3M™ Hot Melt Adhesive 3748

Harmonization Code : 3506.91.90.99 | Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg ; Adhesives based on polymers of headings 3901 to 3913 or on rubber; Other ; Other

3M™ Hot Melt Adhesive 3748Q

Main features

  • High peel
  • High temperature performance
  • Formulated for bonding low surface energy plastics and coatings

Product Description

3M™ Hot Melt Adhesive 3748 is a high-performance thermoplastic adhesive engineered for demanding applications that require exceptional strength, durability, and resistance to elevated temperatures. Designed to perform in challenging environments, this adhesive offers reliable high-temperature performance along with excellent thermal shock resistance, helping maintain bond integrity even under fluctuating conditions.

Formulated specifically for bonding low surface energy plastics and coatings, 3M™ Hot Melt Adhesive 3748 provides strong adhesion to difficult-to-bond materials such as polyolefins, while also effectively bonding them to dissimilar substrates. Its high peel strength ensures long-term durability, making it a dependable solution for applications where sustained bond performance is critical.

The adhesive’s non-corrosive properties help preserve the quality and strength of bonded materials over time, making it suitable for use in various industrial and manufacturing environments. With its combination of toughness, flexibility, and thermal stability, this hot melt adhesive supports consistent, high-quality bonding results across a wide range of applications.

Product Key Features

  • High-temperature performance for demanding applications
  • Excellent thermal shock resistance for durability under changing conditions
  • Formulated for bonding low surface energy plastics and coatings
  • Effective bonding to dissimilar materials for versatile use
  • High peel strength for long-term bond durability
  • Non-corrosive formulation helps maintain substrate integrity over time
  • Ideal for industrial and manufacturing bonding applications requiring strength and reliability
Product Family

3M-3748

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
Color
The color
Tan
Density (g)
0.93 g/cm3
Thermal Properties
Flash Point
The flashpoint of a solvent is the lowest possible temperature at which it can vaporize to form an ignitable vapor. Flashpoint is often confused with “autoignition temperature”, which is the temperature at which a solvent ignites without an ignition source.
280 °C
Physical Properties
Viscosity
Viscosity is a measurement of a fluid’s resistance to flow. Viscosity is commonly measured in centiPoise (cP). One cP is defined as the viscosity of water and all other viscosities are derived from this base. MPa is another common unit with a 1:1 conversion to cP. A product like honey would have a much higher viscosity -around 10,000 cPs- compared to water. As a result, honey would flow much slower out of a tipped glass than water would. The viscosity of a material can be decreased with an increase in temperature in order to better suit an application
5,000 mPa.s

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