MATERIALS, ADHESIVES AND COATINGS
Epocast 1648, 1649-1, 1614, 1645 FR, 1622 FAT — epoxy syntactic fillers for edges and cavities of honeycomb panels
Country: USA · Model: Epocast 1648, 1649-1, 1614, 1645 FR, 1622 FAT
A series of epoxy syntactic fillers with hollow microspheres, and therefore of reduced density, for edges, cavities and inserts of honeycomb panels. It includes the grades 1648, 1649-1, 1614, 1645 FR and 1622 FAT. The compounds go into floor panels, partitions, overhead bins, galleys and lavatories of aircraft and into repair per the SRM.
- Type
- epoxy syntactic (microsphere-filled) fillers and adhesives of reduced density
- Epocast 1648 A/B
- two-component, thixotropic, extruded by a dispenser; compressive strength 49.9 MPa (7250 psi); BMS 5-28 Type 18 Class 1; FST (FAA)
- Epocast 1649-1
- convenient mix ratio, shelf life 12 months, FST
- Epocast 1614 A2/A3
- single-component fire-resistant structural syntactic, supplied frozen; storage > 18 months at −18 °C, up to 24 months at −29 °C; pot life 24 h after thawing
Technical specifications
| Type | epoxy syntactic (microsphere-filled) fillers and adhesives of reduced density |
|---|---|
| Epocast 1648 A/B | two-component, thixotropic, extruded by a dispenser; compressive strength 49.9 MPa (7250 psi); BMS 5-28 Type 18 Class 1; FST (FAA) |
| Epocast 1649-1 | convenient mix ratio, shelf life 12 months, FST |
| Epocast 1614 A2/A3 | single-component fire-resistant structural syntactic, supplied frozen; storage > 18 months at −18 °C, up to 24 months at −29 °C; pot life 24 h after thawing |
| Epocast 1645 FR | ultra-low density, filling cavities and edges, FAR 25.853 |
| Epocast 1622 FAT A/B | low density, reinforcing honeycomb and potting fasteners |
| Applications | insert potting, ditch potting, edge filling, reinforcement of honeycomb structures |
Specifications are taken from the manufacturer’s technical documentation. Updated .
Description
Grade 1648 A/B is two-component and thixotropic, and is fed by mixing and dispensing equipment. The compressive strength is 49.9 MPa (7250 psi), the compound is qualified to Boeing BMS 5-28 Type 18 Class 1 and meets the FAA FST requirements. For 1649-1 a convenient mix ratio and a shelf life of 12 months are stated, also with FST compliance. Grade 1614 A2/A3 is single-component, fire-resistant and supplied frozen. After thawing it has a pot life of 24 hours, and it is stored for more than 18 months at −18 °C and up to 24 months at −29 °C. The compound 1645 FR has ultra-low density and fills cavities and edges with compliance to FAR 25.853, and the low-density 1622 FAT A/B serves for reinforcing honeycomb and potting fasteners.
How to choose
First determine whether a single-component or two-component compound is needed. For extrusion by a dispenser and loaded assemblies, 1648 A/B with a compressive strength of 49.9 MPa is used; for filling thick sections of large panels without mixing, 1614 A2/A3, but with a cold storage chain. The lowest mass is given by 1645 FR and 1622 FAT. If an adhesive for bonding rather than a filler is needed, see Epibond 8000 FR or Araldite 2050.
Request a price and lead time
Epocast 1648, 1649-1, 1614, 1645 FR, 1622 FAT — epoxy syntactic fillers for edges and cavities of honeycomb panels. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
What is the compressive strength of the syntactic Epocast 1648?
49.9 MPa (7250 psi). The compound is two-component and thixotropic, so it does not run off the panel edge.
How should Epocast 1614 A2/A3 be stored?
The material is supplied frozen. At −18 °C it is stored for more than 18 months, at −29 °C up to 24 months. After thawing the pot life is 24 hours at room temperature.
What is the shelf life of Epocast 1649-1?
12 months. The filler has a convenient mix ratio and meets the FST requirements.
Which Epocast grade meets FAR 25.853?
Such compliance is stated for 1645 FR, an ultra-light filler for cavities and edges. For 1648 and 1649-1 the data give the FAA FST requirements.
What are insert potting and ditch potting?
This is potting of inserts and grooves in honeycomb panels. This is how fittings are fixed in floor panels, partitions, overhead bins, galleys and lavatories.
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