Polyurethane 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 the structural polyurethane adhesive ideal for applications that require efficient heat dissipation. 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 high temperature thermally conductive adhesives deliver high performance and reliability.
Wholesale structural polyurethane adhesive or OEM
| 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.
Metal Substrates: In the manufacturing process of automotive batteries, our structural polyurethane adhesives perform well on metal substrates such as aluminum, stainless steel and galvanized steel, providing excellent bond strength and durability.
Plastic Substrates: Polyurethane structural adhesives can form strong bonds on plastic substrates such as ABS, polycarbonate (PC) and polypropylene (PP) while maintaining good flexibility.
Composite Substrates: Polyurethane thermally conductive adhesives provide high-strength and durable bonds on composite materials such as carbon fiber reinforced plastic (CFRP) and glass fiber reinforced plastic (GFRP).
Ceramic and Glass Substrates: In high-performance battery applications, high temperature thermally conductive adhesives can provide reliable bonding on ceramic and glass substrates to ensure the stability and safety of internal battery components.
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 structural polyurethane adhesive, that is, thermally conductive adhesive is the main part of the functional role of the realization of thermal management, taking into account the structural bonding requirements.
High temperature thermally conductive adhesive plays a key role in the heating element of the battery of the car. It can effectively conduct away the heat generated by the heating element of the battery, thereby preventing the battery from overheating and improving the safety and service life of the battery. Thermally conductive adhesive or thermal conductive glue usually has excellent thermal conductivity and high temperature resistance, and can maintain stable physical and chemical properties in high temperature environments. In addition, high temperature thermally conductive adhesive also has good bonding properties, and can firmly adhere to the battery heating element and the radiator to ensure efficient heat transfer.
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