Applications

LOCTITE HHD 9393 BK – Elastomeric Adhesive – Device Assembly & General Industrial Applications

Item Name: LOCTITE HHD 9393 BK
Manufacturer: Henkel
Technologies: MS Polymer
Color: Black paste
Cure Type: Moisture cure
Package Size: Contact to Techniq VN for details.
Shelf Life: Contact to Techniq VN for details.

1. Product Overview

LOCTITE HHD 9393 BK is a one-component silane-modified polymer adhesive that cures upon exposure to ambient moisture. Supplied as a black paste, it is free of solvents, isocyanates, silicones, and PVC. The formulation provides excellent bond strength and broad substrate compatibility. Cure speed depends on temperature, humidity, and joint depth, with higher temperatures and sufficient moisture accelerating the process.


2. Applications

  • Device assembly requiring durable elastomeric bonding

  • Adhesive applications where high strength, environmental resistance, and solvent-free formulation are valued

3. Typical Properties

Property Still Not Mixed (Uncured) After Cured (7 days @ 23 °C, 50% RH)
Appearance Black paste Solid elastomer
Viscosity (25 °C, Spindle 52, 2.5 rpm) 30,000 mPa·s
Cure mechanism Moisture cure Fully cross-linked
Skin over time 6–10 min
Application temperature 5–40 °C
Hardness (Shore A) 47
Lap shear strength (PPA to PPA) 2.51 N/mm²

The uncured adhesive demonstrates thixotropic flow with rapid skin formation under standard conditions, enabling easy handling. Once cured, it becomes a medium-hard elastomer with reliable shear strength suitable for structural bonding. Its solvent-free composition enhances safety and environmental compliance while ensuring robust adhesion to a wide range of substrates.

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