Core Bonding Putty

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Core Bonding Putty
As low as $25.80
Quick Overview

Core Bond

Core Bond is a high-strength structural adhesive designed for bonding composite core materials in fiberglass and marine construction. It is specially formulated to securely bond materials such as foam, balsa, and honeycomb cores to fiberglass laminates, creating a durable and reliable structural connection.

This easy-to-mix compound provides excellent gap-filling properties and strong adhesion to fiberglass, wood, and composite surfaces. Core Bond is commonly used in boat building, deck and hull repairs, and other composite fabrication projects where a strong, stable bond between core materials and laminates is essential.

Its smooth, workable consistency allows for easy spreading and application, helping ensure full surface contact and reducing voids during installation. Once cured, it forms a tough, durable bond that helps maintain the strength and integrity of the structure.

Common Applications:
• Bonding foam, balsa, and honeycomb core materials
• Marine deck and hull construction
• Fiberglass and composite repairs
• Structural laminating projects

Core Bond is widely used in marine, surfboard, and composite manufacturing where dependable core-to-laminate adhesion is critical.

QUART, GALLON, PAIL

Core Bond is a high-strength polyester bonding compound used to bond core materials like foam and balsa to fiberglass laminates. Its thick, non-sag formula provides strong adhesion and is ideal for marine repairs and composite construction.

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Customer Questions
Which Adtech (now Sika) filler should I use—P-11 (AP112), P-14, P-17, or P-77?
Adtech (Sika) Marine Fillers: How to Choose — P-14, P-11/AP112, P-17, P-77/AP077 Quick pick: For most boat fairing and everyday bonding, choose P-14 Ultra Filler (our top seller). Use P-11/AP112 when...
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