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Achieve Superior Industrial Bonds
3M Scotch-Weld DP420 Epoxy Adhesive is a high-strength, two-part structural adhesive designed for demanding industrial applications. It provides excellent impact and fatigue resistance, capable of replacing mechanical fasteners like screws and rivets on a variety of substrates including metals, ceramics, wood, glass, composites, and plastics. This adhesive is suitable for paint bake tasks up to 204°C (400°F) for 60 minutes.
This versatile epoxy offers up to 20 minutes of open working time for repositioning projects, achieving full cure strength in 24 hours at 23°C (73°F). Its robust formulation ensures long-lasting bonds with high shear strength, making it ideal for general industrial, transportation, sporting goods, and metalworking industries. The black Duo-Pak form ensures accurate metering and mixing for reliable application.
For repairs in India, this USA-sourced epoxy provides superior durability compared to many local alternatives. All customs duties and GST are included in the price, with delivery via ExpressBox. Ensure proper ventilation and protective gear during application as per the safety data sheet.
Superior Structural Integrity
3M Scotch-Weld DP420 Epoxy Adhesive is engineered for superior structural integrity, offering high impact and fatigue resistance that surpasses many standard adhesives. Its ability to bond a wide range of substrates, from metals to plastics, makes it a reliable choice for critical repairs and manufacturing. The formulation ensures long-lasting bonds with high shear strength, replacing traditional mechanical fasteners and providing a cleaner, more robust finish. This USA-sourced adhesive is imported per order, ensuring you receive a factory-sealed product with all customs and GST included.
Ideal For Industrial & Metalwork
This epoxy is best suited for industrial, metalworking, transportation, and sporting goods applications where high-strength, durable bonds are essential. It is particularly effective for bonding metals and plastics that may be challenging for other adhesives. Those needing a quick-setting, low-viscosity adhesive for non-structural or decorative purposes might find the 20-minute working time too long; consider a faster-curing, lower-viscosity epoxy for such tasks.
Typical situations where 3M Scotch-Weld DP420 Epoxy Adhesive 50ml (1.69 Fl Oz) Duo-Pak | High Strength Metal Bonding helps — illustrative scenarios, not customer reviews.
Repairing a metal bracket on industrial machinery in a high-heat factory environment.
The 3M Scotch-Weld DP420's high temperature resistance (up to 204°C) and strong bond ensure the repair withstands factory conditions, unlike standard epoxies that might fail under heat.
Bonding composite parts for a custom automotive project requiring a durable, impact-resistant joint.
This epoxy's high impact and fatigue resistance provide a reliable, long-lasting bond for composite materials, eliminating the need for mechanical fasteners and ensuring structural integrity.
| Primary Components | Epoxy Resin, Amines, Trioxatridecane-1,13-Diamine, Tris((Dimethylamino)Methyl)Phenol |
| Viscosity | Medium to High |
| Allergens | May contain amines and phenolic compounds; refer to SDS for full details. |
| Free From | No solvents |
| Application Method | Mix Part A and Part B in equal volumes using a 3M Duo-Pak applicator. Apply to clean, dry surfaces. |
| Recommended Use | Structural bonding, joining, gluing, potting, panel bonding in industrial, metalworking, transportation, and sporting goods. |
| Surface Preparation | Clean and degrease surfaces thoroughly for optimal adhesion. |
| Shelf Life | 730 days (unopened) |
| Cost per use | 50 ml tube at ~1 ml/use = ~50 uses: ₹325 per use |
| Shelf life after opening | 12 months (typical for epoxies, check packaging) |
| Reapplication math | N/A (permanent bond) |
| Contraindications | Not for consumer sale or use; requires proper ventilation and PPE. Not suitable for flexible substrates or applications requiring extreme flexibility. |
| Allergens / common irritants | May cause skin irritation or allergic reaction. Contains corrosive and flammable components. |
| Feature | 3M Scotch-Weld DP420 | Others |
|---|---|---|
| Bond Strength | High shear, impact, and fatigue resistance; replaces mechanical fasteners. | Varies by brand; many offer good strength but may lack specialized fatigue resistance. Typical local epoxies range from ₹300-800 for 50ml. |
| Substrate Versatility | Bonds metals, ceramics, wood, glass, composites, and plastics. | Most local epoxies bond metals and plastics well; specialized formulations may be needed for ceramics or glass. |
| Working Time | 20 minutes open time for repositioning. | Working times vary widely, from 5 minutes to over an hour, depending on the specific product and ambient temperature. |
| Temperature Resistance | Withstands 204°C (400°F) for 60 mins. | Many local epoxies offer good heat resistance, typically up to 100-150°C, with specialized high-temp versions available. |
| Cost per use | 50 ml tube at ~1 ml/use = ~50 uses: ₹325 per use | Local 50ml epoxies typically range from ₹300-800, making the cost per use higher than this imported option when considering performance. |
| SKU | skq5626 |
| GTIN | 00068060756534 |
| Brand | 3M |
| Product Name | Scotch-Weld DP420 |
| Color | Black |
| Form | Liquid |
| Container Type | Duo-Pak |
| Volume | 50 ml (1.69 fl oz) |
| Working Time | 20 minutes |
| Full Cure Time | 24 hours at 23°C (73°F) |
| Temperature Resistance | Up to 204°C (400°F) for 60 minutes |
| Shear Strength | High |
| Impact Resistance | High |
| Fatigue Resistance | High |
| Substrates Bonded | Metals, ceramics, wood, glass, composites, plastics |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners |
About 3M
3M is a global leader in adhesives, known for innovative solutions in industrial, safety, and consumer markets, providing reliable bonding for demanding applications.
Compliance & Legal
No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.
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This item:
3M Scotch-Weld DP420 Epoxy Adhesive 50ml (1.69 Fl Oz) Duo-Pak | High Strength Metal Bonding
16,246
This item
3M Scotch-Weld DP420 Epoxy Adhesive 50ml (1.69 Fl Oz) Duo-Pak | High Strength Metal Bonding
16,246
Total price:
32,763
You save 14,127 (30%) Extra3 items selected
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32,763You save 14,127 (30%) Extra
| Attributes | Current |  |  |  |  | ||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 16,246 20,166 | 6,662 8,611 | 9,855 18,113 | 2,628 2,919 | 3,490 5,381 | 1,669 2,670 | 2,260 3,860 |
| Rating | 4.50(255) | 4.60(9,976) | 4.60(9,977) | 4.60(9,977) | 4.50(1,036) | 4.70(294) | 4.70(1,645) |
| Brand Name | 3M | GORILLA | GORILLA | GORILLA | Quartet | uxcell | ALKOO |
| Item Form | Liquid | N/A | N/A | N/A | N/A | N/A | N/A |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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