Product Introduction
3M™ Scotch-Weld™ Epoxy Adhesive 2158 is a multi-purpose, two-part structural adhesive that delivers rigid bonds and high shear strength. This versatile epoxy cures at room temperature and provides a durable, reliable bond on a wide variety of materials, including metals, wood, concrete, and some plastics. With a generous 2-hour work life, it allows ample time for precise adjustments and positioning of parts. Its high-viscosity formula ensures a controlled, accurate application that won’t drip or migrate. 3M™ 2158 reaches handling strength in approximately 10 hours and fully cures in 7 days, making it a dependable choice for demanding applications in general industrial, construction, transportation, and aerospace industries.
3M™ 2158 Features
- High Shear Strength: Formulated to create rigid bonds with excellent dead load holding capabilities.
- Extended Work Life: A 2-hour work life provides sufficient time for adjustment and positioning.
- High Viscosity: Delivers a controlled, non-slumping flow for precise and accurate application.
- Multi-Substrate Adhesion: Bonds effectively to metals, wood, concrete (including damp concrete), and some plastics.
- Room Temperature Cure: Cures chemically at room temperature, reaching full strength in 7 days.
3M™ 2158 Applications
- General industrial bonding, gluing, and joining.
- Attaching components in metalworking and construction.
- Structural bonding in transportation and aerospace.
- Bonding applications requiring high strength and rigidity.
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.
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Typical Properties
| Adhesive Type | Epoxy |
| Application | Bonding |
| Brands | Scotch-Weld™ |
| Container Size (Imperial) | 1 gal |
| Container Size (Metric) | 3.78 L |
| Industries | Military & Government, Specialty Vehicle, Consumer Goods, General Industrial, Transportation, Construction, Electronics |
| Open Time | 2 hours @ 72 F (22 C) |
| Physical Form | Paste |
| Product Form | Kit |
| Set Time | 10 hr |
| Shear Strength | 2000 psi |
| Smallest Saleable Unit | Kit |
| Specific Gravity | 1.55 |
| Specifications Met | UL 94 HB |
| Storage Temperature (Celsius) | 22°C |
| Storage Temperature (Fahrenheit) | 72 Degree Fahrenheit |
| Surface Type | Unpainted |
| Units per Case | 2.0 |
| Volume (Imperial) | 1 gal |
| Volume (Metric) | 3.8 L |
