K-FLEX® 850S

Product Description

K-FLEX® 850S is a dibenzoate plasticizer optimized for waterborne latex applications, including adhesives and coatings. In VAE and PVAc emulsions, K-FLEX® 850S contributes to wet tack, extended open time, Tg suppression, reduced set time, and strong viscosity response, indicating compatibility and formulation flexibility . It is suitable for use in U.S. food packaging adhesives in accordance with applicable regulations and is not recommended for PVC applications. In coatings, including direct-to-metal and corrosion-resistant systems, it supports hardness development and salt fog resistance . The product is also used in high-speed corrugated packaging adhesives, bookbinding, labeling, wood glues, and related waterborne systems. 

THESE SPECIAL FEATURES MAKE THIS PRODUCT SO SUCCESSFUL 

• Designed for waterborne latex adhesives and coatings  
• Provides wet tack, extended open time, Tg suppression, and reduced set time in VAE and PVAc emulsions  
• Strong viscosity response of base emulsions, indicating compatibility and formulation flexibility  
• Supports salt fog resistance in direct-to-metal coatings  
• Suitable for U.S. food packaging adhesives; not recommended for PVC 

THE MOST COMMON AREAS OF APPLICATION 

• Water-based latex adhesives (PVAc and VAE systems)  
• Direct-to-metal and corrosion-resistant coatings  
• Flexographic inks and waterborne overprint varnishes (OPV)  
• Floor polish, industrial and interior/exterior latex coatings

BUT THAT'S NOT ALL: 

Further information on this product and other LANXESS plasticizers and modifiers can be found on the following overview pages:

➔ Modifiers & Plasticizers – Product Information

➔ Modifiers & Plasticizers – Product Overview