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Description for 3M 821
A lightly tinted pink film tape designed for protecting labels and packaging lists.Application Type Bond 1 Part or 2 Part 1-Part Material Form Tape Substrate Steel Manufacturer 3M Chemistry Acrylic, Synthetic, Acetate Cure Method Pressure Sensitive Color Matte finish, Transparent pink Aging Resistance Long aging Low Temperature Resistance (°C) Stable in cold temperatures -
Technical Data for 3M 821
Overview
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Application Type
- Adhesive - Bond
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1 Part or 2 Part
- 1-Part
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Material Form
- Tape
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Substrate
- Steel
- Other - Write on surface, Low glare surface
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Industry
- Industrial
- Packaging - packaging lists
- Other - protecting labels
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Chemistry
- Acrylic
- Other - Synthetic, Acetate
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Application Method
- Dispenser - Manual dispensers, Cuts easily and easy to dispense
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Cure Method
- Pressure Sensitive (min) - Pressure Sensitive
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Color
- Pink - Transparent pink
- Other - Matte finish
Specifications
Cure Specs
Fixture or Handling Strength Time (min) Easy Bond Strength
General Bond Strength (psi) 25 (oz./in.) Test Method Tensile Strength (psi) 12 (lbs./in.) Test Method Material Resistance
Aging Resistance Long aging Abrasion Resistance Abrasion protection Low Temperature Resistance (°C) Stable in cold temperatures Moisture/Humidity Resistance Moisture protection Hardness
Elongation (%) 15 Test Method Business Information
Shelf Life Details Storage of Scotch® Label Protection Tape 821 is recommended at 70°F (21°C) and 40-50% relative humidity. Shelf Life Temperature (°F) 70 -
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Best Practices for 3M 821
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Comparable Materials for 3M 821
Spec Engine® Results
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General Bond Strength Test Methods
General Bond Strength | Substrate | Test Method |
---|---|---|
25 (oz./in.) | Steel | ASTM D-3330, width (27 N/100 mm width) |
Tensile Strength Test Methods
Tensile Strength | Test Method |
---|---|
12 (lbs./in.) | ASTM D-3759, Longitudinal, width (210 N/100 mm width) |
Elongation Test Methods
Elongation | Test Method |
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15 % | ASTM D-3759 (at Break) |