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EPIKOTE™ System 620

Description

Epikote System 620 is a reactive epoxy-based powder binder that is applied as a hot-melt system to stabilize glass and/or carbon composite reinforcements and create fiber preforms.

Features and Benefits

  • Good flow behavior at application temperature
  • Very good compatibility with Epoxy resin systems, but the product may be used with other compatible matrix resins as well.
  • Reversible process of preform-forming in the temperature range of 80- 90 °C.
  • At 100°C and higher temperatures the Epikote System 620 binder cross-links and solidly fixes the position of the fibers.
  • Good processability via powder application on the fabric.

Sales Specification

Property Standard Value Unit Test Method
B-Time at 150°C 90 ± 35 Seconds ISO 8987A
Particle Size Distribution Particles > 90 µm 12.5 ± 7.5 % ISO 8130-1

Typical Properties

Property Standard Value Unit Test Method
Bulk Density 400 ± 50 kg/m³ ISO 60
Delivery Form White powder
Softening Point 95 ± 15 °C ISO 3146