Product Introduction
3M™ Scotch-Weld™ Epoxy Adhesive 1838 is a two-part structural epoxy adhesive formulated to create strong, rigid bonds with high shear strength. This high-viscosity, controlled-flow product allows for easy, precise dispensing, ensuring accurate application on a wide variety of metals, woods, and some plastics. With a 4:5 mix ratio, it is designed to cure at room temperature. The adhesive features a generous 60-minute work-life, providing ample time for positioning and adjustments. It reaches handling strength in approximately 8 hours and achieves a full cure in 7 days, resulting in a durable bond with excellent dead load holding capabilities.
3M™ 1838 Features
- Rigid Bonds: Specifically formulated to create rigid bonds for reliable, long-lasting adhesion.
- High Shear Strength: Offers tough, strong bonds ideal for withstanding significant dead loads.
- Controlled Flow: High viscosity ensures the adhesive stays where applied for accurate, mess-free application.
- Extended Work-Life: A 60-minute work time allows extra time for adjustment and positioning of parts.
- Versatile Application: Suitable for bonding a wide variety of metals, woods, and some plastics.
3M™ 1838 Applications
- General metal-to-metal bonding in industrial applications.
- Structural bonding of metal to wood components.
About Prostech
Prostech Philippines is a one-stop solution provider for specialty materials and equipment across electronics manufacturing, from PCBA to final assembly. Our core material and equipment solutions include:
- PCB Assembly Materials
- Cleaning & Degreaser
- Circuit Board Protection
- Thermal Management Solutions
- EMI Shielding
- General Assembly Adhesives
- Elastomeric Materials
- Process Equipment: Potting & Coating Systems, UV/ Heat Curing, Plasma Treatment, Tape placement automation, and cleaning machines
Technical Added Value to customer
Prostech offers customized material and process equipment solutions with engineering support throughout R&D, production process optimization, and performance validation. Our in-house lab located in Alabang, Muntinlupa is equipped to conduct electronics material testing, application simulation, and adhesive validation, helping customers reduce the need for onsite trials and accelerate implementation.
International Supply Chain Advantage
Regional warehouse hubs across Vietnam, Singapore, Malaysia, and the Philippines ensure cross-border reliable supply. In Philippines PEZA-bonded warehouse located at Lima Industrial Park, Batangas enables Prostech to provide responsive, demand-based delivery and significantly shortens standard lead time for Philippines customers.
Need help selecting the right product or solution?
| Adhesive Type | Epoxy |
| Application | Potting, Encapsulating, Sealing, Bonding |
| Brands | Scotch-Weld™ |
| Container Size (Imperial) | 1 qt |
| Container Size (Metric) | 0.95 L |
| Hardness | 80 - 85 Shore D |
| Industries | Electronics, General Industrial, Military & Government, Construction, Consumer Goods, Specialty Vehicle, Transportation, Metalworking, Signage, Woodworking |
| Open Time | 60 min @ 72 °F (22 °C) |
| Performance Level | Best |
| Physical Form | Paste |
| Product Form | Kit |
| Set Time | 8 hr |
| Shear Strength | 3000 psi |
| Smallest Saleable Unit | Kit |
| Specific Gravity | 1.15 |
| Specifications Met | UL 94 HB |
| Storage Temperature (Celsius) | 22°C |
| Storage Temperature (Fahrenheit) | 72 Degree Fahrenheit |
| Surface Type | Unpainted, Smooth |
| Units per Case | 6.0 |
| Volume (Imperial) | 1 qt |
| Volume (Metric) | 950 mL |
| Work Life | 60 min |



