4-HBA (4-Hydroxybutyl Acrylate) Functional Monomer

• Order Code: 4-HBA • Type: Hydroxyl Functional Monomer • Chemical Name: 4-Hydroxybutyl Acrylate (4-HBA) • Brand: Osaka Organic • Primary-hydroxyl acrylate monomer for 2K PU and crosslinkable resins • Controllable crosslink density • Improves water, solvent and weather resistance • Enhances adhesion • Appearance: Colorless transparent liquid • Molecular Weight: 144.2 • Refractive Index (25C): 1.452 • Specific Gravity (25C): 1.008 • Acidity: ≤5.5 mg KOH/g • Inhibitor (MEHQ): approx 2950 ppm • Application: Two-component PU coatings; melamine-formaldehyde clearcoats; electrodeposition coating hydroxyl monomer