3M EW-5005 Technical Data Sheet
April 2020
3M™ Scotch-Weld™ Structural Adhesive
Primer EW-5005
Technical Data Sheet
Product Description
3M™ Scotch-Weld™ Structural Adhesive Primer EW-5005 is a water-based, non-chromated, corrosioninhibiting structural adhesive primer.
Benefits
• For use with conventional High Volume Low Pressure (HVLP) spray equipment.
• Excellent corrosion resistance.
• Compatible with 3M™ Surface Pre-treatment AC-130-2 sol-gel surface preparation process for adhesive
bonding.
• Processable with 250 – 350
o
F (121 – 177oC) curable epoxy film and paste adhesives.
• Can be cured from 250 – 350
o
F (121 – 177oC).
• Service temperature from -67 – 350
o
F (55 – 177oC).
Typical Uncured Physical Properties
Note: The following technical information and data should be considered representative or typical only and
should not be used for specification purposes.
Color
Green
Base
Epoxy
Vehicle
Distilled water and organic co-solvents
Solids Content
20 ± 2%
Net Weight
8.7 lbs/gallon (1.04 g/cc)
Storage
35 to 45°F (1 to 7°C) [DO NOT FREEZE]
Technical Data Sheet
3M™ Scotch-Weld™ Structural Adhesive Primer EW-5005
2
Typical Cured Physical Properties
Note: The following technical information and data is based upon limited 3M testing conditions and are considered typical values
and should not be used for specification purposes.
I. Key Specifications
Appearance
Glossy to Semi‐glossy
Air Dry Tack
None
Pencil Hardness
>7H
Min. Thickness to MEK Resistance:
0.10 – 0.14 mil (2.5 – 3.6µ)1
1
Tested according to ASTM D5402.
II. Overlap Shear Per ASTM D1002
Test Temperature
‐67°F (‐55°C)
3M™ Scotch‐Weld™ Structural
Adhesive Film AF 163‐2K .06WT
6400 psi (44 MPa)
75°F (24°C)
6000 psi (41 MPa)
180°F (82°C)
3700 psi (25 MPa)
250°F (121°C)
2000 psi (14 MPa)
300°F (121°C) ‐‐‐‐‐‐‐‐‐‐
350°F (177°C) ‐‐‐‐‐‐‐‐‐‐
AF 163-2K Adhesive Cure: 250°F (121°C) for 60 minutes at 35 ± 5 psi, 4 to 5°F/min rise rate.
Primer Cure: Minimum 30 minutes air dry followed by 60 minutes at 250°F (121°C).
Substrate: 0.063" Bare Aluminum 2024-T3
Surface Treatment: Phosphoric Acid Anodize per ASTM D3933
Crosshead Speed: 0.05"/min
III. Floating Roller Peel per ASTM D3167
Test Temperature
3M™ Scotch‐Weld™ Structural Adhesive Film
AF 163‐2K .06WT
75°F (24°C
75 lbf/in (13.1 N/mm)
180°F (82°C)
70 lbf/in (12.3 N/mm)
AF 163-2K Adhesive Cure: 250°F (121°C) for 60 minutes at 35 ± 5 psi, 4 to 5°F/min rise rate.
Primer Cure: Minimum 30 minutes air dry followed by 60 minutes at 250°F (121°C).
Substrate: Bare Aluminum 2024-T3, 0.025" peel sheet and 0.063” backer sheet.
Surface Treatment: Phosphoric Acid Anodize per ASTM D3933
Test Speed: 6"/min
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