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SKU 7100020337
Legacy SKU 62373193309
UPC 00021200491399
Catalog Number 3731 PG
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 26  

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 14.88189 in
Width 11.88976 in
Height 7.99213 in
Color Tan

PRODUCT FAQ

  1. What type of surfaces can be bonded with 3M™ Hot Melt Adhesive 3731 PG?

    3M™ Hot Melt Adhesive 3731 PG is designed to bond well to most plastics, foam, fabric, and wood.

  2. How fast does the adhesive set after application?

    This hot melt adhesive sets quickly in about one minute or less depending on the materials being bonded and the environmental conditions.

  3. Is this product safe for food contact applications?

    No, this specific adhesive is not recommended for use in direct or indirect food contact applications due to its chemical composition. However, we do offer other adhesives that are suitable for food packaging such as our Scotch-Weld™ Low Odor Acrylic Adhesives.

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, and bonds well to a variety of substrates. It 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 and offers confidence and peace of mind for a wide range of applications. For best results, 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, applied with 3M Adhesive Applicators, extrude as liquefied thermoplastic to fill gaps and wet entire bonding surfaces before setting. As a result, 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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