---
product_id: 19831200
title: "Mastercool 90935 Alum Bond Aluminum Repair Compound – High-Strength Aluminum-Filled Epoxy for Castings, Radiators, Tanks & Engine Components – Machinable Metal Repair Solution"
brand: "mastercool"
price: "€ 50.77"
currency: EUR
in_stock: true
category: "Mastercool"
url: https://www.desertcart.hr/products/19831200-mastercool-90935-alum-bond-aluminum-repair-compound-high-strength-aluminum
store_origin: HR
region: Croatia
---

# Controlled working time for precision Heat resistant up to 250°F 8600 PSI compressive strength Mastercool 90935 Alum Bond Aluminum Repair Compound – High-Strength Aluminum-Filled Epoxy for Castings, Radiators, Tanks & Engine Components – Machinable Metal Repair Solution

**Brand:** mastercool
**Price:** € 50.77
**Availability:** ✅ In Stock

## Summary

> 🔩 Fix it once, fix it like a pro — Mastercool Alum Bond seals the deal!

## Quick Answers

- **What is this?** Mastercool 90935 Alum Bond Aluminum Repair Compound – High-Strength Aluminum-Filled Epoxy for Castings, Radiators, Tanks & Engine Components – Machinable Metal Repair Solution by mastercool
- **How much does it cost?** € 50.77 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/19831200-mastercool-90935-alum-bond-aluminum-repair-compound-high-strength-aluminum)

## Best For

- mastercool enthusiasts

## Why This Product

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

## Key Features

- • **Machinable After Cure:** Drill, sand, or tap repairs to restore full functionality without costly replacements.
- • **Precision Application:** Non-sag formula and controlled working time let you perfect every vertical or overhead fix.
- • **Heat-Resistant Durability:** Engineered to endure up to 250°F, ideal for automotive and HVAC environments.
- • **Industrial-Grade Strength:** Withstands 8600 PSI compressive and 3500 PSI tensile forces for lasting repairs.
- • **Trusted Professional Quality:** Mastercool’s proven reliability empowers technicians to fix with confidence.

## Overview

Mastercool 90935 Alum Bond is a high-strength, aluminum-filled epoxy designed for permanent repairs on aluminum castings, radiators, tanks, and engine components. Offering 8600 PSI compressive strength and machinability after curing, it delivers durable, heat-resistant fixes with a non-sag formula for precise application. Trusted by professionals, it’s the go-to solution for restoring critical metal parts without replacement.

## Description

Buy Mastercool 90935 Alum Bond Aluminum Repair Compound – High-Strength Aluminum-Filled Epoxy for Castings, Radiators, Tanks & Engine Components – Machinable Metal Repair Solution: Air Conditioning Line Repair Tools - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- ✔ ALUMINUM-FILLED METAL REPAIR COMPOUND – Professional-grade aluminum-filled polymer designed to permanently repair cracks, blow holes, and casting imperfections in aluminum components including radiators, engine blocks, housings, tanks, and HVAC parts.
- ✔ HIGH-STRENGTH INDUSTRIAL PERFORMANCE – Engineered for demanding repairs with approximately 8,600 PSI compressive strength and 3,500 PSI tensile strength, creating a durable repair capable of restoring damaged aluminum surfaces.
- ✔ MACHINABLE AFTER CURING – Once fully cured, the repair compound can be drilled, sanded, tapped, or machined using standard metalworking tools, allowing technicians to restore functionality without replacing expensive components.
- ✔ NON-SAG FORMULA FOR VERTICAL APPLICATIONS – Thick paste consistency allows Alum Bond to stay in place during application, making it ideal for filling cavities, blow holes, porosity, and irregular surfaces on vertical or overhead repairs.
- ✔ HIGH TEMPERATURE RESISTANCE – Designed for automotive, HVAC, and industrial environments with temperature resistance up to 250°F (121°C) after full cure.
- ✔ CONTROLLED WORKING TIME FOR PRECISE REPAIRS – Provides a practical working window depending on temperature conditions, allowing technicians time to properly apply and shape repairs before curing.
- ✔ IDEAL FOR CASTING DEFECT AND SURFACE REPAIRS – Specifically designed for repairing aluminum castings, radiators, tanks, valves, pumps, engine blocks, and HVAC components where surface defects or porosity require permanent repair.
- ✔ TRUSTED MASTERCOOL PROFESSIONAL QUALITY – Mastercool products are designed for professional technicians and supported by a trusted U.S.-based company known for reliable automotive and HVAC service tools.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00CDDA1OW |
| Best Sellers Rank | #7,073 in Automotive ( See Top 100 in Automotive ) #33 in Air Conditioning Line Repair Tools |
| Brand | Mastercool |
| Customer Reviews | 4.3 4.3 out of 5 stars (62) |
| Date First Available | April 16, 2013 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 7.2 ounces |
| Item model number | 90935 |
| Manufacturer | Mastercool |
| Manufacturer Part Number | 90935 |
| Model | 90935 |
| OEM Part Number | 90935 |
| Product Dimensions | 6 x 3 x 2 inches |
| Special Features | High Concentration of Aluminum Particles, Maximum Strength, Durability, and Ease of Application |

## Images

![Mastercool 90935 Alum Bond Aluminum Repair Compound – High-Strength Aluminum-Filled Epoxy for Castings, Radiators, Tanks & Engine Components – Machinable Metal Repair Solution - Image 1](https://m.media-amazon.com/images/I/71m4+SPy3VL.jpg)

## Questions & Answers

**Q: Would this work on a evaporator? Need to seal a small leak**
A: Yes it would . However, if your evaporator is leaking in one spot due to old age and corrosion, the rest is not far behind. Replace it. If you punctured the core and its in good shape then by all means.

## Frequently Bought Together

- MASTERCOOL 90935 A/C Repair Epoxy
- J-B Weld 8267 SteelStik Steel Reinforced Epoxy Putty Stick - 2 oz.

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**Shop now:** [https://www.desertcart.hr/products/19831200-mastercool-90935-alum-bond-aluminum-repair-compound-high-strength-aluminum](https://www.desertcart.hr/products/19831200-mastercool-90935-alum-bond-aluminum-repair-compound-high-strength-aluminum)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-15*