Introduced in the 1990s in footwear industry, polyurethane reactive hotmelt adhesive, so called PUR or PURHM, to react with moisture in the air and creates strong crosslinks, which enable them to deliver excellent bonding characteristics and durability. In adhesive technologies, PUR hotmelt is the popular solution for bonding applications relating to packaging and woodworking.
In Henkel, adhesive experts has marked a very smart move in footwear manufacturing industry by an innovative solution named single-side adhesive with PUR, which has been driven by multi factors of sustainability, consumerism, automation or resource scarcity.
Polyurethane reactive hotmelt adhesive (PUR) is:
- Adhesive of 100% solid
- Solid at room temp. and become fluid when heated
- Applied at a molten state by exclusive applicators
- Isocyanate groups cross-link with moisture
- Not becoming fluid when heated again after curing
- Unique solution in footwear manufacturing industry from Henkel
- Productivity
- Cost
- Sustainability
- Less labor
- Less chemical
- Automated application
- Consumption savings
- Less processes
- Less materials
- Zero VOC
- Reduce chemical
- Environmental and health
- Applied without solvents, which not only comply with environment & health protection but also simplify and compact production line with no drying process
- 1-component adhesive, curing with moisture in the air, which helps save energy and improves resistance to heat, oil, solvents, water, etc.
- Good bonding strength with a single-side adhesive application, improving adhesive mileage, reducing labor cost thanks to automation applicator and increasing production efficiency
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