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Bostik® Boscodur® 4L Polyisocyanate Curative

Bostik® Boscodur® 4L Polyisocyanate Curative

Bostik

(Backordered) Normally Available within 3-7 Days.

SKU:BOSC4L-79

Regular price $92.50 USD
Regular price $107.43 USD Sale price $92.50 USD
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Bostik® Boscodur® 4L Polyisocyanate Curative

Bostik® Boscodur® 4L is a polyisocyanate curative designed to enhance the performance of polyurethane and solvent-based adhesive systems. When used as a crosslinking agent, it improves bond strength, heat resistance, and chemical durability in demanding industrial applications.

  • Polyisocyanate curative for crosslinking polyurethane and solvent-based adhesives
  • Improves tensile strength, heat resistance, and chemical durability
  • Enhances long-term adhesion and performance under demanding conditions
  • Ideal for laminating, bonding, and industrial manufacturing processes
  • Designed for controlled mixing ratios to ensure consistent results
  • Compatible with a wide range of Bostik® adhesive technologies

Engineered as a performance-enhancing additive, Bostik® Boscodur® 4L Polyisocyanate Curative reacts with hydroxyl-functional adhesives to create a stronger, more resilient polymer network. This crosslinking action increases resistance to heat, humidity, solvents, and mechanical stress, making it well-suited for high-performance manufacturing environments. Commonly used in laminating, footwear assembly, engineered fabric bonding, and industrial product fabrication, Boscodur® 4L provides reliable and predictable curing characteristics when blended at appropriate ratios. Its low viscosity allows easy integration into adhesive systems, supporting efficient processing and consistent end-use performance.

Technical Specifications

  • Brand: Bostik®
  • Product Line: Boscodur®
  • Chemistry: Polyisocyanate Curative
  • Type: Crosslinking Agent for Adhesive Systems
  • Function: Increases strength, heat resistance, and chemical durability
  • Viscosity: Low-viscosity liquid for easy mixing
  • Applications: Laminating, industrial bonding, polyurethane adhesive systems
  • Packaging: Available in multiple container sizes
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