3M Scotch-Weld™ Instant Adhesive Primer AC77 for Cyanoacrylate Bonding | Fast Cure Surface Primer

3M Scotch-Weld Instant Adhesive Primer AC77 is a high-performance primer designed to increase adhesion of cyanoacrylate adhesives on difficult-to-bond substrates. It is especially effective on low surface energy (LSE) plastics, rubbers, and elastomeric materials, improving bond strength and curing speed. AC77 is widely used in electronics, automotive, medical devices, and industrial assembly, where rapid and reliable bonding is required.

Features:

- Enhances Adhesion on LSE Surfaces.
- Optimized for Cyanoacrylate Adhesives.
- Fast Drying & Easy Application.
- Improves Bond Reliability.
- Expands Adhesive Compatibility.

Applications:

Automotive interior and exterior components, Electronic device assembly, Industrial and appliance assembly, Small-part bonding requiring fast curing, LSE material repairs.

Additional Documents:

3M Scotch-Weld Instant Adhesive Primer AC77 (TDS)

Adhesive Tapes Selection Guide

Category: 3M Adhesion Promoters

Description

Technical data

Legal Disclaimer

The values given are typical values, and do not constitute a specification. We recommend testing the suitability of the self-adhesive tape for the designated application or use. Please contact us or e-mail info@ysdiecut.com to determine product availability.

OEM: Delivers tailor-made adhesive tape products and die-cut components under your brand specifications—designed to integrate seamlessly into your end products.