---
product_id: 606571172
title: "MEK Peroxide 8oz - 236cc Clear Catalyst-Hardener for Polyester Resins, Gelcoats, Vinyl Esters, Ceramic Transom Pour, Includes 1oz Measuring Cup"
brand: "polymer world"
price: "€ 45.71"
currency: EUR
in_stock: true
reviews_count: 8
category: "Polymer World"
url: https://www.desertcart.it/products/606571172-mek-peroxide-8oz-236cc-clear-catalyst-hardener-for-polyester-resins
store_origin: IT
region: Italy
---

# Precise 1-3% catalyst ratio Fast 45-60s cure mix time Made in USA quality MEK Peroxide 8oz - 236cc Clear Catalyst-Hardener for Polyester Resins, Gelcoats, Vinyl Esters, Ceramic Transom Pour, Includes 1oz Measuring Cup

**Brand:** polymer world
**Price:** € 45.71
**Availability:** ✅ In Stock

## Summary

> 🔥 Cure Faster, Build Stronger, Lead the Pack!

## Quick Answers

- **What is this?** MEK Peroxide 8oz - 236cc Clear Catalyst-Hardener for Polyester Resins, Gelcoats, Vinyl Esters, Ceramic Transom Pour, Includes 1oz Measuring Cup by polymer world
- **How much does it cost?** € 45.71 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/606571172-mek-peroxide-8oz-236cc-clear-catalyst-hardener-for-polyester-resins)

## Best For

- polymer world enthusiasts

## Why This Product

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

## Key Features

- • **Accelerate Your Projects:** Triggers rapid polymerization for durable, solid composites in under a minute.
- • **Precision Mixing Control:** Optimized 1-3% MEKP ratio ensures perfect curing every time—no guesswork needed.
- • **Ready-to-Use Convenience:** Includes 1oz measuring cup for exact dosing and hassle-free application.
- • **Versatile Industrial Use:** Ideal for polyester resins, gelcoats, vinyl esters, and ceramic transom pours.
- • **Trusted American Craftsmanship:** Proudly made in the USA by Polymer World, backed by 7+ years of boating industry expertise.

## Overview

Polymer World's MEK Peroxide 8oz is a premium catalyst designed to initiate and accelerate curing in polyester and vinyl ester resins, gelcoats, and ceramic pours. With a precise 1-3% mixing ratio and a quick 45-60 second activation time, this US-made catalyst ensures reliable, durable composite formation. Perfect for professionals demanding consistent, high-performance results in industrial and marine applications.

## Description

Introducing the High-Quality Polymer World MEK-P Catalyst 8oz for Polyester Resins, Gelcoat, Ceramic Pour and Vinyl Esters.MEKP (Methyl Ethyl Ketone Peroxide) is a catalyst used in the composites industry for polyester and vinyl ester resins and gel coats. It reacts with resin to turn it from a liquid to a solid (cure it). It is used in varying ratios, generally between 1%-3%, depending on the product being used. Polymer Worlds MEK-P is made in the United States and comes with a measuring cup for easy usage. With its superior formula, it is perfect for all your industrial needs. MEK-P should only be used for Polyester based materials only. Mix for 45 to 60 seconds with resins before pouring.Use only if temperature is above 65 degrees for proper curing with resins gelcoats vinyl esters etc. Please use proper eye wear and breathing masks before using. MEK-P is flammable so keep away from any heat source when storing. This product is manufactured by the renowned brand Polymer World and is suitable for use in various industries including business and industrial settings. It comes in 8 ounces. Buy now and experience the best that the industry has to offer.

Review: Great Value - Nice product perfect size for the cost
Review: Good Stuff. - Shipped well and works like mekp should.

## Features

- ✅ Role of Catalyst: In composites, a catalyst is used to initiate and accelerate the curing or hardening of the resin system. MEKP is a free radical initiator that triggers the polymerization reaction in polyester and vinyl ester resins, leading to the formation of a solid and durable composite material.
- ✅ Mixing with Resin: MEKP is typically mixed with the resin system just before application. The ratio of MEKP to resin is carefully controlled to achieve the desired curing characteristics and processing time. The specific ratio and mixing instructions may vary depending on the resin manufacturer's recommendations.
- ✅ Curing Process: Once MEKP is mixed with the resin, a chemical reaction starts that causes the resin to crosslink and solidify. The curing process can be accelerated by applying heat, which helps to speed up the reaction and shorten the overall curing time.
- ✅ Shelf Life: MEKP has a limited shelf life and can degrade over time, affecting its effectiveness as a catalyst. It is important to use fresh MEKP to ensure reliable curing performance.
- ✅ Our Florida Based business has well over 7 years of experience in the boating industry, and we are just getting started. We look forward to working with you on all of your projects going forward. We know that once you experience any Polymer World product, you will be encouraged to try our other offerings through our extensive product line. We offer Polyester Resin, Fiberglass, Ceramic Transom Pour and Gel Coat for all of your project needs. The future will be exciting here at Polymer World. We thank all our customers for choosing our products for their amazing projects!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CV6WY1K7 |
| Best Sellers Rank | #62,612 in Automotive ( See Top 100 in Automotive ) #62 in Automotive Vinyl Care Products |
| Date First Available | February 7, 2024 |
| Item Weight | 8 ounces |
| Manufacturer | Polymer World |
| UPC | 850053089350 |

## Product Details

- **Brand:** Polymer World
- **Item Form:** Bottle
- **Item Volume:** 236 Milliliters
- **Item Weight:** 8 Ounces
- **Molecular weight:** 8.0

## Images

![MEK Peroxide 8oz - 236cc Clear Catalyst-Hardener for Polyester Resins, Gelcoats, Vinyl Esters, Ceramic Transom Pour, Includes 1oz Measuring Cup - Image 1](https://m.media-amazon.com/images/I/61IG1SrI1KL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Value
*by J***Z on December 11, 2024*

Nice product perfect size for the cost

### ⭐⭐⭐⭐⭐ Good Stuff.
*by J***P on April 16, 2025*

Shipped well and works like mekp should.

### ⭐⭐⭐⭐⭐ Works as stated.
*by D***E on September 12, 2024*

It did it's job well when using it to epoxy fiber to roof of a pop up camper.

## Frequently Bought Together

- Polymer World MEK Peroxide 8oz - 236cc Clear Catalyst-Hardener for Polyester Resins, Gelcoats, Vinyl Esters, Ceramic Transom Pour, Includes 1oz Measuring Cup
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- Wax Additive - 4 oz Surfacing Agent for use with Gelcoat and Polyester resins

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-02-22*