Products

3M™ Scotch-Weld™ Rubber Toughened Instant Adhesive RT5000B

Brand: 3M™ Scotch-Weld™
Package Sizes: 20 g, 500 g
Shelf Life: 15 months

Product Description

3M™ Scotch-Weld™ Rubber Toughened Instant Adhesive RT5000B is a high-viscosity, black, rubber-toughened cyanoacrylate adhesive. Formulated with a unique elastomer, it maximizes impact, vibration, and peel resistance, providing tough, flexible bonds. This adhesive is ideal for bonding flexible substrates and dissimilar materials, offering strong, durable, and long-lasting bonds on a variety of substrates.


Key Features

  • High Viscosity – Easily applied from the bottle, suitable for gap filling up to 0.008 inches
  • Fast Curing – Achieves handling strength in under 40 seconds, with full cure in 24 hours
  • Enhanced Toughness – Maximizes impact, vibration, and peel resistance
  • Versatile Bonding – Bonds plastics, rubbers, metals, and composite materials
  • Precise Application – Flexible container allows for controlled dispensing; pinch for a precise drop or squeeze for a steady bead

Recommended Applications

  • Speaker Assembly – Ensures durable bonds in audio equipment manufacturing
  • Plastic and Rubber Bonding – Ideal for bonding flexible substrates or dissimilar materials
  • Gap Filling – Suitable for applications requiring filling gaps up to 0.008 inches
  • Small Joint Assembly – Provides strong bonds for small components in various industries

Technical Data

Typical Uncured Physical Properties

Attribute Name Value
Color Black
Viscosity 5,000 – 15,000 cP¹
Base Ethyl

¹ Brookfield viscosity Spindle #4 @ 2.5 rpm.


Typical Cured Physical Properties

Attribute Name Value
Handling Strength Time <40 seconds¹
Full Cure Time 24 hours
Overlap Shear Strength >2,000 psi²
Continuous Temperature Range -60 to 180°F³

¹ Time to handling strength is substrate-dependent; measured on EPDM.
² Overlap shear strength varies by substrate; refer to the technical data sheet for detailed values.
³ Suitable for use at temperatures up to 180°F (82°C) continuously, intermittently up to 250°F (121°C).

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