EPOCAST 1645 FR

Harmonization Code : 3506.10.00.00 | Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg

EPOCAST 1645

Main features

  • 1:1 Weight or Volume Mixing
  • 2 to 3 Hour Sanding Window
  • Aerospace Interior Flame Retardancy

Product Description

EPOCAST 1645 FR A/B is a two-component, ultra-low-density, flame-retardant epoxy void and edge filler for aerospace interior honeycomb structures. Both components are soft, non-sticky pastes that mix at 100:100 by weight or volume. The material can be applied manually, supports water cleanup after application, and is sandable within two to three hours. The room-temperature-curing system reaches a one-day cure and uses a color mix indicator for uniform blending. Applications include core reinforcement, edge sealing, component assembly, and aerospace interior honeycomb structures where FAR 25.853a and BMS 5-28 Type 9 requirements apply.

Key features

  • 1:1 Weight or Volume Mixing: A color mix indicator provides a visual cue for uniform blending of Part A and Part B.
  • 2 to 3 Hour Sanding Window: The system is sandable within this period and reaches a one-day cure at room temperature.
  • Aerospace Interior Flame Retardancy: The system is used in interior honeycomb structures where FAR 25.853a requirements apply.

Applications

Aerospace interior honeycomb void filling; edge filling and sealing; core reinforcement; rapid component assembly.

Technical Specifications

General Properties
Appearance
Brown
Component System
Two Part (Resin | Hardener)
Density (g)
0.45-0.48 g/cm3
Thermal Properties
Glass Transition Temperature (Tg)
50 °C

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