Bostik HM 4183 Long Open Time Copolyester Hot Melt

Bostik HM 4183 Hot Melt Adhesive for Textiles, Window Treatments & General Assembly

Bostik HM 4183 is a copolyester hot melt adhesive designed for long open time and low activation temperature. It bonds well to natural and synthetic fibers, polyester film, and other flexible or porous materials. With excellent resistance to plasticizers, UV light, and moisture, HM 4183 performs reliably in textile laminates, window treatments, and general assembly applications.

HM 4183 Copolyester Hot Melt Glue Benefits

• Low Activation Temperature: Supports energy-efficient bonding with fast setup at reduced heat levels.
• Long Open Time: Provides extended working time for alignment, adjustment, or large-format laminations.
• Plasticizer Resistance: Maintains bond integrity when used with vinyl and other plasticized substrates.
• Moisture and UV Resistance: Withstands environmental exposure for durable, long-lasting performance.
• Versatile Compatibility: Bonds to synthetic and natural fibers, as well as polyester film and porous materials.
• Flexible Application Methods: Suitable for slot die, spray, hot melt roller, and gravure systems.

HM 4183 Specifications

• Model: HM 4183
• Chemistry: Hot Melt Copolyester Adhesive
• Appearance: Off-White Pellets
• Compatible Substrates: Synthetic fibers, natural fibers, polyester film, porous materials
• Common Applications: General assembly, window treatments, textile laminates
• Melt Point (DSC): 228°F (109°C)
• Viscosity: 34,500 cps @ 419°F (215°C)
• Specific Gravity: 1.25
• Application Temperature: 375–425°F (191–218°C)
• Storage and Handling: Store in sealed containers in a cool, dry area to prevent moisture absorption
• Shelf Life: 1 year (in sealed container at 41–95°F / 5–35°C)