HB Fuller HL-6278 Long Open Time General Purpose Hot Melt Adhesive

HB Fuller HL-6278 Versatile High Tack Hot Melt Adhesive Overview

HB Fuller HL-6278 is a high-tack, long open time hot melt adhesive formulated to provide extended repositionability and excellent adhesion across a wide range of substrates. It offers slow set speed and stable performance under varied operating conditions, making it suitable for applications that require flexibility in assembly alignment and bonding precision.

Key Advantages of HL-6278 Slow Set Hot Melt

• Extended Open Time: Allows for repositioning and alignment during assembly.
• High Tack: Delivers a strong initial grab on various substrates.
• Excellent Adhesion: Bonds well to paper, board, and coated materials.
• Thermally Stable: Maintains performance during extended heat exposure.
• Clean Machining: Ensures smooth application and reduced downtime.

Specifications

• Model: HL6278
• Type of Adhesive: Hot Melt Adhesive
• Applications: Repositionable bonding, general assembly operations, industrial manufacturing
• Compatible Substrates: Various substrates - Paper and paperboard, coated and uncoated corrugated, and flexible packaging surfaces
• Form: Pillows
• Color: White (Gardner 3)
• Application Temperature: 350°F (177°C)
• Softening Point: 201°F (94°C)
• Viscosity:
• 21,700 cps @ 250°F (121°C)
• 7,450 cps @ 300°F (149°C)
• 2,850 cps @ 350°F (177°C)
• Specific Gravity: 0.98
• Speed of Set: Slow
• Static Adhesion Failure Test:
• Oven Peel: 134°F (57°C)
• Oven Shear: 163°F (73°C)
• Tensile Strength: 485 psi
• Shelf Life: 365 days
• Storage Conditions: Store in clean, dry conditions