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Epic Resins S7459 – Polyurethane Adhesive – PV module junction box bonding and frame sealing

Item Name: EPIC S7459
Manufacturer: Epic Resins
Technologies: Two-component flexible polyurethane adhesive
Color: Black or White
Cure Type: Fast gel (5–10 minutes, adjustable)
Package Size: 50 ml, 400 ml cartridges; Contact to Techniq VN for details.
Shelf Life: Contact to Techniq VN for details.

1. Product Overview

Epic S7459 is a two-component, flexible polyurethane adhesive with a simple 1:1 by volume mix ratio. It is thixotropic, provides fast gel times under 10 minutes, and offers strong adhesion to various thermoplastic substrates. The adhesive delivers excellent elongation, stress relief under mechanical load, and reliable performance in solar module assembly. Available in bulk packaging as well as 50 ml and 400 ml cartridges, it is suitable for both automated and manual operations.


2. Applications

  • Bonding junction boxes to photovoltaic (PV) modules

  • Frame sealing of PV modules

  • General adhesion to thermoplastics such as PVC, ABS, acrylic, and polycarbonate

  • Bonding to aluminum and other substrates

3. Typical Properties

Property Unit Value
Mix Ratio By volume 1:1
Viscosity Thixotropic
Gel Time min 5–10 (adjustable)
Hardness Shore A 38–42
Elongation % 700–800
Tensile Strength psi 250–300
Lap Shear Adhesion – Polycarbonate psi 24–28
Lap Shear Adhesion – Acrylic psi 45–75
Lap Shear Adhesion – PVC psi 116–156
Lap Shear Adhesion – ABS psi 72–100
Lap Shear Adhesion – Aluminum psi 252–296
Specific Gravity 1.07–1.10

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BERGQUIST microTIM mTIM 1028 is purpose built for riding cage assemblies in servers, switches, and routers, interfacing with electroless nickel plated copper or aluminum heat sinks. It ensures stable operation in high power transceiver modules while also extending applicability to liquid cooling components, heat pipes, and fin based dissipative structures.

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