Place of Origin: | China |
Brand Name: | JCC |
Certification: | Oeko-tex Certificate, ISO, ZDHC |
Model Number: | JCC-5110A, JCC-5320 |
Document: | Reactive PUR hot melt adhes...ve.pdf |
Attribute | Value |
---|---|
Material | Reactive PUR |
Type | Hot melt adhesive |
Appearance | Milk white solid |
Viscosity | 7500-9500 mPa.s@120℃ |
Bond Strength | High strength |
Temperature Resistance | High |
Application | Car Seat Assembly |
Shelf Life | 6-12 months |
Operating Temperature | 100-140°C |
Flexibility | High |
PUR hot melt adhesives are transforming automotive interior manufacturing by delivering exceptional durability under extreme temperature fluctuations, humidity, and mechanical stress. As the EV market emphasizes lightweight construction and energy efficiency, PUR hot melts reduce weight without compromising structural integrity or comfort. Their compatibility with recycling and circular economy initiatives makes them a cornerstone technology for sustainable, high-performance automotive interiors.
Component | PUR Function | Technical Benefit |
---|---|---|
Instrument Panels | Skin-to-foam bonding | Prevents delamination during airbag deployment |
Door Panels | Vinyl/leather wrapping | Eliminates wrinkles; withstands 10+ years UV exposure |
Headliners | Fabric-to-substrate lamination | 0.1mm ultra-thin glue lines maintain fabric drape |
Seat Assembly | Foam-to-frame fixation | 50% faster curing vs. urethane foams (increased line speed) |
Acoustic Insulation | Felt/fiber pad mounting | Reduces glue usage 40% vs. spray adhesives |
PUR (Polyurethane Reactive) hot melt adhesive is a reactive curing adhesive. It first bonds like a thermoplastic hot melt when cooled, then chemically reacts with ambient moisture to form a crosslinked polyurethane network.
In car seat assembly, it ensures strong, durable bonds between fabrics, leather, foam, and structural components, even under heavy use and extreme conditions.
Sensitive to moisture during storage (must be sealed tightly); Short open time requires precise process control.