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Essentium HTN (high-temperature nylon) is a polyamide based chemistry that has improved mechanical and thermal properties compared to standard nylons. Additionally, it is an easy-to-print, low-warp material that boasts high toughness and wear resistantance. This material is a drop-in replacement for Acetal (Delrin®) and has best-in-class slow moisture absorption.

Polymer Name: Polyamide (unspecified)

End Uses: Electrical Housing, Gears, Molds/Dies/Tools

Density: 1200.0 - 1200.0 kg/m³

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Identification & Functionality

Chemical Family
Technologies

Features & Benefits

KEY FEATURES

• Better heat deflection temperature and printability than ABS and standard Nylons
• High toughness and high strength
• Improved chemical and solvent resistance
• Wear resistance

Applications & Uses

Plastics & Elastomers End Uses
APPLICATIONS INCLUDE

• Jigs and fixtures
• Electrically insulating components
• Electronic housings
• Low-speed gears and moving parts

Properties

Physical Form
Material Specific Properties
ValueUnitsTest Method / Conditions
Continuous (use temperature)120IEC 60216
HDT (A 1.8 MPa)75˚CISO 75
HDT (B 0.45 MPa)110˚CISO 75
Specific Gravity1.2g/cm3ISO 1183

Technical Details & Test Data

MECHANICAL PROPERTIES
Metric Test Method Print Orientation
    XY 45/45 YX ZX
Ultimate Tensile Strength, MPa ISO 527-2 76.9 (1.0) 69.8 (0.8) 41.2 (1.5) 69.7 (1.2)
Tensile Modulus, GPa ISO 527-2 3.18 (0.31) 2.83 (0.16) 2.35 (0.56) 3.26 (0.13)
Strain at Break, % ISO 527-2 7.3 (1.3) 7.7 (1.4) 2.8 (0.3) 2.8 (0.1)
Flexural Strength, MPa ISO 178 129 (3.0) 111 (3.0) 111 (7.0) 124 (2.0)
Flexural Modulus, GPa ISO 178 3.10 (0.11) 2.72 (0.16) 2.57 (0.26) 2.76 (0.11)
Notched Izod Impact Strength, kJ/m2 ISO 180/A 3.4 (0.3) 5.0 (0.8) 5.0 (0.7) 2.76 (0.11)

 

Storage & Handling

MATERIAL HANDLING AND DRYING

Essentium HTN is a slightly hygroscopic thermoplastic and will absorb moisture from humid air. Keep the material in the vacuum sealed packaging until you are ready to print with it. HTN filament should always be fed to the printer in a dry container and stored in a dry cabinet. If the material does absorb more than 400ppm moisture, it should be dried in a low dew point (< -40˚C) oven or vacuum oven at 130˚C for 6 – 8 hours.

RECOMMENDED HSE PRINT SETTINGS

0.4mm Hozzle

Extrusion Width, mm 0.35 – 0.5
Layer Height, mm 0.15 –0.25
Print Speed, mm/s 50 – 500
Infill, % 15 – 75
Hozzle Temperature, ˚C 280 – 440
Bed Temperature, ˚C 80
IR Temperature, ˚C 20 – 40
Fan Speed, % 10 – 30

0.8mm Hozzle

Extrusion Width, mm 0.75 – 0.9
Layer Height, mm 0.3 –0.35
Print Speed, mm/s 10 – 160
Infill, % 15 – 75
Hozzle Temperature, ˚C 280 – 440
Bed Temperature, ˚C 80
IR Temperature, ˚C 20 – 40
Fan Speed, % 10 – 30

RECOMMENDED FDM PRINT SETTINGS

Nozzle Temperature, ºC 270 – 290
Bed Temperature, ºC 70 – 80
Print Speed, mm/s 20 – 60
First Layer Speed, mm/s 15 – 20
Fan Speed, % 0 – 20
Bed Material G-10/FR4 or Glass
Bed Adhesion Method Magigoo® PA or PVA glue
Infill Density, % <75