100603 Liquid Hardener, 1.5 Oz, Methyl Ethyl Ketone Peroxide Catalyst

The Evercoat 100603 Liquid Hardener is a methyl ethyl ketone peroxide (MEKP) catalyst designed as a hardening agent for polyester resins and gel coats used in automotive body repair, marine projects, and fiberglass work. This essential product accelerates the curing process, allowing resins and gel coats to harden and set properly so you can complete repairs with professional-quality results. Whether you're patching a boat hull, restoring an automotive body panel, or working on other fiberglass composite projects, this liquid hardener ensures reliable performance and durability in your finished work.

The compact 1.5 oz size makes it practical for smaller projects, and the convenient plastic squeeze tube features graduated measurements for precise dosing. The carded packaging keeps the catalyst organized in your workshop or tool collection.

Features and Benefits

• Methyl Ethyl Ketone Peroxide Catalyst: Formulated for use with polyester resins and gel coats to enable proper curing and hardening.
• Plastic Squeeze Tube with Graduated Measure: Provides convenient mixing without requiring additional measuring tools.
• 1.5 Oz Size: Compact format suitable for various repair projects.
• Trusted Brand: Evercoat has provided quality hardening solutions to professionals and DIY enthusiasts since 1953.
• Carded Packaging: Design makes storage and organization convenient in any toolbox or garage.

Specifications

• Brand: Evercoat
• Model: 100603
• Size: 1.5 oz (44 cc)
• Type: Methyl Ethyl Ketone Peroxide Catalyst
• Container: Plastic squeeze tube with graduated measure
• Packaging: Carded
• Use: Hardening agent for polyester resins and gel coats

How to Use

Use this MEKP catalyst according to the resin or gel coat label directions.