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LOCTITE® 638

Product Description

LOCTITE® 638 is a high-strength retaining compound designed for bonding coaxial fitting parts. It performs exceptionally well on all metals, including passive substrates. With its high viscosity and gap-filling capacity up to 0.25 mm, it is indispensable for assembling shafts, gears and pulleys.


Properties

  • Speed: Offers a fast fixture time of just 4 minutes,
  • Resistance: To chemicals (details in TDS) and temperatures ranging from -55°C to 180°C,
  • Versatility: Effectively secures and seals threaded connections as well.

Key Technical Features

Technology Acrylic
Chemical type Urethane methacrylate
Appearance (uncured) Green liquid
Cure Anaerobic
Viscosity High
Components One component - requires no mixing
Secondary Cure Activator
Application Retaining
Strength High
Fluorescence Positive under UV light

Application / product picture

* Full technical information is available in the product technical data sheet.
Upon request, we provide certificates such as: COA (Certificate of Analysis), COC (Certificate of Conformity), and COO (Certificate of Origin).

Assortment