3M DP100 Epoxy Adhesive for Clear Rigid Metal Plastic and Industrial Bonding

Item Specification
Brand 3M
Product Name 3M™ Scotch-Weld™ Epoxy Adhesive DP100 Clear
Common Name 3M DP100 / 3M Scotch-Weld DP100
Product Type Two-Part Rigid Epoxy Adhesive
Color Clear
Mix Ratio 1:1 by volume
Work Life Approx. 5 minutes
Open Time Approx. 5 minutes
Set Time / Handling Strength Approx. 15–20 minutes
Main Features Easy mixing, high flow, fast cure, machinability
UL Reference Meets UL 94 HB
Base Resin Epoxy
Base Viscosity 8,000–15,000 cP
Accelerator Viscosity 9,000–16,000 cP
Shore D Hardness 82
Compression Strength 58 MPa / 8400 psi
Typical Substrates Aluminum, steel, stainless steel, galvanized steel, copper, brass, ABS, PC, PMMA, FRP, PVC
Application System 3M EPX Duo-Pak cartridge and static mixer system
Package Reference 48.5 mL, 200 mL, 400 mL Duo-Pak options depending on region
Storage 16°C–27°C, original unopened packaging, away from direct sunlight
Shelf Life 24 months from manufacture date
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3M DP100 Epoxy Adhesive Overview

3M DP100 Epoxy Adhesive is a professional clear, fast-curing two-part rigid epoxy adhesive designed for metal bonding, plastic bonding, FRP bonding and general industrial assembly. It is part of the 3M Scotch-Weld epoxy adhesive family and is widely used when users need a clear bond line, fast handling strength, high flow and reliable rigid bonding performance. For manufacturers, repair teams and adhesive distributors looking for a fast-setting clear epoxy adhesive, 3M DP100 provides a practical and efficient bonding solution.

This product is also known as 3M Scotch-Weld Epoxy Adhesive DP100 Clear, 3M DP100 clear epoxy adhesive, or 3M DP100 two-part epoxy. It uses a convenient 1:1 mix ratio and can be applied with the 3M EPX Duo-Pak cartridge system for accurate metering, mixing and dispensing. The clear formulation is useful for applications where appearance is important or where a visible bond line should be minimized.

Key Features of 3M DP100 Epoxy Adhesive

Clear Fast-Curing Two-Part Epoxy

One of the main advantages of 3M DP100 Epoxy Adhesive is its fast-curing two-part epoxy formulation. The adhesive offers a short work life and reaches handling strength quickly at room temperature. This makes it suitable for production lines, maintenance work and repair applications where users need to reduce waiting time and improve assembly efficiency.

Rigid Bond for High Static Load Holding

3M DP100 Epoxy Adhesive cures to form a rigid bond, making it suitable for applications that require high static load holding and stable structural support. The cured adhesive provides strong bonding performance on properly prepared surfaces and can be used for bonding metal, plastic, FRP and other industrial substrates. Its rigid cured properties make it different from flexible epoxy adhesives such as DP105 or DP110.

High Flow and Easy Leveling

3M DP100 has a high-flow consistency, which helps the adhesive spread and level easily during application. This is useful for close-fitting joints, thin bond lines, potting, sealing and applications where the adhesive must wet the surface effectively. The low viscosity compared with thicker structural epoxies makes it easier to dispense and apply in controlled amounts.

Easy Mixing with 1:1 Ratio

The 1:1 mix ratio makes 3M DP100 Epoxy Adhesive easy to use with compatible EPX dispensing equipment. The Duo-Pak cartridge system helps meter, mix and dispense the adhesive accurately through a static mixing nozzle. This reduces mixing errors and supports consistent bonding performance in production or repair environments.

Typical Applications of 3M DP100 Epoxy Adhesive

3M DP100 Epoxy Adhesive can be used in many professional bonding applications. Typical uses include metal bonding, plastic bonding, FRP bonding, component attachment, small joint assembly, industrial repair, sealing, potting, encapsulating and general manufacturing. It is suitable for bonding prepared aluminum, steel, stainless steel, galvanized steel, copper, brass, ABS, polycarbonate, acrylic, fiber-reinforced plastic and PVC.

In metalworking and industrial assembly, DP100 can help bond small parts, brackets, panels and components where a clear rigid epoxy is preferred. In plastic and FRP applications, it can support bonding of properly prepared surfaces. In repair and maintenance work, it can be used to attach, seal, reinforce or rebuild small components. For buyers searching for 3M DP100, 3M Scotch-Weld DP100, clear epoxy adhesive, fast cure epoxy adhesive, two-part epoxy adhesive or rigid epoxy adhesive, this product is a strong choice.

How to Use 3M DP100 Epoxy Adhesive

Before applying 3M DP100 Epoxy Adhesive, bonding surfaces should be clean, dry and free from oil, dust, grease, oxide films, mold release agents and other contaminants. Proper surface preparation is important for achieving strong adhesion and long-term durability. For metals, abrasion and solvent cleaning can help improve bond strength. For plastics and rubber, wiping with isopropyl alcohol and light abrasion may be suitable depending on the substrate.

Dispense the adhesive using a compatible 3M EPX applicator and static mixing nozzle, or mix the two components thoroughly according to the correct 1:1 ratio if applying manually. Apply the mixed adhesive to the bonding area, join the parts within the open time and hold or fixture the assembly until handling strength is achieved. Users should evaluate the adhesive with their actual substrates, surface preparation method, bond line thickness and service environment before mass production.

Why Choose 3M DP100 Epoxy Adhesive

3M DP100 Epoxy Adhesive is a reliable choice for users who need a clear, fast-curing, two-part rigid epoxy adhesive with high flow, easy mixing and strong bonding performance. It is suitable for metal, plastic, FRP and general industrial bonding applications. With its 1:1 mix ratio, EPX dispensing compatibility, clear appearance and fast set time, 3M DP100 provides a professional adhesive solution for manufacturing, repair, assembly, sealing and potting applications.

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