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Description for 3M 4921
Translucent, closed-cell elastomeric foam carrier • Thin bond lineChemical Resistance Chemical Resistance: Hydrocarbon solvent Application Type Bond, Hold 1 Part or 2 Part 1 Part Material Form Tape, Elastomeric Foam Substrate Metal, Elastomers, Wood, Foam, Plastics Industry Nameplates, Signs Manufacturer 3M Chemistry Acrylic, Elastomeric Foam Cure Method Pressure Sensitive Color Natural High Temperature Resistance (°C) 66, 93 Density (g/cm³) 0.510 Key Specifications TSCA -
Technical Data for 3M 4921
Overview
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Chemical Resistance
- Chemical Resistance: Relative Solvent Resistance - Hydrocarbon solvent
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Application Type
- Adhesive - Bond, Hold
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1 Part or 2 Part
- 1 Part or 2 Part - 1 Part
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Material Form
- Elastomer - Elastomeric Foam
- Tape
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Industry
- Sign - Signs
- Industrial - Nameplates
- Printing and Graphics - Nameplates
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Chemistry
- Acrylic
- Other - Elastomeric Foam
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Application Method
- Dispenser - Application equipment
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Cure Method
- Pressure Sensitive (min) - Pressure Sensitive
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Color
- Other - Natural
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Key Specifications
- TSCA (Toxic Substances Control Act) - TSCA
Specifications
Cure Specs
Application Temperature (°F) 70 to 100 Bond Strength
Shear Strength (psi) 1000 (gram), 1000 (gram), 500 (gram) Test Method Tensile Strength (psi) 95, 600 Test Method Material Resistance
UV Resistance UV resistance High Temperature Resistance (°C) 66, 93 Conductivity
Dielectric Strength (V/mil) 400 to 500 Thermal Conductivity (W/m°K) 0.11 Hardness
Elongation (%) 800 Flexibility Elastomeric, Firm Other Properties
Density (g/cm³) 0.510 Business Information
Shelf Life Details Store in original cartons at 70°F (21°C) and 50% relative humidity.;If stored under proper conditions, products retain their performance and properties for 24 months from date of manufacture. If the products have been exposed to severe weather conditions, we suggest to precondition the products at the above storage conditions for at least 24 hours before using them. Shelf Life Temperature (°F) 70 Shelf Life Type From date of manufacture Shelf Life (mon) 24 -
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Tensile Strength Test Methods
Tensile Strength | Test Method |
---|---|
95 psi | (“T” Block) 1 in.2 (6.45 cm2) Jaw Speed 2 in/min (50 mm/min) |
600 psi |
Shear Strength Test Methods
Shear Strength | Type | Test Temperature | Test Method |
---|---|---|---|
1000 (gram) | Static shear strength | 22°C | Measured at various temperature & gram loadings. (1/2 sq. in.overlap). Will hold listed weight for 100 hrs. |
1000 (gram) | Static shear strength | 49°C | Measured at various temperature & gram loadings. (1/2 sq. in.overlap). Will hold listed weight for 100 hrs. |
500 (gram) | Static shear strength | 66°C | Measured at various temperature & gram loadings. (1/2 sq. in.overlap). Will hold listed weight for 100 hrs. |