Products

3M™ Scotch-Weld™ Surface Insensitive Instant Adhesive SI Gel

Brand: 3M™ Scotch-Weld™

Package Sizes: 0.71 oz (20 g) tubes; available in cases of 10 tubes.

Shelf Life: 15 months

Product Description

3M™ Scotch-Weld™ Surface Insensitive Instant Adhesive SI Gel is a high-performance, gel-type cyanoacrylate adhesive designed for bonding difficult-to-adhere surfaces. It offers superior performance on acidic and contaminated substrates, including wood, leather, and anodized aluminum, ensuring reliable bonds even under challenging conditions. The non-drip gel formula allows for easy application on vertical surfaces and fills gaps up to 0.008 inches (0.20 mm).

Key Features

  • Surface Insensitive Formula – Bonds well to acidic and porous surfaces
  • Gel Consistency – Provides precise application without dripping
  • Gap Filling Capability – Effective for uneven or rough surfaces
  • Fast Cure Time – Achieves handling strength in seconds
  • Versatile Adhesion – Works on rubber, plastic, wood, and metal

Recommended Applications

  • Bonding porous materials like wood and leather
  • Attaching rubber seals and gaskets
  • Structural bonding of plastic and metal parts
  • General repairs in automotive and industrial applications

Technical Data

Uncured Properties

Property Value
Color Clear
Base Resin Cyanoacrylate
Viscosity Gel

Curing & Strength Buildup

Property Value
Handling Strength Time Under 25 seconds
Time to Full Cure (23°C) 24 hours
Overlap Shear Strength Over 2,000 psi

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