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Description for 3M Scotch Polyethylene Coated Cloth Tape 390
A durable backing with a rubber adhesive used for applications requiring high strength and moisture resistance.Application Type Bond, Sealing 1 Part or 2 Part 1-Part Material Form Tape Substrate Steel, Stainless Steel Industry Electrical, Military markets, General purpose, Marine Manufacturer 3M Chemistry Rubber Cure Method Pressure Sensitive Color Silver, Olive green Total Thickness (mm) 0.300 Hand Tearable Hand-tearable Single Sided Single Sided High Temperature Resistance (°C) <93 -
Technical Data for 3M Scotch Polyethylene Coated Cloth Tape 390
Overview
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1 Part or 2 Part
- 1-Part
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Material Form
- Tape
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Substrate
- Steel
- Stainless Steel
- Other - Many surfaces
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Industry
- Marine
- Military - Military markets
- Electronics - Electrical
- Industrial - Industrial masking
- General Purpose
- Construction - Duct sealing, Maintenance Repair applications
- Packaging - Sealing and protecting articles for shipment
- Other - Specialized applications, Most demanding applications, Sealing, Holding, Identification, Protection, Other (MRO) applications, Hanging polyethylene drapes, Light sandblast overspray protection
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Chemistry
- Other - Rubber
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Application Method
- Contact
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Cure Method
- Pressure Sensitive (min) - Pressure Sensitive
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Color
- Gray - Silver
- Green - Olive green
Specifications
Bond Strength
General Bond Strength (psi) High, 73 (oz./in.), Good holding power Test Method Peel Strength (piw) 114 (oz/in) Test Method Tensile Strength (psi) 50 (lbs./in.), 768 (oz/in), High Test Method Tape Properties
Total Thickness (mm) 0.300 Hand Tearable Hand-tearable Single Sided Single Sided Tape Backing Polyethylene coated cloth Material Resistance
High Temperature Resistance (°C) <93 Moisture/Humidity Resistance Moisture resistance Hardness
Elongation (%) 12 Test Method Flexibility Flexibility Business Information
Shelf Life Details Storage Store under normal conditions of 60° to 80°F (16° to 27°C) and 40 to 60% R.H. in the original carton., Store under normal conditions of 70°F (21°C) and 50% R.H. in the original carton.; To obtain best performance, use this product within 24 months from date of manufacture. Shelf Life Temperature (°F) 140 to 176, 70 Shelf Life Type From date of manufacture, From date of manufacture Shelf Life (mon) 12, <24 -
Best Practices for 3M Scotch Polyethylene Coated Cloth Tape 390
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General Bond Strength Test Methods
General Bond Strength | Substrate | Test Method |
---|---|---|
High | ||
73 (oz./in.) | Steel | ASTM D-3330, width |
Good holding power |
Peel Strength Test Methods
Peel Strength | Substrate | Test Method |
---|---|---|
114 (oz/in) | Stainless Steel | ASTM D3330 |
Tensile Strength Test Methods
Tensile Strength | Test Method |
---|---|
50 (lbs./in.) | ASTM D-3574, width |
768 (oz/in) | ASTM D3759 |
High |
Elongation Test Methods
Elongation | Test Method |
---|---|
12 % | ASTM D3759, at Break |

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