DP920 3M, DP920 Datasheet

Scotch-Weld Epoxy Adhesive

DP920

Manufacturer Part Number
DP920
Description
Scotch-Weld Epoxy Adhesive
Manufacturer
3M
Series
Scotch-Weld 920r
Datasheet
1.DP920.pdf (7 pages)

Specifications of DP920

Adhesive Type
Epoxy - 2 Part
Adhesive Applications
Bonding - General Purpose
Color
Off-White
Dispensing Method
Dual Cartridge
Volume
37ml
Scotch-Weld
Epoxy Adhesive
DP920
Product Description
Features
Typical Uncured
Physical Properties
Note: The data in this sheet were generated using the 3M™ EPX™ Applicator System equipped with an EPX static mixer,
Technical Data
according to manufacturer’s directions. Thorough hand-mixing will afford comparable results.
3M™ Scotch-Weld™ Epoxy Adhesive DP920 is a two-part, 2:1 mix ratio, toughened
• Minimal surface preparation
epoxy structural adhesive with a 20 minute work life. It exhibits excellent shear and
peel strengths along with good impact and durability; and bonds well to oily metal
substrates with minimal surface preparation.
• Excellent shear and peel adhesion
• 20-minute work life
1
2
3
Note: The following technical information and data should be considered representative
or typical only and should not be used for specification purposes.
Important Notice: The following data is from tests conducted on samples taken from
limited product runs. 3M will continue to test samples from additional products runs
and will issue a new data page if the tests results change.
Brookfield RVF Viscometer, #7 spindle at 20 rpm.
Approximate time during which material can remain in a mixer nozzle and still be expelled without undue force on the applicator.
Time to achieve approximate 50 psi Overlap Shear Strength (OLS) when cured at (73°F) 23°C.
Color
Net Weight (lbs./gallon)
Viscosity
Base Resin
Mix Ratio (B:A)
Work Life
Time to Handling Strength
TM
1
2
@ 73°F (23°C)
@ 73°F (23°C)
Product
3
Base (B)
Accelerator (A)
Base (B)
Accelerator (A)
Base (B)
Accelerator (A)
By volume
By weight
Nozzle mixed
• Low odor (compared to most acrylic
• Easy mixing
• 2:1 mix ratio
adhesives)
3M™ Scotch-Weld™
December, 2010
Epoxy Adhesive
20 - 30 minutes
110,000 cps
18,000 cps
Off-white
2 : 0.92
4 hours
DP920
Yellow
Epoxy
10.0
2 : 1
9.2

DP920 Summary of contents

Page 1

... Technical Data Product Description 3M™ Scotch-Weld™ Epoxy Adhesive DP920 is a two-part, 2:1 mix ratio, toughened epoxy structural adhesive with a 20 minute work life. It exhibits excellent shear and peel strengths along with good impact and durability; and bonds well to oily metal substrates with minimal surface preparation ...

Page 2

... Draw Lube Copper (MEK/abrade/MEK) Brass (MEK/abrade/MEK) Stainless Steel (MEK/abrade/MEK) Galvanized Aluminum (MEK/abrade/MEK) AF: adhesive failure CF: cohesive failure SF: substrate failure - 2 - 3M™ Scotch-Weld™ Epoxy Adhesive DP920 Pale Yellow 7 days @ 73°F (23°C) 70-75 496 volts/mil 14 8 ohm-cm Scotch-Weld Epoxy Adhesive DP920 4000 CF ...

Page 3

... Adhesive DP920 410 AF 720 AF/SF 540 AF 590 AF 480 AF/SF 3400 AF/CF 1500 SF Scotch-Weld Epoxy Adhesive DP920 4800 CF 4500 CF 3700 CF 3600 CF 3500 CF 4000 CF 3500 CF 4800 CF 4700 CF 4500 CF 4900 CF 4500 CF ...

Page 4

... CF: cohesive failure SF: substrate failure 73°F (23°C) 30 Minutes 1 Hour 2 Hours 6 3 Hours 24 5 Hours 760 6 Hours 950 24 Hours 4600 - 4 - 3M™ Scotch-Weld™ Epoxy Adhesive DP920 Scotch-Weld Epoxy Adhesive DP920 Cure Temperature 120°F (49°C) 140°F (60° 2600 4200 4600 5800 5700 ...

Page 5

... Scotch-Weld Epoxy Adhesive DP920 Substrates and Testing Overlap Shear (ASTM D1002) Overlap Shear (ASTM D-1002, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" pieces of substrates except for Aluminum. Two panels 0 ...

Page 6

... Excess uncured adhesive can be cleaned up with ketone type solvents*. *Note: When using solvents, extinguish all ignition sources, including pilot Surface Preparation 3M™ Scotch-Weld™ Epoxy Adhesive DP920 is designed to be used on oiled metal surfaces. Since each oiled metal surface combination may be unique suggested that the specific oiled metal combination be reviewed prior to use. Please contact 3M™ ...

Page 7

... Storage Store product in cool, dry area where temperature will not exceed 70°F (21°C). Shelf Life 3M™ Scotch-Weld™ Epoxy Adhesive DP920 has a shelf life of 15 months in unopened original containers kept at recommended storage conditions. Technical Information The technical information, recommendations and other statements contained in this document are based upon tests or experience that 3M believes are reliable, but the accuracy or completeness of such information is not guaranteed ...