---
product_id: 744700635
title: "3M Scotch-Weld Instant Adhesive Primer AC79, Clear, 2 fl oz Bottle"
brand: "3m"
price: "Bs.17"
currency: BOB
in_stock: false
reviews_count: 5
url: https://www.desertcart.bo/products/744700635-3m-scotch-weld-instant-adhesive-primer-ac79-clear-2-fl
store_origin: BO
region: Bolivia
---

# Fast drying in seconds Optimizes adhesion on tough elastomers Cure accelerator for rapid bonding 3M Scotch-Weld Instant Adhesive Primer AC79, Clear, 2 fl oz Bottle

**Brand:** 3m
**Price:** Bs.17
**Availability:** ❌ Out of Stock

## Summary

> 🔗 Stick with the best—prime your way to unbreakable bonds!

## Quick Answers

- **What is this?** 3M Scotch-Weld Instant Adhesive Primer AC79, Clear, 2 fl oz Bottle by 3m
- **How much does it cost?** Bs.17 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/744700635-3m-scotch-weld-instant-adhesive-primer-ac79-clear-2-fl)

## Best For

- 3m enthusiasts

## Why This Product

- Trusted 3m brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **One-Shot Success:** Maximize your bonding confidence—once applied, parts stay exactly where you place them.
- • **Lightning-Fast Dry Time:** Keep your projects moving at industrial speed with near-instant drying.
- • **Precision Bonding Power:** Ultra-thin formula wicks into microscopic gaps for flawless adhesion.
- • **Eco-Conscious & Compliant:** California-compliant formula that meets professional standards without compromise.
- • **Versatile Elastomer Compatibility:** Engineered to bond silicone, EPDM, TPE, and fluoroelastomers effortlessly.

## Overview

3M Scotch-Weld Instant Adhesive Primer AC79 is a clear, fast-drying primer designed to enhance adhesion on challenging flexible elastomers like silicone, EPDM, and TPE. Featuring a cure accelerator and ultra-thin formula, it ensures precise, durable bonds on low surface energy materials. Ideal for professional-grade repairs and industrial applications, this California-compliant primer streamlines surface prep and guarantees reliable, one-shot adhesion every time.

## Description

3M Scotch-Weld Instant Adhesive Primer AC79 is designed for use on difficult-to-bond low surface energy elastomers, such as EPDM, silicone and other rubbers. Surface preparation and application are straightforward and the adhesive primer is fast drying to keep jobs moving quickly.

Review: Holy smokes! Works like nothing I have ever used before!
Review: 3M clobbered it!

## Features

- Improves adhesion on flexible elastomers, including rubbers, such as silicone, fluoroelastomers, EPDM and TPE
- Fast drying to keep jobs moving quickly
- Contains cure accelerator
- Straightforward surface preparation and easy application
- California compliant

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B071W9H889 |
| Brand | 3M |
| Brand Name | 3M |
| Color | Clear |
| Colour | Clear |
| Compatible Material | Rubber |
| Container Type | Bottle |
| Customer Reviews | 4.2 out of 5 stars 113 Reviews |
| Global Trade Identification Number | 00051115313882 |
| Included Components | Adhesive Primer |
| Item Form | Paste |
| Item Package Quantity | 1 |
| Item form | Paste |
| Manufacturer | 3M |
| Material | Silicone |
| Material Type | Silicone |
| Model | AC79 |
| Other Special Features of the Product | Improves Adhesion on Flexible Elastomers, Contains Cure Accelerator |
| Special features | Improves Adhesion on Flexible Elastomers, Contains Cure Accelerator |
| Specific Uses For Product | Repair |
| Specific uses for product | Repair |
| UPC | 051115313882 |
| Unit Count | 2 Milliliters |
| Viscosity | Low to Medium |
| Volume | 2 Fluid Ounces |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** 3M
- **Item form:** Paste
- **Material:** Silicone
- **Special features:** Improves Adhesion on Flexible Elastomers, Contains Cure Accelerator
- **Specific uses for product:** Repair

## Images

![3M Scotch-Weld Instant Adhesive Primer AC79, Clear, 2 fl oz Bottle - Image 1](https://m.media-amazon.com/images/I/619rBEPCyhL.jpg)

## Questions & Answers

**Q: What are the ingredients?**
A: It is a mixture of acetone and C.A.S 67-64-1 (which is ch3coch3)

**Q: How is this applied? Does it come with an applicator of some sort?**
A: The cap has a small brush attached to it

## Customer Reviews

### ⭐⭐⭐⭐⭐ Holy smokes! Works like nothing I have ever used before!
*by R***R on 2 April 2024*



### ⭐⭐⭐⭐⭐ 3M clobbered it!
*by C***. on 16 February 2026*



### ⭐⭐⭐⭐⭐ Makes crazy good bonds, fixes nearly everything
*by H***S on 16 February 2026*



## Frequently Bought Together

- 3M Scotch-Weld Instant Adhesive Primer AC79, Clear, 2 fl oz Bottle
- 3M Scotch-Weld Plastic & Rubber Instant Adhesive PR40, Clear, 20 Gram Bottle
- 3M Scotch-Weld Plastic & Rubber Instant Adhesive PR1500, Clear, 20 Gram Bottle

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.bo/products/744700635-3m-scotch-weld-instant-adhesive-primer-ac79-clear-2-fl](https://www.desertcart.bo/products/744700635-3m-scotch-weld-instant-adhesive-primer-ac79-clear-2-fl)

---

*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-03-13*