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SKU 7100031985
Legacy SKU 62373193358
UPC 00021200491405
Catalog Number 3731
Product Number 3731 Q

3M Hot Melt Adhesive 3731 is a 100% solids, high heat resistant thermoplastic adhesive that liquefies to bonds to a variety of substrates, including polyethylene, polypropylene and other plastics.

  • Solvent-free, 100% solids adhesive
  • Bonds well to polyolefin based plastics
  • High-temperature resistance to 265ºF/129ºC
  • Fast-setting for quick, effective results
  • Provides good peel strength, creating tough and resilient bonds
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On it's way to you March 14  

Qty

Minimum Order 22 US pounds
Order Increment 22 US pounds
  Multiple Application Use
  High Performance Adhesive
  Global Shipping
  Industry Low Price
Product Dimensions
Imperial Metric
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Shipping Dimensions
Weight 23.1794 lb
Length 11.88976 in
Width 7.99213 in
Height 14.88189 in
Color Tan

PRODUCT FAQ

  1. What surfaces can 3M™ Hot Melt Adhesive 3731 effectively bond?

    This hot melt adhesive can effectively bond wood, corrugated cardboard, plastics, fabrics and foam.

  2. How strong is the hold of 3M™ Hot Melt Adhesive 3731?

    Our hot melt adhesive provides a strong bond and has high heat resistance with excellent holding power for materials such as wood, paper, fabric and plastic.

  3. Can I use my own glue gun to apply this adhesive?

    Yes, you can use any standard temperature-controlled glue gun for application of our tan-colored chips.

For industrial/occupational use only. Not for consumer sale or use.
3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use.  Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice.  Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage.  For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.
Bonds Well to Polyolefin Based Plastics

3M™ Hot Melt Adhesive 3731 is engineered to provide excellent results with high heat resistance up to 265ºF/129ºC without lifting or deformation. This hot melt adhesive is ideal for bonding polyolefin based plastics, including polyethylene and polypropylene. It bonds well to a variety of substrates and is fast setting, with an open bead time of 30 seconds, making it perfect for applications requiring quick bond times. The adhesive is designed to provide good peel strength, creating a resilient bond that is long-lasting, offering confidence and peace of mind for a wide range of applications. It is recommended for use with the 3M™ Hot Melt Applicator EC or 3M™ Hot Melt Applicator TC.

Recommended Applications
  • Ideal for bonding polyolefin based plastics
  • For applications requiring quick bond times
Understanding Hot Melt Adhesives

Hot melt adhesives are applied with 3M Adhesive Applicators and extrude as liquefied thermoplastic to fill gaps and wet entire bonding surfaces before setting. They often exceed 100 psi shear strength for quick, convenient strength. Hot melt adhesives are used for bonding a wide variety of materials ranging from wood to corrugated cardboard, heat-sensitive foam, plastics, and metals. Unlike mechanical fasteners or sealing tapes, hot melt adhesives are virtually invisible between mating surfaces. These 100% solids thermoplastic resins are available in a variety of strengths, temperatures, and pen time/bonding ranges to meet your specific application demands.

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