per 1 mm of solid wall thickness, higher annealing temperatures will result in higher crystallinity levels temperature performance, stiffness and chemical resistance, but will negatively affect ductility and dimensional accuracy of the part

4. Slowly cool the part to 140ºC at a rate of 10ºC per hour

5. Cool the parts to room temperature before handling