Arjay 4501 J-Core Bonding Putty / MEKP Sold Separately
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Arjay 4501 J-Core Bonding Putty / MEKP Sold Separately
Arjay 4501, part of the J-Core® line, is an ultra-lightweight polyester bonding compound designed to make boat building easier without compromising strength. It's ideal for bonding fiberglass hardtops, decks, and sandwich-style composite parts, providing a durable, flexible bond that stands up to the demands of the marine environment. Weighing less than 5 lbs per gallon, Arjay 4501 can help reduce hardtop weight by up to 25% compared to traditional bonding compounds. The result is a lighter boat that can offer improved performance, better fuel efficiency, and easier handling. Whether you're building new vessels or looking for a lightweight bonding solution, Arjay 4501 delivers the dependable performance, weight savings, and lasting durability today's boat manufacturers need.
Key Features
- Ultra-lightweight formula—less than 5 lbs per gallon
- Reduces hardtop weight by up to 25%
- Strong, flexible structural bonding for fiberglass assemblies
- Ideal for hardtops, decks, and sandwich-style composite parts
- Helps improve overall vessel performance and manufacturing efficiency
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