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R950 Polyisocyanate Hardener – Outstanding Heat & Yellowing Resistance, 7-Day Hydrolysis Performance

R950 is a polyisocyanate hardener for PU adhesives, offering outstanding heat resistance, excellent yellowing stability, and proven 7-day hydrolysis resistance, ideal for demanding footwear and leather bonding applications.
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  • R950

  • YRBEST

R950 Polyisocyanate Hardener is specially formulated to upgrade the durability and stability of solvent-based polyurethane adhesives. With its outstanding heat resistance, excellent anti-yellowing performance, and reliable 7-day hydrolysis resistance, R950 ensures strong and long-lasting bonds even under harsh conditions.


  • Outstanding Heat Resistance – Maintains tensile strength under high-temperature environments.

  • Excellent Yellowing Resistance – Prevents color change, ensuring a clean and lasting appearance.

  • 7-Day Hydrolysis Resistance – Provides superior protection in humid and water-exposed conditions.

  • High Solid Content (43%) – Delivers strong crosslinking efficiency and enhanced bonding strength.

  • Industrial Applications – Widely used in footwear, leather, bags, and other high-demand adhesive applications.


Packaging: 0.8kg/can, 12 cans/carton
Storage: 5–35℃, 6 months shelf life

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