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  • Epoxy Systems
    • NT-250
    • NT-260NM
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    • NTB-500 BMI
  • Platform Comparison
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NT-350HT Modified Epoxy

NT-350HT

This highly toughened resin system offers the same processing advantages as NT-350 but is toughened in order to provide high resistance to impacts. 


The NT-350 HT offers excellent surface finish for both Vacuum Bag Only (VBO) processing and autoclave processing.


NT-350HT offers unlimited out-time (no refrigerated storage) with zero change in process parameters over time. NT-350HT allows the parts builder to efficiently build large out-of-autoclave structures with near zero voids and without complicated debulking processes or elaborate cure cycles. 


While NT-350HT was designed for OOA processing, it is perfectly suitable for in-autoclave processes. NT-350HT is an ideal prepreg for aerospace secondary and primary structures, space and satellite structures and radomes.


Product Information

Product Features


  • Excellent Mechanical Properties – full mechanicals without post-cure
  • No Freezer Storage; >12 months out-time at ambient storage conditions (70-80°F)
  • Excellent Mechanical Properties with Vacuum Bag Only processing
  • Unique engineered air release channels allows excellent OOA processing
  • Very thick laminates can be produced without any debulk steps
  • No changes in laminate processing conditions or rheology over time
  • Optimized for high quality surface finish


Ideal Applications


  • Radomes
  • Secondary Aerospace Structures
  • Space and Satellite Applications
  • Urban Air Mobility
  • Unmanned Aircraft


Contact Us to Learn More

NT-350HT NEAT RESIN PROPERTIES

Neat Resin Properties

Neat Resin Properties

Neat Resin Properties

Density 1.17 g/cc

Dk=2.78; Df=0.013

Moisture absorption 

Post 2.4%

Standard 2.8%

DRY Tg

Neat Resin Properties

Neat Resin Properties

Onset

Post 275°F (135°C) 

Standard 207°F (97°C) 


Loss Modulus

Post 293°F (145°C) 

Standard 244°F (118°C) 


Tan Delta

Post 332°F (167°C) 

Standard 305°F (152°C)

WET Tg

Neat Resin Properties

WET Tg

Onset

Post 210°F (99°C) 

Standard 189°F (87°C) 


Tan Delta

Post 316°F (158°C) 

Standard 293°F (145°C)

NT-350HT Data Sheet

NT350HTDATASHEET08-29-2024 (pdf)Download

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Ordering is Easy!

Prepregs available as a 6"x 6" sample or lengths of 

10 yds, 25 yds or a full roll.

Order Here