EPOCAST® 1635 A/B

EPOCAST® 1635-A/B epoxy syntactic is a two-component, high-performance material designed for refilling mis-drilled holes in composite parts. This aluminum-filled, high-viscosity system exhibits outstanding compressive strength and dynamic fatigue resistance under load at elevated temperatures. This product is qualified to BMS 5-28, Type 31.

RTU Product Type: Syntactic Adhesive, Void Filler

Compatible Substrates & Surfaces: Composites

Chemical Family: Epoxy & Epoxy Derivatives

Features: Fatigue Resistant, Good Compressive Strength, High Density, High Fatigue Resistance, High Performance, High Strength, High Temperature Performance, High Viscosity

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Enhanced TDS

Identification & Functionality

Features & Benefits

Ready-to-Use Product Features
Product Features
  • Performs at temperatures of up to 350°F (177°C)
  • High strength
  • Fatigue resistant
Features and Benefits
  • Performs at temperatures of up to 350°F (177ºC)
  • High strength
  • Fatigue resistant

Applications & Uses

Compatible Substrates & Surfaces
Markets
Applications
Mixing Ratio
Product Parts by weight
EPOCAST® 1635 A Resin 100
EPOCAST® 1635 B Hardener 23

Material temperatures should be above 18°C (65°F) when mixing. Mix both components thoroughly for 3 - 5 minutes to insure complete and uniform mixing or use a 4:1 dual-barrel cartridge, with 6-inch, 20-element mixing nozzle, to dispense.

Properties

Physical Form

Regulatory & Compliance

OEM Specifications

Technical Details & Test Data

Mix Ratio Data

Material temperatures should be above 18°C (65°F) when mixing. Mix both components thoroughly for 3 - 5 minutes to insure complete and uniform mixing or use a 4:1 dual-barrel cartridge, with 6-inch, 20- element mixing nozzle, to dispense.

Processing Guidelines
Property Value Unit Test Method Condition
Gel time min. 60 min - at 25°C, 100 g
Extrusion min. >90 g/min - at 25°C, 80 psig
Typical cure cycles 7 days - -

at 25°C , Gel at 25°C + 150 min at 93°C

Typical Physical Properties
Property Value Unit Test Method Condition
Tensile lap shear 1.5 ksi ASTM D695

at 25°C after 7 days at 25°C or 2.5 hours at 93°C

Compressive strength 15 ksi ASTM D695

at 25°C, after 7 days at 25°C

Compressive strength 12 ksi ASTM D695

at 177°C, after 7 days at 25°C

Compressive strength 25 ksi ASTM D695

at 25°C, after 2.5 hours at 93°C

Compressive strength 12 ksi ASTM D695

at 177°C, after 2.5 hours at 93°C

Fluid weight gain max.1.0 % ASTM D543-87 DI water
Fluid weight gain max.1.0 % ASTM D543-87

BMS 3-11 Ty IV Cl 1 Gr A hydraulic (Skydrol 500B)

Fluid weight gain max.1.0 % ASTM D543-87

MIL-PRF-5606 hydraulic

Fluid weight gain max.1.0 % ASTM D543-87

TT-S-735 Ty III ref fuel

Packaging & Availability

Country Availability
Packaging Type
Regional Availability
  • Americas
  • Asia Pacific
  • EIMEA

Storage & Handling

Storage Conditions
  • EPOCAST® 1635 A/B should be stored in a dry place in the original sealed containers at temperatures between 5°C and 25°C (41°F and 77°F). After use, tightly reseal containers. Under these storage conditions, and when supplied under Huntsman standard certification, the product has a shelf life of 1 year (from date of manufacture). EPOCAST® 1635 A/B should not be exposed to direct sunlight.
  • Store with adequate ventilation, away from excessive heat, sources of ignition and reactive materials. Do not store near food or feed. Corrosive to copper and brass during long-term storage.
Storage Information
  • EPOCAST® 1635 A/B should be stored in a dry place in the original sealed containers at temperatures between 5°C and 25°C (41°F and 77°F).
  • After use, tightly reseal containers.
  • Under these storage conditions, the product has a shelf life of 1 year (from date of manufacture).
  • The product should not be exposed to direct sunlight.

Other

Physical Properties
ValueUnitsTest Method / Conditions
Density1.8 g/cm³g/cm³ASTM D1622 at 25°C
Viscositymin. 100000.0 cPscPsASTM D2196 at 25°C