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Polyurethane Thermal-conductive Structural Adhesives are a groundbreaking solution in the realm of bonding materials. These adhesives are not only known for their superior bonding strength but also their exceptional thermal conductivity. This unique feature makes them ideal for applications that require efficient heat dissipation, such as in the electronics and automotive industries. The polyurethane composition ensures durability and resistance to environmental stress, providing a reliable and long-lasting bond. Whether you're dealing with heat-sensitive components or demanding industrial applications, these adhesives deliver high performance and reliability.
| Product model | Flexibond 8243 | Flexibond 8248 | Flexibond 8245 | Flexibond 8249 |
| Mixing ratio /volume | 1:1 | 1:1 | ||
| Density after mixing /g/cm³ | 1.75 | 1.75 | ||
| Tensile strength/MPa | ≥8 | ≥10 | ||
| Elongation /% | ≥20% | ≥20% | ||
| Shear strength /MPa | ≥8 | ≥7 | ||
| Flame retardant | V0 | V0 | V0 | V0 |
| Thermal conductivity factor/W/m·K | ≥1.2 | ≥1.2 | ||
| Pot life /min(23℃) | 30-50 | 40-60 | ||
| Characteristics | Excellent aluminum-plastic film bonding performance | High thermal conductivity, excellent flame retardancy |
Due to the introduction of concepts such as cell to pack (CTP) and cell to chassis (CTC), thermal conductive adhesive, which originally has good ductility, can form its unique gap filling performance and automatic glue coating process, has become one of the indispensable components of power battery packs. Thermally conductive two-component polyurethane automotive structural adhesive has a wider range of application advantages. It is suitable for the automatic assembly of power batteries and needs good extrusion. It is particularly important for the polyurethane system to be combined with low-moisture and high-filling thermal conductive materials, including surface treatment and hybrid technology.
Beijing Surterk is dedicated to researching and developing new polyurethane adhesive materials for new energy batteries. We are committed to improving the energy density, safety, cycle life, and lightweight of power batteries. These adhesives are mainly designed based on two major demand points: the first type is structural adhesive, which is mainly for structural bonding, taking into account a certain degree of thermal conductivity; the second type of thermally conductive adhesive, that is, thermal conductive bonding is the main part of the functional role of the realization of thermal management, taking into account the structural bonding requirements.
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