Cromar PRO 25 GRP Catalyst / Hardener (not sold individually only with Cromar Resin/Topcoat )

Cromar PRO 25 GRP Catalyst / Hardener is a high-quality MEKP hardener specially formulated for use with Cromar PRO 25 GRP Resin and Topcoat systems. It ensures consistent and reliable curing at room temperature for unsaturated polyester resins, gelcoats, and topcoats, providing a durable and professional finish every time.

⚠️ Note: This product is not sold individually and is only available when purchased with Cromar Resin or Topcoat.

Key Features

1. 🔹 Designed specifically for Cromar PRO 25 GRP systems
2. 🔹 Ensures consistent curing of polyester resins and topcoats
3. 🔹 All-season formula – suitable for summer and winter use
4. 🔹 Backed by a 25-year product guarantee
5. 🔹 Provides reliable bonding and long-term durability

Usage Recommendations

1. Size Options: 1kg / 5kg
2. Coverage: 1kg per 20kg of Topcoat or Resin (4% ratio)
3. Summer Grade: Use at 2% ratio
4. Winter Grade: Use at 4% ratio

Technical Overview

1. Type: MEKP (Methyl Ethyl Ketone Peroxide) Catalyst
2. Application: Mix with Cromar Resin or Topcoat before use
3. Temperature Range: Suitable for year-round application
4. System Compatibility: Cromar PRO 25 GRP Roofing System

About Cromar PROGRP System

Cromar PROGRP is an advanced Glass Reinforced Polyester (GRP) flat roofing system, designed to deliver exceptional strength, watertight protection, and longevity. The system’s components work together seamlessly for flat roofs, vertical surfaces, and domed areas, ensuring a complete and lasting solution. Apex

Here are 5 more great reasons to buy from us:

Returns are easy, if the items are�unopened and unused�then simply�contact us�for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap!

In the unlikely event that you find your item cheaper at another online store, just let us know and we'll beat the competitor's pricing hands-down.

We insist that you love everything you buy from us. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again.

Ordering from APEX Fibreglass Roofing Supplies is 100% safe and secureso you can rest easy. Your personal details are never shared, sold or rented to anyone either.

Here are 5 more great reasons to buy from us:

Returns are easy, if the items are�unopened and unused�then simply�contact us�for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap!

In the unlikely event that you find your item cheaper at another online store, just let us know and we'll beat the competitor's pricing hands-down.

We insist that you love everything you buy from us. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again.

Ordering from APEX Fibreglass Roofing Supplies is 100% safe and secureso you can rest easy. Your personal details are never shared, sold or rented to anyone either.