3M 3747 | Krayden

Main features

Dissimilar-Substrate Hot-Melt Bonding
Rapid Strength Development in Seconds
45-Second Open Time

Product Description

3M™ Hot Melt Adhesive 3747 is a 100% solids, thermoplastic general-purpose adhesive designed for bonding dissimilar substrates. Containing no VOCs, this tan-colored hot melt adhesive applies easily and sets in seconds without the need for clamping. It provides an open time of 45 seconds and is highly effective for a wide variety of assemblies, including joining wood to plastic and fabric to metal.

Key features

Fast setting time: Adhesive sets and obtains high-performance strength in seconds, eliminating the need for clamping.
Versatile bonding: General-purpose formulation easily bonds dissimilar substrates such as wood to plastic and fabric to metal.
Easy to use: 100% solids, VOC-free formula provides a 45-second open time for easy handling on large assemblies and surfaces.

Applications / Suitable for

Woodworking applications
General industrial bonding
Bonding dissimilar substrates like wood to plastic and fabric to metal

TDS, SDS & Technical Documents

Technical Specifications

General Properties

Color

Tan

Density (g)

0.97 g/cm3

Thermal Properties

Flash Point

509 °C

Physical Properties

Open time

<1 (45 seconds) minutes

Viscosity

4,100 mPa.s

Mechanical Properties

Peel Strength

20 piw

Physical Properties

Softening point (Melting point)

104 °C

Additional Information

Technical properties

As-supplied / before-processing properties

Typical properties; these values are not intended for use in preparing specifications.

Property	Value	Unit	Method / condition
Color	Tan	-	Solid
Density	0.97	g/cm³	-
Viscosity	4,100	cP	at 375°F
Flash Point	509	°F	Cleveland Open Cup ASTM D 92-72
Open Time	45	seconds	1/8" bead on non-metallic substrates at 75°F