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Catalyst For Polyester Resins ,Topcoats/Gelcoats

Catalyst For Polyester Resins ,Topcoats/Gelcoats

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The Catalyst for Polyester Resins, Topcoats, and Gelcoats (MEKP) is a high-quality curing agent designed to harden all polyester-based materials, including resins, gelcoats, and topcoats.

This Methyl Ethyl Ketone Peroxide (MEKP) catalyst is supplied in liquid form and ensures consistent curing and excellent surface finish when used correctly.

All catalyst bottles come with a built-in measuring neck for accurate and safe handling. It’s included free with most resin products and available for 3-working-day delivery.

🔬 Features & Benefits:

  1. ✅ Compatible with all polyester resins, gelcoats, and topcoats
  2. ✅ Available in Slow, Standard, and Fast curing options
  3. ✅ Provides optimum curing when mixed at 2% by weight (20ml per kg)
  4. Easy-pour safety neck for precise measuring
  5. Liquid MEKP formulation ensures even distribution and complete hardening
  6. ✅ Included free of charge with most resin kits

⚙️ Usage Instructions:

All polyester resins, topcoats, and gelcoats require a catalyst to begin the curing (hardening) process.

  1. Mix Ratio: Add 1%–2% by weight (2% is optimal — 20ml per kg of resin).
  2. Temperature Guide:
  3. 🌡 Slow Catalyst – for high temperatures
  4. 🌤 Standard Catalyst – for 10°C to 20°C
  5. ❄️ Fast Catalyst – for low temperatures (0°C to 10°C)
  6. Always ensure thorough mixing before application.
  7. Allow adequate ventilation during curing.

Delivery Information:

All catalyst orders are dispatched with a 3-working-day delivery service. .


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Please allow 1 to 3 working days for your order to arrive.

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!

� �

Please allow 1 to 3 working days for your order to arrive.

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!

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.

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