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LOCTITE® SI 3407™ – Heat cure silicone adhesive sealant – Fiber optic industry bonding and gasketing

  • Item Name: LOCTITE® SI 3407™
  • Manufacturer: Henkel
  • Product Category: Bonding, Sealing, and Gasketing
  • Technologies: Silicone
  • Applications: Designed for bonding, sealing, or gasketing in the fiber optic industry.
  • Color: Black paste
  • Cure Type: Heat cure
  • Package Size: Contact Techniq VN for details.
  • Shelf Life: Contact Techniq VN for details.

LOCTITE® SI 3407™ 

1. Product Overview

LOCTITE® SI 3407™ is a black, one-component, heat-curing silicone adhesive used for bonding, sealing, and gasketing applications. It is primarily designed for use in the fiber optic industry.

2. Applications

  • Bonding, sealing, and gasketing
  • Ideal for fiber optic applications

3. Typical Properties

Property Value
Uncured Properties
Specific Gravity @ 25°C 1.28
Flow (ISO 7390, after 2 min @ 25°C) <2.5 mm
Extrusion Rate (30 cc Syringe, No tip/nozzle, 0.14 MPa, 25°C) ≤5 g/min
Cured Properties (1 hour @ 150°C)
Shore Hardness (ISO 868, Durometer A) 26 – 50
Elongation (ISO 37) 350 – 700%
Tensile Strength (ISO 37) ≥3.4 N/mm² (≥493 psi)
Lap Shear Strength (ISO 4587, Aluminum) ≥3.4 N/mm² (≥493 psi)

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