ABLESTIK KS 4008
Harmonization Code : 3506.91.90.99 | 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 ; Adhesives based on polymers of headings 3901 to 3913 or on rubber; Other ; Other
Main features
- 0.01 ohm-cm Conductive Bonding
- Aircraft Static-Discharger Bonding
- Room-Temperature or Heat Cure
Product Description
LOCTITE® ABLESTIK KS 4008 is a two-component, silver-filled epoxy adhesive developed for bonding static dischargers to aircraft. The electrically conductive system combines a cured volume resistivity of 0.01 ohm-cm with aluminum-to-aluminum tensile lap shear strength of 10.3 N/mm² after curing for 2 hours at 60°C. It mixes at 100:6 by weight and provides a 60-minute working time for a 28 g mixed mass at 25°C. Room-temperature and heat-cure schedules are available, with a documented operating-temperature range of -55 to 125°C.
Key features
- Electrically conductive formulation: Silver-filled epoxy provides a typical cured volume resistivity of 0.01 ohm-cm.
- Documented bonding performance: Aluminum-to-aluminum tensile lap shear strength reaches 10.3 N/mm² after curing for 2 hours at 60°C.
- Room-temperature or heat cure: Guideline cure schedules include 24 hours at 25°C or 2 hours at 60°C.
Applications / Suitable for
- Bonding static dischargers to aircraft
- Aircraft assemblies requiring protection against electrostatic discharge
- Electrically conductive adhesive assembly
TDS, SDS & Technical Documents
Technical Specifications
General Properties
Thermal Properties
Electrical Properties
Additional Information
As-supplied / before-processing properties
Typical properties and processing characteristics of the individual components and mixed adhesive before cure.
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Appearance — Component A | Silver | — | Resin component, as supplied |
| Appearance — Component B | Amber | — | Hardener component, as supplied |
| Filler type | Silver | — | Epoxy adhesive system |
| Mix ratio — Component A:Component B | 100:6 | by weight | Two-component system |
| Viscosity — Component B | 7,000 | mPa·s (cP) | Brookfield RVF, ASTM D2393; spindle 5, 4 rpm at 25°C |
| Working time | 60 | minutes | 28 g mixed mass at 25°C |
| Shelf life — Component A | 365 | days | At 25°C |
| Shelf life — Component B | 365 | days | At 25°C |
| Cure schedule | 24 hours or 2 hours | — | 24 hours at 25°C or 2 hours at 60°C; guideline recommendations |
After-processing / final-state properties
Typical cured-material properties and performance results. Values are reference data and are not product specifications.
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Operating-temperature range | -55 to 125 | °C | Documented product range |
| Volume resistivity | 0.01 | ohm-cm | Cured material; test method not stated |
| Tensile lap shear strength — aluminum to aluminum | 10.3 (1,500) | N/mm² (psi) | Cured for 2 hours at 60°C |
| Tensile lap shear strength — aluminum to aluminum | 8.3 (1,200) | N/mm² (psi) | Cured for 24 hours at 25°C |
