High Solid Content Glue Transparent Eco-friendly Label Sticker Glue
Polyvinyl Alcohol (PVA) water-based labeling adhesive is a water-based adhesive primarily made from PVA, modified through chemical reactions (such as acetalization or graft copolymerization) or compounded with other polymer materials.
Q1: What are the advantages of PVA-based labeling adhesive compared to traditional casein or starch adhesives?
A: PVA-based adhesives (especially PVF modified types) offer:
- Higher initial tack, suitable for high-speed lines (>20,000 bottles/hour).
- Tougher adhesive film, less prone to brittleness, stringing, or fallout.
- Excellent cold water resistance, labels stay on in ice buckets.
- Easy removal for recycling; washes off easily in bottle washers.
Q2: Does this adhesive slip on high-speed labelers?
A: No. High-quality PVA-based adhesives are designed with good initial tack and anti-slip properties. PVF types, in particular, perform stably at speeds exceeding 24,000 bottles/hour.
Q3: How water-resistant is this adhesive? Will labels fall off during cold chain transport?
A: Water resistance is excellent. PVF type adhesive has good ice water resistance, keeping labels intact for extended periods. Graft copolymer types modified with acrylic monomers offer even better water resistance.
