ECCOBOND F112

Harmonization Code : 5906100000 | Adhesive tape of a width not exceeding 20cm

ECCOBOND F112

Main features

  • Low-Viscosity Controlled Dispensing
  • Thermal-Shock and Impact Resistance
  • Low-Stress No-Pistoning Connections

Product Description

LOCTITE ECCOBOND F 112 MINIPAX is a dark-blue, two-component epoxy adhesive formulated for fiber optic assembly, including multimode and single-mode connectors, as well as small potting and sealing applications. The 100:30 resin-to-hardener weight ratio produces a low-viscosity mixed adhesive with a typical viscosity of 1,800 mPa·s at 25°C. A 2 g mix provides a 30-minute pot life and a 1-hour work life. The adhesive can be cured at room temperature or with accelerated heat schedules and develops sufficient cure for connector polishing after 15 minutes at 65°C. The cured material has a documented operating-temperature range of -60 to 120°C.

Key features

  • Low mixed viscosity: Typical viscosity of 1,800 mPa·s at 25°C supports application in compact fiber optic assemblies.
  • Flexible cure schedules: Cure options include 24 hours at 25°C, 1 hour at 65°C, or 15 minutes at 90°C.
  • Low-stress connector bonding: Documented thermal-shock and impact resistance with low-stress connections and no pistoning.

Applications / Suitable for

  • Multimode fiber optic connector assembly
  • Single-mode fiber optic connector assembly
  • Small potting and sealing applications
Product Family

ECCOBOND F112

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TDS, SDS & Technical Documents

Technical Specifications

Physical Properties
Thixotropic index
Thixotropic Index is a ratio of a material s viscosity at two different speeds in Ambient temperature, generally different by a factor of ten. A thixotropic material s viscosity will decrease as agitation or pressure is increased. It indicates the capability of a material to hold its shape. Mayonnaise is a great example of this. It holds its shape very well, but when a shear stress is applied, the material easily spreads. It helps in choosing a material in accordance to the application, dispense method and viscosity of a material.
1.0
General Properties
Mix Ratio
The amount of a constituent divided by the total amount of all other constituents in a mixture
100:30
Refractive index
The refractive index determines how much the path of light is bent, or refracted, when entering a material. It is calculated by taking into account the velocity of light in vacuum compared to the velocity of light in the material. The refractive index calculation can be affected by the wavelength of light and the temperature of the material. Even though it is usually reported on standard wavelengths it is advised to check the TDS for the precise test parameters.
1.51
Specific Gravity
Specific gravity (SG) is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume. For liquids, the reference substance is almost always water (1), while for gases, it is air (1.18) at room temperature. Specific gravity is unitless.
1.2
Thermal Properties
Glass Transition Temperature (Tg)
The glass transition temperature for organic adhesives is a temperature region where the polymers change from glassy and brittle to soft and rubbery. Increasing the temperature further continues the softening process as the viscosity drops too. Temperatures between the glass transition temperature and below the decomposition point of the adhesive are the best region for bonding. The glass-transition temperature Tg of a material characterizes the range of temperatures over which this glass transition occurs.
102 °C
Chemical Properties
Water Absorption
0.07 %

Additional Information

Technical properties

As-supplied / before-processing properties

Typical reference values for the components, mixed adhesive, and recommended cure schedules. These values are not guaranteed product specifications.

Property Value Unit Method / condition
Appearance Dark blue — As supplied
Components Two — Resin and hardener; requires mixing
Mix ratio 100:30 Parts by weight Resin:hardener
Viscosity 1,800 mPa·s (cP) After mixing at 25°C
Thixotropic index 1.0 — Typical value
Pot life 30 min Based on a 2 g mixed quantity
Work life 1 h Based on a 2 g mixed quantity
Recommended cure schedules 24 h at 25°C; 1 h at 65°C; 15 min at 90°C — Guideline schedules; actual conditions may vary with application and equipment
Technical properties

After-processing / final-state properties

Typical cured-material and bonded-joint values. Lap-shear results apply specifically to the documented aluminum-to-aluminum test configuration and cure conditions.

Property Value Unit Method / condition
Operating-temperature range -60 to 120 °C Documented product operating range
Glass-transition temperature 102 °C Ultimate Tg
Hardness 86 Shore D Cured material
Refractive index 1.51 — Cured material
Water absorption 0.07 % After 24 hours of saturation
Specific gravity 1.2 — Cured material
Lap-shear strength 2,500 / 3,000 / 4,300 psi Aluminum-to-aluminum after 24 h at 25°C / 1 h at 65°C / 15 min at 90°C, respectively

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