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Description for 3M CA8
Slower setting than CA7 • Excellent adhesion to metals, plastics and rubbers • Meets CID A-A-3097, Type II, Class 2Application Type Bond, Adhesive: Instant Adhesives 1 Part or 2 Part 1-Part Material Form Liquid Substrate Aluminum- Etched, Many metals, Plastics, Many rubbers, Steel Manufacturer 3M Chemistry Cyanoacrylate, Ethyl Cure Method Moisture Cure Temperature (°C) 20 to 25 Room temperature Viscosity (cPs) 70 to 130 Color Clear, Colorless High Temperature Resistance (°C) 82 Low Temperature Resistance (°C) -54 Density (g/cm³) 8.7 (weight (lbs/gal)) Key Specifications CID (United States Government Commercial Item Description): A-A-3097: Type II, Class 2 -
Technical Data for 3M CA8
Overview
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1 Part or 2 Part
- 1-Part
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Material Form
- Liquid
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Chemistry
- Cyanoacrylate (CA) - Cyanoacrylate
- Other - Ethyl
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Cure Method
- Moisture / Condensation Cure - Moisture
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Color
- Clear / Transparent - Clear, Colorless
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Key Specifications
- CID (United States Government Commercial Item Description) : A-A-3097 : Type II, Class 2
Specifications
Cure Specs
Cure Temperature (°C) 20 to 25 Room temperature Cure Time (min) Viscosity (cPs) 70 to 130 Test Method Fixture or Handling Strength Time (min) 0.08 to 0.67 Test Method Set Time (min) Rapid Bond Strength
General Bond Strength (psi) High Shear Strength (psi) 2,000, 2,100, 900, 1,000 Test Method Material Resistance
High Temperature Resistance (°C) 82 Test Method Low Temperature Resistance (°C) -54 Test Method Vibration Resistance/Shock Resistance Shock resistance Other Properties
Specific Gravity 1.050 Test Method Density (g/cm³) 8.7 (weight (lbs/gal)) Test Method Business Information
Shelf Life Details Store in original containers at or below 80°F (27°C).;These products can be expected to have at least nine months shelf life. At lower temperature, the shelf life will be longer. Lower temperatures cause increased viscosity of a temporary nature and also will cause water to condense on the container. Therefore, containers stored at low temperatures should be allowed to return to room temperature before opening so that water does not come in contact with the adhesive and cause adhesive gelation. Shelf Life Temperature (°F) <81 Shelf Life (mon) >9 -
Best Practices for 3M CA8
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Surface Preparation
For optimum strength structural bonds, paint, oxide films, oils, dust, mold release agents and all other surface contaminants must be completely removed. However, the amount of surface preparation depends on the required bond strength and the environmental aging resistance desired by the user.
See Vendor Technical Data sheet for more information
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Comparable Materials for 3M CA8
Spec Engine® Results
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CA7(3M)Very fast setting • Excellent adhesion to metals, plastics, and rubbers
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101(PermaBond)A low viscosity product useful in wicking or penetrating applications or bonding closely fitting parts.
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CA40(3M)
Very fast setting • Excellent adhesion to many substrates including flexible vinyl and EPDM rubber
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Fixture or Handling Strength Time Test Methods
| Fixture or Handling Strength Time | Fixture-Handling Strength Test Method |
|---|---|
| 0.08 to 0.67 min | Cured |
Viscosity Test Methods
| Viscosity | Test Method |
|---|---|
| 70 to 130 cPs | Uncured |
Shear Strength Test Methods
| Shear Strength | Type | Cure Time | Cure Temperature | Cure Humidity | Substrate | Test Temperature | Test Method |
|---|---|---|---|---|---|---|---|
| 2,000 psi | Overlap shear strength | 2,880 min | 20°C | 60 % | Steel | 23°C | Overlap Shear Metal to Metal Bond Strength tested @ 75°F (23°C), Tensile Shear Strength (as defined in ASTM-D-1002) - cured 48 hours at 68°F (20°C) - 60% Relative Humidity - abraded and acetone wiped - test specimen is 1/2 sq. in. bond tested @ .1 in./minute loading rate. |
| 2,100 psi | Overlap shear strength | 2,880 min | 20°C | 60 % | Aluminum-etched | 23°C | Overlap Shear Metal to Metal Bond Strength tested @ 75°F (23°C), Tensile Shear Strength (as defined in ASTM-D-1002) - cured 48 hours at 68°F (20°C) - 60% Relative Humidity - abraded and acetone wiped - test specimen is 1/2 sq. in. bond tested @ .1 in./minute loading rate. |
| 900 psi | Overlap shear strength | 2,880 min | 20°C | 60 % | ABS (Substrate failure) | 23°C | Overlap Shear Metal to Metal Bond Strength tested @ 75°F (23°C), Substrate Failure, Tensile Shear Strength (as defined in ASTM-D-1002) - cured 48 hours at 68°F (20°C) - 60% Relative Humidity - abraded and acetone wiped - test specimen is 1/2 sq. in. bond tested @ .1 in./minute loading rate. |
| 1,000 psi | Overlap shear strength | 2,880 min | 20°C | 60 % | PVC (Substrate failure) | 23°C | Overlap Shear Metal to Metal Bond Strength tested @ 75°F (23°C), Substrate Failure, Tensile Shear Strength (as defined in ASTM-D-1002) - cured 48 hours at 68°F (20°C) - 60% Relative Humidity - abraded and acetone wiped - test specimen is 1/2 sq. in. bond tested @ .1 in./minute loading rate. |
High Temperature Resistance Test Methods
| High Temperature Resistance | Test Method |
|---|---|
| 82°C | Uncured |
Low Temperature Resistance Test Methods
| Low Temperature Resistance | Test Method |
|---|---|
| -54°C | Uncured |
Density Test Methods
| Density | Test Method |
|---|---|
| 8.7 (weight (lbs/gal)) | Uncure |
Specific Gravity Test Methods
| Specific Gravity | Test Method |
|---|---|
| 1.050 | Uncure |
