3M™ Scotch-Weld™ Urethane Adhesive DP620NS

3M ID 7000046373UPC 00021200964169
  • Ideal choice for bonding dissimilar substrates
  • Non-sagging after dispensing so adhesive stays where placed
  • Low temperature flexibility and low shrinkage
  • Long open time provides ample opportunity to position and adjust work
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Specifications
Adhesive Type
Urethane
Applications
Impact Resistant, Mounting & Trim Attachment, Panel to Frame/Stiffner to Panel Assembly, Small Joint Assembly, Structural Bonding, Vibration resistant
Brand
Scotch-Weld™
Design Challenges
Impact & Shock Absorption, Noise Vibration & Harshness Control NVH
Full Cure Time
48 Hours @ 72 F (22 C)
Hardness
50 Shore D
Indoor/Outdoor
Both
Industries
Construction, General Industrial, Metalworking, MRO, Signage, Specialty Vehicle, Woodworking
Maximum Operating Temperature (Fahrenheit)
250 °F
Mix Ratio Volume Base:Accelerator
1 : 1
Open Time
20 min
Physical Form
Paste
Position
Better
Product Form
Cartridge
Product Type
Urethane Adhesive
Set Time
10 min - 30 min
Shear Strength
2500 psi
Shelf Life in Months (from date of manufacture)
12
Specific Gravity
1.13
Storage Temperature
60-80 F (16-27 C)
Substrate
Ceramic, Elastomer, EPDM Rubber, Glass, Hardwood, High Surface Energy, (400-1100 Dynes/cm), Metal, Metal (Painted), Plastic (ABS, PVC, Acrylic), Plastic (High Performance Nylon), Plastic: HSE, MSE (ABS, Acrylic, Polycaronate, Nylon), Rough Surface, Rubber (Except EPDM), Stone, Wood
Substrate 2
Ceramic, Elastomer, Glass, High Surface Energy, (400-1100 Dynes/cm), Metal, Metal (Painted), Plastic: HSE, MSE (ABS, Acrylic, Polycaronate, Nylon), Rough Surface, Rubber (EPDM, Santoprene), Stone, Wood
Units per Case
12
Viscosity Range (cps) at Room Temperature
Paste
Details
  • Ideal choice for bonding dissimilar substrates
  • Non-sagging after dispensing so adhesive stays where placed
  • Low temperature flexibility and low shrinkage
  • Long open time provides ample opportunity to position and adjust work

3M™ Scotch-Weld™ Urethane Adhesive DP620NS is a flexible, two-part polyurethane based structural adhesive that performs well in numerous applications where some flexibility is needed. It effectively bonds to many substrates such as composites, metals, wood, and many plastics and rubbers, ceramics, and glass (may require primer for durability).

Compared to one-part sealants, 3M™ Scotch-Weld™ Urethane Adhesive DP620NS is fast-curing, establishes tough bonds and offers low-temperature flexibility. It dispenses as a non-sag paste for accurate and precise handling during application. This adhesive can be used for bonding dissimilar substrates, such as concrete, ceramic, wood, plastic, rubber, and metal. With a 1:1 mix ratio, this urethane adhesive has a 20 minute work life, reaches handing strength in 4 hours and full cure in 48 hours. Two-part urethane adhesives cure chemically, rather than relying on moisture from the air. Because of this, they can cure quickly with no depth of cure issues in contrast to one-part urethane adhesive sealants. Urethane adhesives will bond most common materials such as wood, metals, rubbers, leather, tile and glass, many plastics, concrete, and more. The versatility of urethane adhesives is exhibited in the different formulations that have varying cured properties such as different levels of stiffness or flexibility, open time, and cure speed, and hardness. They can cure to a relatively rigid or highly flexible state to meet a wide range of requirements. In either finished state, urethane adhesives will maintain bond strength integrity through variable environmental factors such as temperature, moisture, and chemical exposure.

Suggested Applications

  • Bonding composite panels to frames for transportation applications
  • Bonding wood, metal, or composite door frames to wood or other surfaces
  • Sealing fabric water hoses
  • Encapsulating for tamper proofing
  • Flexible plastic or composite bonding