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Description for 3M 9786
Thin non woven carrier for dimensional stability and improved handlingApplication Type Bond, Gaskets 1 Part or 2 Part 1-Part Material Form Double-Coated Tape Substrate Plastic, Polycarbonate, Steel, Foam, ABS Industry Nameplates, Signs Manufacturer 3M Chemistry Isopropyl alcohol Cure Method Pressure Sensitive Application Temperature (°F) 70 to 100 Color Tan High Temperature Resistance (°C) 149, 93 Key Specifications TSCA -
Technical Data for 3M 9786
Overview
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Application Type
- Gasketing - Gaskets
- Adhesive - Bond
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1 Part or 2 Part
- 1-Part
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Material Form
- Tape - Double-Coated Tape
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Substrate
- Foam
- Steel
- Plastic
- Polycarbonate
- ABS
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Industry
- Sign - Signs
- Printing and Graphics - Nameplates
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Chemistry
- Other - Isopropyl alcohol
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Application Method
- Caulking gun - Caulk gun
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Cure Method
- Pressure Sensitive (min) - Pressure Sensitive
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Color
- Brown - Tan
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Key Specifications
- TSCA (Toxic Substances Control Act) - TSCA
Specifications
Cure Specs
Application Temperature (°F) 70 to 100 Fixture or Handling Strength Time (min) Improved Bond Strength
General Bond Strength (psi) High Peel Strength (piw) 60 (oz/in), 50 (oz/in), 50 (oz/in), 55 (oz/in), 55 (oz/in), 45 (oz/in) Test Method Shear Strength (psi) 1000 (grams) Test Method Material Resistance
High Temperature Resistance (°C) 149, 93 Test Method Conductivity
Dielectric Strength (V/mil) 500 Business Information
Shelf Life Details It is best to use the rolls as soon as possible after receipt. Ideally, rolls should be laminated to the intended substrates as soon after receipt as possible. Store in original cartons at 70°F (21°C) and 50% relative humidity. When storing rolls, lay them flat in a horizontal position with release treated wafers between the rolls.;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 -
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Best Practices for 3M 9786
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Surface Preparation
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.
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Application
Bond strength is dependent upon the amount of adhesive-to-surface contact developed. Firm application pressure and moderate heat, from 100°F (38°C) to 130°F (54°C), will assist the adhesive in developing intimate contact with the bonding surface.
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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Comparable Materials for 3M 9786
Spec Engine® Results
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VHB Tape 5958FR(3M)The modified acrylic adhesive on both sides bonds to a broad range of high, medium and medium/low surface energy substrates including metals, glass and a wide variety of plastics and paints, including many powder coated paints.
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VHB Tape 4955(3M)
• Double sided foam tape • Use in many interior bonding applications • Use in many exterior bonding applications • High shear strength • High tensile strength • Resistance to plasticizer migration • Outstanding durability.
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VHB Tape 5952WF(3M)
The modied acrylic adhesive on both sides bonds to a broad range of high, medium and medium/low surface energy substrates including metals, glass and a wide variety of plastics and paints, including many powder coated paints.
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Peel Strength Test Methods
| Peel Strength | Type | Substrate | Test Time | Test Temperature | Test Method |
|---|---|---|---|---|---|
| 60 (oz/in) | 90° Peel strength | Steel | 4,320 min | 25°C | ASTM D3330- 90 degree, 72 hour RT 2 mil Al foil |
| 50 (oz/in) | 90° Peel strength | Polycarbonate | 4,320 min | 25°C | ASTM D3330- 90 degree, 72 hour RT 2 mil Al foil |
| 50 (oz/in) | 90° Peel strength | ABS | 4,320 min | 25°C | ASTM D3330- 90 degree, 72 hour RT 2 mil Al foil |
| 55 (oz/in) | 180° Peel strength | Steel | 4,320 min | 25°C | ASTM D3330 - 90 degree, 72 hour RT 2 mil Al foil |
| 55 (oz/in) | 180° Peel strength | Polycarbonate | 4,320 min | 25°C | ASTM D3330 - 90 degree, 72 hour RT 2 mil Al foil |
| 45 (oz/in) | 180° Peel strength | ABS | 4,320 min | 25°C | ASTM D3330 - 90 degree, 72 hour RT 2 mil Al foil |
Shear Strength Test Methods
| Shear Strength | Type | Test Time | Test Temperature | Test Method |
|---|---|---|---|---|
| 1000 (grams) | Static shear strength | 21,600 sec | 22°C | ASTM D3654 modified -(.5 inch2 sample size) |
High Temperature Resistance Test Methods
| High Temperature Resistance | Test Method |
|---|---|
| 149°C | Relative High Temperature Operating Ranges: Short Term (minutes, hours) |
| 93°C | Relative High Temperature Operating Ranges: Long Term (days, weeks) |
