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Description for 3M 8402
A film tape with a silicone adhesive for composite bonding and splicing of many silicone coated papers and films.Chemical Resistance Chemical resistance Application Type Bond, Masking 1 Part or 2 Part 1-Part Material Form Tape Substrate Metal, Silicone coated papers, Steel Industry Splicing of many silicone coated papers, Splicing of many silicone coated films, Splicing of silicone, Splicing of silicone papers, Splicing of films subject to high temperatures Manufacturer 3M Chemistry Silicone Cure Method Pressure Sensitive Application Temperature (°F) 351 Color Translucent green, Translucent green High Temperature Resistance (°C) Higher heat resistance, 177, Thermal resistant Low Temperature Resistance (°C) -50 -
Technical Data for 3M 8402
Overview
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Chemical Resistance
- Chemical Resistance
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1 Part or 2 Part
- 1-Part
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Material Form
- Tape
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Industry
- Industrial - Paint mask
- Splicing - Splicing of silicone, Splicing of films subject to high temperatures, Splicing of silicone papers, Splicing of many silicone coated papers, Splicing of many silicone coated films
- Other - Composite bonding, Masking edges of overlap seams in metal bonding process where the excess epoxy (“flash”) flows onto the tape. Clean-up is complete when the tape is removed, Protective overall mask on panels subject to mild caustic or acid bath etching and to prevent scratches during handling prior to bonding operations, Holding of parts or vacuum bags during bonding operation, Mask for metal in acid or caustic chemical milling baths
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Chemistry
- Silicone - Silicone
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Cure Method
- Pressure Sensitive (min) - Pressure Sensitive
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Color
- Translucent - Translucent green
- Green - Translucent green
Specifications
Cure Specs
Application Temperature (°F) 351 Bond Strength
General Bond Strength (psi) 24 (oz./in.) Test Method Tensile Strength (psi) 33 (lbs./in.), 25 (lbs./in.) Test Method Material Resistance
Abrasion Resistance Abrasion resistance High Temperature Resistance (°C) Higher heat resistance, 177, Thermal resistant Low Temperature Resistance (°C) -50 Hardness
Elongation (%) 100 Test Method Flexibility Retains flexibility from -60 to 350 (F) Business Information
Shelf Life Details Storage: Store under normal conditions of 70°F (21°C) and 50% R.H. in the original carton., Store under normal conditions of 70°F (21°C) and 50% R.H. in the original carton. Shelf Life Temperature (°F) 70, 70 Shelf Life Type From date of manufacture, From date of manufacture Shelf Life (mon) 12, 24 -
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Best Practices for 3M 8402
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Removal
Easy and clean removability
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Comparable Materials for 3M 8402
Spec Engine® Results
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General Bond Strength Test Methods
General Bond Strength | Substrate | Test Method |
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24 (oz./in.) | Steel | ASTM D-3330, width |
Tensile Strength Test Methods
Tensile Strength | Test Method |
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33 (lbs./in.) | ASTM D-3759, at break, width |
25 (lbs./in.) | ASTM D-3759, at break, width |
Elongation Test Methods
Elongation | Test Method |
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100 % | D-3759 (at Break) |