UM2140 ( 4-HBA ) For Customized Requirements, Please Contact Our Account Manager. UM2140 is a Monofunctional Monomer, its Chemical Name is 4-Hydroxybutyl Acrylate(4-HBA), with Highly Reactive,Low Skin Irritation,Excellent Adhesion and Freely Miscible With Water product features. Suitable for Uv Coatings,Uv Inks and Uv Adhesives. Product Name UM2140 (4-Hydroxybutyl Acrylate) 4-HBA Viscosity(cps@25℃) 3-9 Refractive Index(nD25) 1.425 Surface Tension(dyne/cm) 36.4 Tg(℃) -32 Feature • Highly Reactive • Excellent Adhesion • Low Skin Irritation • Freely Miscible With Water What Can We Do For U ? Why Choose Us As Your Supplier? &…