---
product_id: 744700643
title: "3M Scotch-Weld AC79 Clear Instant Adhesive Primer, 2 fl oz Bottle"
brand: "スリーエム(3m)"
price: "$2"
currency: NZD
in_stock: false
url: https://www.desertcart.nz/products/744700643-3m-scotch-weld-ac79-clear-instant-adhesive-primer-2-fl
store_origin: NZ
region: New Zealand
---

# Quick-drying formula California compliant eco-friendly Enhances adhesion on tough elastomers 3M Scotch-Weld AC79 Clear Instant Adhesive Primer, 2 fl oz Bottle

**Brand:** スリーエム(3m)
**Price:** $2
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Stick faster, bond stronger, work smarter!

## Quick Answers

- **What is this?** 3M Scotch-Weld AC79 Clear Instant Adhesive Primer, 2 fl oz Bottle by スリーエム(3m)
- **How much does it cost?** $2 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/744700643-3m-scotch-weld-ac79-clear-instant-adhesive-primer-2-fl)

## Best For

- スリーエム(3m) enthusiasts

## Why This Product

- Trusted スリーエム(3m) brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Bond Like a Pro:** Optimized for flexible elastomers including silicone, EPDM, and TPE for unbeatable adhesion.
- • **Speed Meets Precision:** Quick-drying primer accelerates your workflow without compromising quality.
- • **Effortless Surface Prep:** Simplifies installation with easy surface treatment—get the job done faster.
- • **Eco-Conscious Compliance:** California compliant formula aligns with your sustainability values.
- • **Hardening Accelerator Inside:** Built-in hardening agent ensures a durable, long-lasting bond every time.

## Overview

3M Scotch-Weld AC79 Clear Instant Adhesive Primer is a 2 fl oz quick-drying primer designed to improve adhesion on low surface energy elastomers like silicone, EPDM, and TPE. Featuring a hardening accelerator and easy surface prep, it enables faster, more reliable repairs while meeting California environmental standards.

## Description

3M Scotch-Weld Instant Glue Primer AC79 is designed for use with low surface energy elastomers that are difficult to bond such as EPDM, silicone and other rubber. Surface preparation and installation is easy, adhesive primer is quick drying, making it easier to work faster.

## Features

- Improves adhesion to flexible elastomers including silicone, fluorine elastomer, EPDM and TPE rubber
- Quick drying for quick work
- Contains hardening accelerator
- Easy surface treatment and easy installation
- California Compliant

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | 3M |
| Part number | 31388 |
| Item Weight | 59 g |
| Package Dimensions | 13.11 x 4.5 x 3.71 cm; 59 g |
| Size | 2 fl oz |
| Color | clear |
| Material | Silicone |
| Measurement System | US |
| Special Features | Improves adhesion to flexible elastomers and contains hardening accelerator |
| Specific Uses For Product | Repair |
| Included Components | Adhesive Primer |
| Batteries Required? | No |

## Product Details

- **Brand:** スリーエム(3M)
- **Specific Uses For Product:** Repair
- **Material:** Silicone
- **Item Form:** Paste
- **Special Feature:** Improves adhesion to flexible elastomers and contains hardening accelerator

## Images

![3M Scotch-Weld AC79 Clear Instant Adhesive Primer, 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

## 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

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**Shop now:** [https://www.desertcart.nz/products/744700643-3m-scotch-weld-ac79-clear-instant-adhesive-primer-2-fl](https://www.desertcart.nz/products/744700643-3m-scotch-weld-ac79-clear-instant-adhesive-primer-2-fl)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-26*