---
product_id: 17520483
title: "21448 Green 638 High Strength Retaining Compound, 50 mL Bottle"
brand: "loctite"
price: "$45.59"
currency: USD
in_stock: true
category: "Loctite"
url: https://www.desertcart.ec/products/17520483-21448-green-638-high-strength-retaining-compound-50-ml-bottle
store_origin: EC
region: Ecuador
---

# 5 min full cure time Distinctive green color High strength formula 21448 Green 638 High Strength Retaining Compound, 50 mL Bottle

**Brand:** loctite
**Price:** $45.59
**Availability:** ✅ In Stock

## Summary

> 🛠️ Lock it down fast, lock it down strong!

## Quick Answers

- **What is this?** 21448 Green 638 High Strength Retaining Compound, 50 mL Bottle by loctite
- **How much does it cost?** $45.59 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/17520483-21448-green-638-high-strength-retaining-compound-50-ml-bottle)

## 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

- • **Rapid 5-Minute Cure:** Get back to work faster with industry-leading quick bonding.
- • **Precision Application:** 50 mL bottle with medium viscosity for controlled, mess-free use.
- • **Trusted Industry Leader:** Loctite brand reliability with top #3 rank in retaining compounds.
- • **Unmatched Holding Power:** High strength retaining compound engineered for alloy steel durability.
- • **Distinctive Green Formula:** Easily identify your compound on the job site for seamless workflow.

## Overview

Loctite 21448 Green 638 is a high strength retaining compound designed for rapid 5-minute curing and superior bonding on alloy steel parts. Packaged in a convenient 50 mL bottle with medium viscosity, it ensures precise application and reliable repair performance. Trusted by professionals, it ranks #3 in retaining compounds and features a distinctive green color for easy identification.

## Description

Loctite 21448 Green 638 High Strength Retaining Compound, 50 mL Bottle

## Features

- Approvals: Canadian Food Inspection Agency (CFIA)
- Item Package Length: 5.99999999388"
- Item Package Width: 1.99999999796"
- Item Package Height: 1.099999998878"

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000O01EV0 |
| Best Sellers Rank | #9,028 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Retaining Compounds |
| Brand Name | Loctite |
| Color | Green |
| Compatible Material | Alloy Steel |
| Container Type | Bottle |
| Customer Reviews | 4.7 4.7 out of 5 stars (680) |
| Full Cure Time | 5 Minutes |
| Global Trade Identification Number | 00079340006393, 00079340214484 |
| Included Components | Item |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Weight | 0.18 Pounds |
| Manufacturer | Loctite |
| Material Type | [Loctite 638 Compound] |
| Model | 21448 |
| Other Special Features of the Product | Green |
| Part Number | 21448 |
| Specific Uses For Product | Repair |
| UPC | 079340214484 079340006393 |
| Unit Count | 1.69 Fluid Ounces |
| Viscosity Level | Medium |
| Volume | 50 Milliliters |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** Loctite
- **Item Form:** Liquid
- **Material:** [Loctite 638 Compound]
- **Special Feature:** Green
- **Specific Uses For Product:** Repair

## Images

![21448 Green 638 High Strength Retaining Compound, 50 mL Bottle - Image 1](https://m.media-amazon.com/images/I/412NF8GNOhL.jpg)

## Questions & Answers

**Q: How much should a new bottle weigh? Mine feels kind of empty.**
A: The bottle should be half empty. The air is required to prevent it from hardening in the bottle.

**Q: What Country is this product make in ?**
A: India

**Q: Would this work on O.D. Rubber seal surface to metal housing? (or only metal to metal?**
A: It's only designed for metal to metal

**Q: Does well does "638" provide sealing properties?  Thank you**
A: Real non counterfeit loctite has a QR verification code on the bottle I returned mine

## Frequently Bought Together

- Loctite 21448 Green 638 High Strength Retaining Compound, 50 mL Bottle
- Loctite 620 442-62040 50ml Retaining Compound, High Temperature, Green Color
- 21347 Loctite Primer N 7649, Aerosol Can, 25g, Green

---

## 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.ec/products/17520483-21448-green-638-high-strength-retaining-compound-50-ml-bottle](https://www.desertcart.ec/products/17520483-21448-green-638-high-strength-retaining-compound-50-ml-bottle)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-07-31*