Application Type Bond 1 Part or 2 Part 1 Part Material Form Liquid Substrate Metal, Plastic laminates, Particleboard, Steel, Wood, 1/8" Birch Manufacturer 3M Chemistry Acetone, n-Hexane, Petroleum distillate, Polychloroprene, Toluene Cure Method Solvent Cure Time (min) Fast, 60 Viscosity (cPs) 175 to 350 Color Green, Light Yellow Creep Resistance Excellent Creep High Temperature Resistance (°C) 180, 225 Low Temperature Resistance (°C) -30 Density (g/cm³) 6.4 to 6.8 (weight (lbs/gal)) Key Specifications Mil-Spec (United States Military Standard): MMM-A-121
Technical Data for 3M Scotchcast Resin 5
- Adhesive - Bond
1 Part or 2 Part
- 1 Part or 2 Part - 1 Part
- Other - Acetone, n-Hexane, Petroleum distillate, Polychloroprene, Toluene
- Dispenser - Lamination equipment
- Yellow - Light Yellow
- Mil-Spec (United States Military Standard): MMM-A-121
Application Temperature (°F) 64 Cure Time (min) Fast, 60 Viscosity (cPs) 175 to 350 Test Method Tack Free Time (min) 5.00 to 10
General Bond Strength (psi) Rapid Strength buildup Peel Strength (piw) 10, 12, 14, 18, 18, 19, 17, 7 Test Method Shear Strength (psi) 480 (lbs./in.), 482 (lbs./in.), 1060 (lbs./in.), 65 (lbs./in.), 38 (lbs./in.) Test Method
Creep Resistance Excellent Creep High Temperature Resistance (°C) 180, 225 Low Temperature Resistance (°C) -30
Flash Point (°F) -13.0 % Solids (%) 19, 18 to 21 Test Method Density (g/cm³) 6.4 to 6.8 (weight (lbs/gal))
Shelf Life Details Best storage temperature is 60-80°F (16-27°C). Higher temperatures reduce normal storage life. Lower temperatures cause increased viscosity of a temporary nature. Rotate stock on a “first in, first out” basis. When stored at the recommended temperature in the original, unopened container, this product has a shelf life of 15 months. Shelf Life Temperature (°F) 61 to 81 Shelf Life (mon) 15
Best Practices for 3M Scotchcast Resin 5
For best results all surfaces to be bonded should be dry and free from dirt, dust, oil, loose paint, wax, grease, etc. Oil, grease and other contaminants can be removed by wiping with a solvent such as methyl ethyl ketone. If used for decorative laminate, laminate should have reached moisture equilibrium for the shop conditions.
The temperature of the adhesive and surfaces to be bonded should be at 65°F (18°C) or above. Warm the can of adhesive by placing in a warm room, not in stove, oven or other possible ignition source. If the room must be warmed, turn off the heater before opening container. Leave heater off until all vapors are gone. Stir thoroughly before using. Apply adhesive generously in a uniform film on both surfaces with either a fiber or animal hair brush, or pour and spread with paint roller (solvent resistant texturing type). Porous surfaces may require 2 coats of adhesive. A glossy film when completely dry indicates adequate adhesive. Dull spots after drying indicate not enough adhesive.
These spots must have another coat.
Allow to dry until adhesive is no longer tacky (5-10 minutes). Position surfaces carefully before assembly. No adjustment is possible after contact. Spacers such as dowels or strips of laminate, may be used to prevent premature adhesive/adhesive contact and bonding. Slide out the spacers and apply uniform pressure, working toward the edges. A 3 in. roller used with maximum body pressure should be used to help ensure adequate contact and bonding, especially on the edges. Bonded assemblies can be machined, trimmed or finished immediately after bonding. Drying time depends on temperature, humidity, air movement and porosity of materials bonded.
Excess adhesive may be removed with a solvent such as methyl ethyl ketone.*
*When using solvents, extinguish all ignition sources, including pilot lights, and follow manufacturer’s precautions and directions for use.
Comparable Materials for 3M Scotchcast Resin 5
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Viscosity Test Methods
|175 to 350 cPs||RVF #2 spindle @ 20 rpm @ 80°F 27°C||27°C|
Shear Strength Test Methods
|Shear Strength||Type||Cure Time||Cure Temperature||Substrate||Test Temperature||Test Method|
|480 (lbs./in.)||Overlap shear strength||20,160 min||24°C||1/8" Birch/Birch||24°C||Width|
|482 (lbs./in.)||Overlap shear strength||30,240 min||24°C||1/8" Birch/Birch||24°C||Width|
|1060 (lbs./in.)||Overalp shear strength||30,240 min||24°C||1/8" Birch/Birch||-34°C||Width|
|65 (lbs./in.)||Overlap shear strength||30,240 min||24°C||1/8" Birch/Birch||82°C||Width|
|38 (lbs./in.)||Overlap shear strength||30,240 min||24°C||1/8" Birch/Birch||107°C||Width|
Peel Strength Test Methods
|Peel Strength||Cure Time||Cure Temperature||Substrate||Test Temperature|
|10 piw||1,440 min||24°C||Canvas-Steel||24°C|
|12 piw||4,320 min||24°C||Canvas-Steel||24°C|
|14 piw||7,200 min||24°C||Canvas-Steel||24°C|
|18 piw||10,080 min||24°C||Canvas-Steel||24°C|
|18 piw||20,160 min||24°C||Canvas-Steel||24°C|
|19 piw||30,240 min||24°C||Canvas-Steel||24°C|
|17 piw||30,240 min||24°C||Canvas-Steel||-34°C|
|7 piw||30,240 min||24°C||Canvas-Steel||82°C|
% Solids Test Methods
|% Solids||Test Method|
|19 %||By weight|
|18 to 21 %||By weight|