---
product_id: 523953155
title: "SF 7649 Primer-100ml | Ideal for passive metals or inert surfaces and with large bond gap | Excellent performance in low temperatures (< 15°C) | Increases cure speed | NSF certified"
brand: "loctite"
price: "$27.54"
currency: USD
in_stock: true
reviews_count: 1
category: "Loctite"
url: https://www.desertcart.us/products/523953155-sf-7649-primer-100ml-ideal-for-passive-metals-or-inert
store_origin: US
region: United States of America
---

# Boosts cure speed Works below 15°C NSF certified & waterproof SF 7649 Primer-100ml | Ideal for passive metals or inert surfaces and with large bond gap | Excellent performance in low temperatures (< 15°C) | Increases cure speed | NSF certified

**Brand:** loctite
**Price:** $27.54
**Availability:** ✅ In Stock

## Summary

> ⚡ Prime Fast, Bond Strong – Don’t Let Low Temps Slow You Down!

## Quick Answers

- **What is this?** SF 7649 Primer-100ml | Ideal for passive metals or inert surfaces and with large bond gap | Excellent performance in low temperatures (< 15°C) | Increases cure speed | NSF certified by loctite
- **How much does it cost?** $27.54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/523953155-sf-7649-primer-100ml-ideal-for-passive-metals-or-inert)

## Best For

- loctite enthusiasts

## Why This Product

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

## Key Features

- • **Certified Confidence:** NSF certified and waterproof, guaranteeing industrial-grade reliability and durability.
- • **Cold-Weather Warrior:** Ensures reliable bonding performance even in chilly conditions below 15°C—no more seasonal delays.
- • **Gap-Friendly Formula:** Designed to handle large bond gaps without compromising strength or cure time.
- • **Master of Passive Metals:** Specially formulated primer for tough-to-bond inert surfaces like aluminum, magnesium, and titanium.
- • **Accelerate Your Adhesive Game:** Speeds up curing for Loctite anaerobic adhesives, saving you valuable time on every project.

## Overview

Loctite SF 7649 Primer is a 100ml liquid primer engineered to accelerate the cure speed of Loctite anaerobic adhesives on passive metals and inert surfaces, especially effective in low temperatures below 15°C. It supports large bond gaps and is NSF certified for waterproof, industrial-grade applications.

## Description

Loctite SF 7649 Primer-100ml | Ideal for passive metals or inert surfaces and with large bond gap | Excellent performance in low temperatures (< 15°C) | Increases cure speed | NSF certified : desertcart.in: Industrial & Scientific

Review: least effective on stainless steel - not much effective on stainless steel surface. No visible or quality difference in paint before and after application

## Features

- Increases Cure Speed of Loctite anaerobic adhesives and sealants on all Surfaces
- Facilitates curing in low-temperature conditions (< 15°C / < 60°F) For large bond gaps
- Primer is required with Inactive surfaces: Aluminum, stainless steel, magnesium, zinc, black oxide, cadmium, titanium, and others.
- Promotes the cure speed of LOCTITE anaerobic adhesives & sealants
- For use on applications with passive metals & inactive surfaces

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07BCC4SPR |
| Best Sellers Rank | #37,662 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #557 in Universal Adhesives |
| Brand | Loctite |
| Brand Name | Loctite |
| Colour | Green |
| Compatible Material | Metal |
| Container Type | Bottle |
| Country of Publication | India |
| Customer Reviews | 3.9 out of 5 stars 12 Reviews |
| Included Components | Loctite 7649: 1 |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Type Name | Primer |
| Item Weight | 213 Grams |
| Manufacturer | D3/D4, MIDC Industrial Estate, Jejuri, Purandhar, Pune, Maharashtra - 412303., Loctite |
| Manufacturer Contact Information | D3/D4, MIDC Industrial Estate, Jejuri, Purandhar, Pune, Maharashtra - 412303. |
| Model | 849297 |
| Other Special Features of the Product | Increases Cure Speed on Inert Surfaces |
| Packer Contact Information | D3/D4, MIDC Industrial Estate, Jejuri, Purandhar, Pune, Maharashtra - 412303. |
| Special Feature | Increases Cure Speed on Inert Surfaces |
| Specific Uses For Product | All Surfaces |
| Unit Count | 100.0 Milliliters |
| Volume | 100 Millilitres |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Loctite
- **Colour:** Green
- **Item Form:** Liquid
- **Special Feature:** Increases Cure Speed on Inert Surfaces
- **Specific Uses For Product:** All Surfaces

## Images

![SF 7649 Primer-100ml | Ideal for passive metals or inert surfaces and with large bond gap | Excellent performance in low temperatures (< 15°C) | Increases cure speed | NSF certified - Image 1](https://m.media-amazon.com/images/I/71cxLRUX+sL.jpg)

## Customer Reviews

### ⭐⭐ least effective on stainless steel
*by M***S on 11 March 2024*

not much effective on stainless steel surface. No visible or quality difference in paint before and after application

## Frequently Bought Together

- Loctite SF 7649 Primer | Bonds inactive metal like stainless steel, aluminium and plated metal | Increases cure speed | 100 ml
- Loctite 406, 20g,instant adhesive, thin and transparent application, plastic,cyanoarcylate, very fast fixing, low visosity, rubber

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-26*