EPOCAST® 1619-1 A/B

EPOCAST® 1619-1 A/B is a low-density, flame-retardant compound for potting fasteners in honeycomb structures. The lightweight epoxy can be poured or extruded through a 1/8 in. (3mm) nozzle orifice. It is resistant to water, fungus, and most aircraft fluids and qualified for Boeing BMS5-28, Type 19

RTU Product Type: Epoxy Adhesive, Potting Resin System, Syntactic Adhesive, Void Filler

Application Area: Honeycomb Structures, Potting Fasteners

Composites Processing Methods: Potting

Chemical Family: Epoxy & Epoxy Derivatives

Features: Extrudable, Flame Retardant, Fungus Resistant, Light Weight, Low Density, Pourable, Room Temperature Curing, Water Resistant

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Enhanced TDS

Identification & Functionality

Features & Benefits

Labeling Claims
Ready-to-Use Product Features
Product Features
  • No SVHC as defined by REACH
  • Flame retardant
  • Room temperature cure
  • Pourable/extrudable after mixing
Features and Benefits
  • Flame Retardant
  • Room Temperature Cure
  • Pourable 

Applications & Uses

Properties

Notes
  • Seven days at 77°F (25°C), or gel at room temperature plus five hours at 125°F (52°C).

Regulatory & Compliance

OEM Specifications

Technical Details & Test Data

Mixing Ratio
  • To 100 parts by weight of Epocast® 1619 A resin, add 25 parts by weight of Epocast® 1619 B hardener.
  • Mix both components thoroughly for several minutes to assure complete blending.
Cured Properties
Property Value Unit Test Method Condition
Lap shear strength, Al-Al 1,250 psi ASTM D1002 at 25°C
Compressive strength 6,000 psi ASTM D695 at 25°C
Compressive strength 480 psi ASTM D695 at 82°C
Compressive modulus 350 ksi ASTM D695 at 25°C
Hardness 65 Shore D ASTM D2240  
Weight change, immersion 0.3 % ASTM D543

at 25°C, Mil-S-3136, Type III test fluid

Weight change, immersion 0.4 % ASTM D543

at 25°C, Mil-M-5606 hydraulic fluid

Weight change, immersion 0.6 % ASTM D543

at 25°C, Skydrol 500A

Weight change, immersion 1.5 % ASTM D543

at 25°C, Distilled water

Flammability

Self-extinguishing

     
Processing Information

Mix Ratio

Product

Parts by weight

EPOCAST® 1619-1 A 100
EPOCAST® 1619-1 B 25

Mix both components thoroughly for 3 - 5 minutes to assure complete blending. Resin/filler separation may occur. Remix before use. Material temperatures should be above 18°C (65°F) when mixing.

 

Processing Data

Parameter

Value

Gel time, 62.5 g at 77°F (25°C), min 20 - 40
Typical Cure Cycles 7 days at 77°F (25°C) or
Gel at RT + 5 h at 125°F (52°C)

Safety & Health

Safety Information

keep out of reach of children

Storage & Handling

Storage Conditions
  • EPOCAST® 1619-1 A/B should be stored in a dry place, in the original sealed container at temperatures between 2°C and 40°C.
  • Tightly reseal containers after each use.
  • Under these storage conditions, and when supplied under Huntsman standard certification, the product has a shelf-life of 12 months (from date of manufacture).
  • The product should not be exposed to direct sunlight.

Other

Appearance
Off white semi-paste
Physical Properties
ValueUnitsTest Method / Conditions
Density0.7 g/cm³g/cm³ASTM D1622
Gel Time20.0-50.0 mmASTM D2471 at 25°C, 50g