- Brand: 3M
- Adhesive Type: Acrylic Adhesive
- Contact Us with Questions
3M Scotch-Weld DP820 Acrylic Adhesive Overview
3M DP820 Acrylic Adhesive is a toughened, two-part adhesive featuring a 1:1 mix ratio for convenient application. With excellent shear and peel strength, DP820 is ideal for bonding metals, ceramics, wood, and most plastics. It requires minimal surface preparation and offers a 15 to 20-minute work life for easy adjustments during assembly. Once applied, the adhesive forms durable, high-strength bonds that can replace mechanical fasteners such as rivets and screws. It also performs well in high-humidity environments, maintaining bond integrity under various conditions.
DP820 Features and Benefits
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15 to 20-Minute Work Life: Allows ample time for repositioning and adjustments before curing.
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Excellent Shear and Peel Strength: Delivers durable bonds capable of withstanding demanding conditions.
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Toughened Adhesive: Formulated for increased impact resistance and durability.
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1:1 Mix Ratio: Ensures easy mixing and application for consistent results.
- Minimal Surface Preparation: Bonds effectively to a variety of substrates with little to no prep.
Specifications
- Series: 3M Scotch-Weld DP820
- Type: Acrylic Structural Adhesive
- Application: Bonding
- Substrates: Many Metals, Ceramics, Wood, Most Plastics
- Color: Off-White
- Available Sizes: 50 mL, 200 mL, 400 mL Cartridges
- Mix Ratio by Volume (B:A): 1:1
- Shore D Hardness: 75
- Worklife: 15 to 20 Minutes
- Open Time: 15 Minutes
- Set Time: 30 to 40 Minutes
- Time to Full Cure: 24 to 48 Hours
- Storage Temperature: Cool Dry Area Less Than 80°F (27°C).
- Refrigerated Storage: 40°F to 55°F (4°C to 13°C) Extends Shelf Life
Note: All results are based on testing at 72°F (22°C).
Applications
3M DP820 methacrylate adhesive is ideal for metalworking in industries such as HVAC, appliance manufacturing, and specialty vehicles. It’s also suitable for sign manufacturing, including panel-to-frame bonding and letter attachment. It is frequently used for bonding plastics, composites, and powder coats to metals in applications where a longer open time is necessary.
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