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3M™ Scotch-Weld™ Epoxy Adhesive DP420NS, Black, 400 mL Duo-Pak, 6/Case

Scotch-Weld™

$157.14 / Each

SKU 7100010680
Legacy SKU 62329935324
UPC 00021200392870
Catalog Number 420NS
Product Number DP420NS

3M Scotch-Weld Epoxy Adhesive DP420NS is a black, toughened, non-sag, two-part epoxy structural adhesive that provides good strength along with high impact and fatigue resistance to meet demanding bonding challenges. 3M Scotch-Weld Epoxy Adhesive DP420NS can replace mechanical fasteners, screws, rivets and spot welds in many applications.

  • High peel and shear strength maintains lasting bond at high and low temperatures
  • Toughened for impact and fatigue resistance
  • 20 minute work life provides time for positioning and adjustment
  • Non-sag formulation ensures adhesive stays where applied
  • Try the new 3M™ Scotch-Weld™ Digital Dispensing Assistant and experience shorter machine setup time with a free new automation tool for time-pressure systems
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On it's way to you January 7   

Qty

Minimum Order 6 Items
Order Increment 6 Items
  Multiple Application Use
  Versatile Across Industries
  Global Shipping
  Fantastic Price
Product Dimensions
 Imperial Metric
Weight 1.336 lbs
Width 3.75197 in
Length 2.18819 in
Height 9 in
Shipping Dimensions
Weight 9.10068 lb
Length 8.07087 in
Width 6.1811 in
Height 9.88189 in

PRODUCT FAQ

  1. What is the recommended usage temperature range for 3M™ Scotch-Weld™ Epoxy Adhesive DP420NS, Black?

    The epoxy adhesive has a recommended usage temperature range of -40°F/-40°C to 250°F/121°C.

  2. Does the black color of this adhesive have any special properties or effects?

    No, the black color of this product does not have any specific functional properties. It simply provides an aesthetic choice for certain applications where an opaque finish is desired.

  3. Can I use this epoxy adhesive for bonding metal surfaces to composite materials or plastics?

    Yes, 3M™ Scotch-Weld™ Epoxy Adhesive DP420NS can bond metals and most plastics/composites with excellent strength and durability.

  4. How long will it take for the adhesive to cure completely once applied?

    Depending on environmental factors such as temperature and humidity levels, curing time may vary. At room temperature (72°F/22°C), handling strength can be achieved in approximately 20-30 minutes, while full cure takes around seven days. However, elevated temperatures can significantly shorten overall curing times.

  5. Is it possible to purchase small sample sizes before making a larger purchase?

    Yes, if you're unsure about committing to this product before testing its effectiveness firsthand , we offer smaller orders available online you could try out first .

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.
3M™ Scotch-Weld™ Epoxy Adhesive DP420NS

When using a Duo-Pak (DP) size adhesive, rely on 3M dispensing equipment for convenient and accurate metering, mixing and dispensing.

High Peel and Shear Strength Maintains Lasting Bond at High and Low Temperatures

3M™ Scotch-Weld™ Epoxy Adhesive DP420NS maintains bond strength at high and low temperatures and can withstand paint bake operations up to 400°F for 60 minutes. It works well on a variety of substrates such as metals, ceramics, wood, glass, many composites and plastics, and is an excellent indoor bonding agent for joining, gluing, potting, panel bonding, and structural bonding. 3M™ Scotch-Weld™ Epoxy Adhesive DP420NS meets the requirements for UL 94 HB.

Recommended Applications

  • Small joint assembly
  • Heavy-duty mounting assembly
  • Metalworking
  • Carbon fiber epoxy bonding

20 Minute Work Life Provides Time for Positioning and Adjustment

3M™ Scotch-Weld™ Epoxy Adhesive DP420NS reaches handling strength in approximately two hours and is fully cured in 24 hours (at 72°F/22°C.) The mix ratio is 2:1 and provides a 20 minute work life, providing time to adjust for desired fit prior to curing. This adhesive is available in a variety of package sizes and can be dispensed in several ways to meet the demands of the user and the job.

Toughened for Impact and Fatigue Resistance

3M™ Scotch-Weld ™ Epoxy Adhesive DP420NS is appropriate for applications that will face tough environmental challenges. Formulated to provide strong adhesion for the long-term, this resilient epoxy is another way 3M has applied our expertise to meet and exceed the demands of even the toughest applications.

What are Epoxy Adhesives?

Epoxy adhesives are part of the class of adhesives called "structural adhesives," which also includes polyurethane, acrylic, cyanoacrylate and others. Epoxies are formulated as liquid reactive polymers that undergo a chemical reaction when mixed and then cure to form a solid plastic material. Once the two parts are mixed in their specified ratio, they begin the curing process and offer a limited work life (open time) where the adhesive can be applied and the two surfaces positioned as needed. This work life lasts anywhere from a few minutes to several hours. These structural adhesives provide high shear and peel strengths, depending on the formula, and better heat and chemical resistance than other common adhesives. In general, epoxy adhesives have the highest overall strength and offer the best performance and most resistance to high temperatures, solvents and outdoor weathering.

Epoxy adhesives are widely used in building and home construction; aircraft and automobile manufacturing; bicycle, boat, golf clubs, ski and snowboard assembly as well as a host of home use and other applications. They are used virtually anywhere high-strength bonds are needed along with resistance to environmental conditions. These adhesives are popular for their ease of use, mechanical strength and chemical resistance. Formulations can be created to make epoxies flexible or rigid, transparent or opaque, quick setting or slow setting. The versatility with which epoxy adhesives can be formulated helps meet almost any requirement for bonding wood, metal, glass, stone and various plastics.

Industrial uses for epoxies range widely and, in addition to adhesives, include coatings and composite materials like carbon fiber and glass-reinforced composites. They are the preferred choice due to their ability to flow and conform to the work area, strong adhesion, chemical and heat resistance and exceptional mechanical and electrical insulating properties.

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