--- product_id: 27750452 title: "Scotch-Weld Epoxy Adhesive DP420, Black, Two-Part Epoxy Structural Adhesive, High Impact, Fatigue Resistant, Maintains Bond Strength, 200 mL (6.76 fl oz) Duo-Pak" brand: "3m" price: "19.90 DT" currency: TND in_stock: false reviews_count: 8 url: https://www.desertcart.tn/products/27750452-scotch-weld-epoxy-adhesive-dp420-black-two-part-epoxy-structural store_origin: TN region: Tunisia --- # 20 min open working time for repositioning High shear strength for durable bonds Withstands paint bake up to 400°F Scotch-Weld Epoxy Adhesive DP420, Black, Two-Part Epoxy Structural Adhesive, High Impact, Fatigue Resistant, Maintains Bond Strength, 200 mL (6.76 fl oz) Duo-Pak **Brand:** 3m **Price:** 19.90 DT **Availability:** ❌ Out of Stock ## Summary > 🔧 Elevate your industrial bonding game — strength that sticks and lasts! ## Quick Answers - **What is this?** Scotch-Weld Epoxy Adhesive DP420, Black, Two-Part Epoxy Structural Adhesive, High Impact, Fatigue Resistant, Maintains Bond Strength, 200 mL (6.76 fl oz) Duo-Pak by 3m - **How much does it cost?** 19.90 DT with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/27750452-scotch-weld-epoxy-adhesive-dp420-black-two-part-epoxy-structural) ## Best For - 3m enthusiasts ## Why This Product - Trusted 3m brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Extended Work Window:** 20 minutes to adjust and reposition for flawless assembly - • **Precision Application:** Duo-Pak system with 3M Applicators ensures accurate mixing & dispensing - • **Unrivaled Bond Strength:** Replaces mechanical fasteners with high-impact, fatigue-resistant epoxy - • **Industrial-Grade Heat Resistance:** Maintains bond integrity through paint bake cycles up to 400°F - • **Versatile Substrate Compatibility:** Bonds metals, ceramics, wood, glass, composites & plastics seamlessly ## Overview 3M Scotch-Weld Epoxy Adhesive DP420 is a professional-grade, two-part structural epoxy designed for high-impact, fatigue-resistant bonding across diverse materials including metals, ceramics, and composites. Featuring a 20-minute open time for repositioning and full cure in 24 hours, it withstands harsh industrial conditions including paint bake at 400°F. Available in Duo-Pak for precise application, it’s trusted in metalworking, transportation, and sporting goods industries to replace mechanical fasteners with durable, long-lasting bonds. ## Description 3M Scotch-Weld Epoxy Adhesive 420 is a strong, two-part epoxy structural adhesive that provides high impact and fatigue resistance to meet challenging bonding operations and can replace mechanical fasteners, screws, rivets, and spot welds in many applications. It works well on a variety of substrates, such as metals, ceramics, wood, glass, various composites, and many types of plastics while withstanding paint bake tasks in temperatures up to 400 °F (204 °C) for 60 minutes. The product is a versatile solution for joining, gluing, potting, panel, and structural bonding in a variety of industries, including sporting goods, metalworking, general industrial, and transportation industries. 3M Scotch-Weld Epoxy Adhesive 420 allows up to 20 minutes to reposition the project and is fully cured in 24 hours (at 73 °F/23 °C). It meets the standard for UL 94 HB and is available in both bulk or a Duo-Pak (DP); when using this adhesive in Duo-Pak form, rely on 3M Applicators for convenient and accurate metering, mixing, and dispensing. Try the new 3M Scotch-Weld Digital Dispensing Assistant and experience shorter machine setup time with a free new automation tool for time-pressure systems. ## Features - BONDS A VARIETY OF SUBSTRATES: For metals, ceramics, wood, glass, many composites and plastics - MULTIPLE APPLICATIONS: Can be used in joining, gluing, potting, panel and structural bonding in sporting goods, metalworking, general industrial, and transportation industries - LONG-LASTING BONDS: Has high shear strength to promote durability - FOR TOUGH APPLICATIONS: Offers high impact and fatigue resistance - OPPORTUNITY TO ADJUST AND REPOSITION: Allows up to 20 minutes of open working time - FULL CURE STRENGTH: Reaches a full cure in 24 hours at a temperature of 73 °F (23 °C) - CERTIFICATIONS: Is UL 94 HB Certified - PRODUCT OPTIONS: Available in bulk form or a Duo-Pak (DP) and black or off-white - DIGITAL DISPENSING ASSISTANT: Help reduce setup time using a free automation tool for time-pressure automated systems - For industrial/occupational use only. Not for consumer sale or use ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0188T8Q4G | | Best Sellers Rank | #9,330 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #80 in Tile Epoxy Adhesives | | Brand | 3M | | Brand Name | 3M | | Color | Black | | Compatible Material | Glass | | Container Type | Can | | Customer Reviews | 4.6 out of 5 stars 238 Reviews | | Full Cure Time | 24 Hours | | Global Trade Identification Number | 00021200415302, 00068060756640 | | Included Components | Epoxy Adhesive | | Item Form | Liquid | | Item Package Quantity | 1 | | Manufacturer | 3M | | Material | Epoxy Resin | | Material Type | Epoxy Resin | | Model | DP420 | | Number of Pieces | 1 | | Other Special Features of the Product | High Impact and Fatigue Resistant | | Part Number | 021200415302 | | Special Feature | High Impact and Fatigue Resistant | | Specific Uses For Product | General Industrial, Metalworking, Transportation, Woodworking, Repair, Flooring, Masonry, Countertop, Furniture Specific Uses For Product General Industrial, Metalworking, Transportation, Woodworking, Repair, Flooring, Masonry, Countertop, Furniture See more | | UPC | 021200415302 | | Unit Count | 6.76 Fluid Ounces | | Viscosity Level | Medium to High | | Volume | 200 Milliliters | | Water Resistance Level | Water Resistant | ## Product Details - **Brand:** 3M - **Item Form:** Liquid - **Material:** Epoxy Resin - **Special Feature:** High Impact and Fatigue Resistant ## Images ![Scotch-Weld Epoxy Adhesive DP420, Black, Two-Part Epoxy Structural Adhesive, High Impact, Fatigue Resistant, Maintains Bond Strength, 200 mL (6.76 fl oz) Duo-Pak - Image 1](https://m.media-amazon.com/images/I/71DncvXuvDL.jpg) ![Scotch-Weld Epoxy Adhesive DP420, Black, Two-Part Epoxy Structural Adhesive, High Impact, Fatigue Resistant, Maintains Bond Strength, 200 mL (6.76 fl oz) Duo-Pak - Image 2](https://m.media-amazon.com/images/I/61lLMUUwRnL.jpg) ![Scotch-Weld Epoxy Adhesive DP420, Black, Two-Part Epoxy Structural Adhesive, High Impact, Fatigue Resistant, Maintains Bond Strength, 200 mL (6.76 fl oz) Duo-Pak - Image 3](https://m.media-amazon.com/images/I/61xBWlE8otL.jpg) ![Scotch-Weld Epoxy Adhesive DP420, Black, Two-Part Epoxy Structural Adhesive, High Impact, Fatigue Resistant, Maintains Bond Strength, 200 mL (6.76 fl oz) Duo-Pak - Image 4](https://m.media-amazon.com/images/I/61jOs4sOLLL.jpg) ![Scotch-Weld Epoxy Adhesive DP420, Black, Two-Part Epoxy Structural Adhesive, High Impact, Fatigue Resistant, Maintains Bond Strength, 200 mL (6.76 fl oz) Duo-Pak - Image 5](https://m.media-amazon.com/images/I/71lZZstcl2L.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Does it come with mixing nozzle?** A: No. Mine did not **Q: does it hold up to gasoline** A: unsure, haven't tested against gasoline. **Q: Can this be sanded after curning?** A: Yep **Q: will this product bond plastic to cement ? I will be using it on the roof of the house to hols down solar panels joints. Thank you** A: The only time i used this product was to glue conduit and coupling together (metal to metal) for a government secure data conduit. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by T***. on April 1, 2026* ### ⭐⭐⭐⭐⭐ Review *by T***S on November 4, 2025* ### ⭐⭐⭐⭐⭐ Review *by A***R on October 21, 2023* ## Frequently Bought Together - 3M Scotch-Weld Epoxy Adhesive DP420, Black, Two-Part Epoxy Structural Adhesive, High Impact, Fatigue Resistant, Maintains Bond Strength, 200 mL (6.76 fl oz) Duo-Pak - 3M 8193 Mixing Nozzle, Cascade Mix/Meter Nozzle, Manual/Pneumatic Applicator Use, 1 Pack, 6/Bag - 3M Manual Cartridge Applicator, 08571, Accurately Dispense Materials, Steady Application, 200 ml --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/27750452-scotch-weld-epoxy-adhesive-dp420-black-two-part-epoxy-structural](https://www.desertcart.tn/products/27750452-scotch-weld-epoxy-adhesive-dp420-black-two-part-epoxy-structural) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-05-06*