3M™ Scotch-Weld™ Urethane Adhesive DP620NS

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MULTI-PURPOSE: Adheres to a variety of similar and dissimilar substrates, including concrete, ceramic, wood, plastic, rubber, leather, and metal

VERSATILE USE: Made for construction and building, transportation, appliance repair, and a variety of other applications

HIGH-STRENGTH BONDING: Helps protect against environmental factors such as temperature, moisture, and chemical exposure

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Safety Data Sheet (PDF)

Container Size (Imperial)

Container Size (Metric)

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Highlights

MULTI-PURPOSE: Adheres to a variety of similar and dissimilar substrates, including concrete, ceramic, wood, plastic, rubber, leather, and metal
VERSATILE USE: Made for construction and building, transportation, appliance repair, and a variety of other applications
HIGH-STRENGTH BONDING: Helps protect against environmental factors such as temperature, moisture, and chemical exposure
NON-SAGGING FORMULA: Stays in place after dispensing to minimize waste and control placement
OPPORTUNITY TO ADJUST: Allows up to 20 minutes before the product is fixed in place
HANDLING TIME: Offers handling strength in 4 hours
CURING TIME: Fully cured in 48 hours at a temperature of 72 °F (22 °C)
PRODUCT OPTIONS: Available in bulk form or a Duo-Pak (DP)

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).

When using a Duo-Pak (DP) size adhesive, rely on 3M dispensing equipment (PDF, 1.88 Mb) for convenient and accurate metering, mixing and dispensing

Flexible Adhesive Delivers Tough Bonds
As compared to one part sealants, 3M™ Scotch-Weld™ Urethane Adhesive DP620NS (PDF, 509.4 Kb) 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.

Recommended Applications

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

Understanding Urethane Adhesives
Two part urethane adhesives (PDF, 1.36 Mb) 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.

Click here for more information on 3M Structural Adhesives. (PDF, 15.87 Mb)

Typical properties

Details

Adhesive Type	Urethane
Application Temperature From (Celsius)	-55 ℃
Application Temperature To (Celsius)	120 ℃
Brands	Scotch-Weld™
Container Size (Imperial)	1.64 fl oz, 5 gal, 13.52 fl oz
Container Size (Metric)	18.93 mL, 48.5 L, 400 mL
Design Challenges	Impact & Shock Absorption, Noise Vibration & Harshness Control NVH
Full Cure Time	4 hr, 48 hr
Industries	Military, Defense, Transportation, Automotive, Woodworking, Specialty Vehicle, Aerospace, Metalworking, Signage, Electronics, General Industrial, Construction, Appliance, Marine, MRO
Open Time	20 min
Performance Level	Better
Physical Form	Liquid, Paste
Product Form	Cartridge, Each
Set Time	4 hr, 20 min
Shear Strength	2800 psi
Smallest Saleable Unit	Each, Pack
Specific Gravity	1.13
Storage Temperature (Celsius)	16°C - 27°C
Surface Type	Rough
Units per Case	12.0, 24.0
Volume (Imperial)	1.71 fl oz, 13.5 fl oz
Volume (Metric)	48.5 mL, 400 mL
Work Life	20 min

Resources

3M™ Scotch-Weld™ Urethane Adhesive DP620NS Black and Urethane Adhesive 620NS Black, Part A

Safety Data Sheets

Document Number: MSDS_1803642_US_EN

(PDF)

3M™ Scotch-Weld™ Urethane Adhesive DP620NS Black and Urethane Adhesive 620NS Black, Part B

Safety Data Sheets

Document Number: MSDS_1803915_US_EN

(PDF)

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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.