Application Type Bond 1 Part or 2 Part 1 Part Material Form Double-Coated Tape Substrate ABS, Stainless Steel Manufacturer 3M Chemistry Isopropyl alcohol Cure Method Pressure Sensitive Chemical Resistance Exceptional High Temperature Resistance (°C) 149, 93 Key Specifications TSCA
Technical Data for 3M 9490LE
- Adhesive - Bond
1 Part or 2 Part
- 1 Part or 2 Part - 1 Part
- Tape - Double-Coated Tape
- Other - Isopropyl alcohol
- Pressure Sensitive (min) - Pressure Sensitive
- TSCA (Toxic Substances Control Act) - TSCA
Application Temperature (°F) 70 to 100
Peel Strength (piw) 45/62 (Oz./in.), 116/157 (Oz./in.), 116/157 (Oz./in.), 125/60 (Oz./in.), 40/60 (Oz./in.) Test Method Shear Strength (psi) Good, 1000 (grams), 500 (grams) Test Method
Chemical Resistance Exceptional High Temperature Resistance (°C) 149, 93
Shelf Life Details Store in original cartons at 70°F (21°C) and 50% relative humidity. If stored under proper conditions, product retains its performance and properties for two years from date of manufacture. Shelf Life Temperature (°F) 70 Shelf Life Type from date of manufacture Shelf Life (mon) 24
Best Practices for 3M 9490LE
To obtain optimum adhesion, the bonding surfaces must be clean, dry and well unified. Some typical surface cleaning solvents are isopropyl alcohol or heptane.*
*Note: Carefully read and follow the manufacturer’s precautions and directions for use when working with solvents. These cleaning recommendations may not be compliant with the rules of certain Air Quality Management Districts in California
consult applicable rules before use.
Bond strength is dependent upon the amount of adhesive-to-surface contact developed. Firm application pressure helps develop better adhesive contact and improves bond strength.
Ideal tape application temperature range is 70°F to 100°F (21°C to 38°C). Initial tape application to surfaces at temperatures below 50°F (10°C) is not recommended because the adhesive becomes too firm to adhere readily. However, once properly applied, low temperature holding is generally satisfactory.
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Shear Strength Test Methods
|Shear Strength||Test Time||Test Temperature||Test Method|
|1000 (grams)||300,000 sec||22°C||ASTM D3654 modified - (.5 inch2 sample size)|
|500 (grams)||180,000 sec||70°C||ASTM D3654 modified - (.5 inch2 sample size)|
Peel Strength Test Methods
|Peel Strength||Type||Substrate||Test Time||Test Temperature||Test Method|
|45/62 (Oz./in.)||90° Peel strength||Stainless steel||15 min||24°C||ASTM D3330 - 90 degree|
|116/157 (Oz./in.)||90° Peel strength||Stainless steel||4,320 min||24°C||ASTM D3330 - 90 degree|
|116/157 (Oz./in.)||90° Peel strength||Stainless steel||4,320 min||70°C||ASTM D3330 - 90 degree|
|125/60 (Oz./in.)||180° Peel strength||4,320 min||24°C||ASTM D3330 - 180 degree, 2 mil Al foil|
|40/60 (Oz./in.)||90° Peel strength||ABS||4,320 min||24°C||ASTM D3330 - 90 degree, 2 mil Al foil, 72 hour RT|