Bonding of metal body panels using structural adhesives

 

Used for bonding metal body structures, AB adhesive bonding—unlike traditional welding processes—does not require high-temperature heating and therefore does not cause metal deformation; it also reduces the weight of the welded components, in line with the trend towards automotive lightweighting.

It has high tensile and shear strength, sufficient to withstand the vibrations and torsional stresses encountered during normal vehicle operation.

Excellent environmental resistance: Once cured, the adhesive exhibits good resistance to high and low temperatures, ageing and oil contamination, and can withstand the harsh conditions associated with vehicles being parked outdoors and driven on challenging road surfaces.

Gap-filling capability: In the case of minute gaps or irregular contact surfaces between metal sheets, AB adhesive can fully penetrate and fill these gaps, thereby preventing stress concentration and enhancing the structural integrity.

 

 Features  BE-8068  BE-8066
Appearance Blue [Mixed] Brown [Mixed]
Viscosity [mPa·s] 9,000 15,000
Operating time [min] 5-10 3-5
Shear strength [MPa] 28 32
Tensile strength [MPa] 22 22
Curing methods 1:1 mix 1:1 mix
Hardness [Shore D] 70 71
Volume resistivity [Ω/cm] >1012 >1012
Elongation at break % 10 5

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At present, LCD display technology is undergoing continuous innovation, with end-user products—including automotive displays, industrial control displays, large commercial screens and consumer electronics displays—undergoing comprehensive upgrades towards high definition, narrow bezels, flexibility, high brightness and long service life. Processes such as encapsulation, lamination, sealing and protection of display panels impose stringent requirements on adhesives in terms of light transmittance, resistance to yellowing, sealing performance and lamination precision. The quality of the adhesive materials directly determines the screen’s image quality, service life and the overall quality of the finished product.