Pressure Sensitive Adhesive for Labels, Stickers, and Product Packaging. BioMelt™ SPSA500 is a plant-based pressure sensitive adhesive designed for label and sticker applications across packaging, food, beverage, logistics, and consumer products. From water bottle labels and wine bottles to produce stickers, shipping labels, and product packaging, SPSA500 delivers the dependable tack and bonding performance needed to keep labels in place. Engineered for commercial-scale use, BioMelt™ SPSA500 supports consistent application, strong adhesion, and low odor performance in high-volume production environments. It is a practical adhesive solution for manufacturers looking to improve label performance while incorporating bio-based material content into their packaging systems.