Information

West System 417 Microballoon is a lightweight filler specifically designed for use with West System epoxy resins. Composed of tiny, hollow glass spheres, microballoons are an essential additive for creating lightweight, high-strength epoxy formulations suitable for a variety of marine and structural applications. Whether you're fairing a surface, creating a lightweight putty, or sanding a filler to a smooth finish, 417 Microballoon offers versatility and performance to achieve professional results.

Key Features:

• Lightweight Filler: Microballoons are hollow glass spheres that add volume and reduce density without compromising strength, making them ideal for creating lightweight epoxy formulations.
• Easy Sanding: Microballoons create a smooth, easy-to-sand filler that is perfect for fairing, shaping, and finishing surfaces to a high standard.
• Versatile Use: Suitable for a wide range of applications, including fairing, filleting, creating lightweight putties, and blending with other fillers for custom formulations.
• Highly Workable: Microballoons mix easily with West System epoxy resins to create a smooth, workable paste that can be applied by brush, spatula, or trowel.
• Excellent Bonding: Formulated to create strong, durable bonds with a variety of substrates, including wood, fiberglass, metals, and composites.
• Professional Finish: Produces a smooth, non-porous surface that is easy to paint, varnish, or laminate for a professional-grade finish.

Technical Specifications:

• Color: Off-white
• Density: Approximately 0.15 g/cm³
• Particle Size: Average diameter of 20-100 microns
• Mixing Ratio: Add to West System epoxy resin as needed to achieve desired consistency

Application Instructions:

1. Surface Preparation: Ensure all surfaces to be filled are clean, dry, and free of contaminants. Sand smooth surfaces to improve mechanical adhesion.
2. Mixing: Add West System 417 Microballoon to the epoxy resin in small increments, stirring continuously until the desired consistency is achieved. Aim for a creamy, easily spreadable paste.
3. Application: Apply the mixed microballoon filler to the prepared surfaces using a brush, spatula, or trowel. Shape and smooth the filler as needed to achieve the desired contour or finish.
4. Curing: Allow the filled epoxy to cure according to the resin's specifications before sanding, shaping, or finishing as required.

Safety Precautions:

• Always wear protective gloves, eyewear, and clothing when handling epoxy resins and fillers.
• Work in a well-ventilated area to avoid inhaling fumes or dust.
• Avoid contact with skin and eyes. In case of contact, wash thoroughly with soap and water and seek medical attention if necessary.
• Store in a cool, dry place away from direct sunlight and moisture.

Benefits:

• Lightweight and Strong: Creates lightweight, high-strength epoxy formulations suitable for a variety of applications.
• Easy to Work With: Mixes easily with epoxy resin to create a smooth, workable paste that is easy to apply and shape.
• Versatile Use: Suitable for a wide range of marine and structural applications, from fairing to creating lightweight putties.
• Professional Results: Produces smooth, easily sanded surfaces that are perfect for achieving professional-grade finishes.

West System 417 Microballoon is the perfect choice for creating lightweight, high-strength epoxy formulations suitable for a variety of marine and structural applications. Trust in West System's proven performance and quality to achieve exceptional results in your next project.

Cures to a dark red/brown colour
Available in  4L, 12L, 20L