Tech-Bond SI Black is a low viscosity (0 – 5 cP), Surface Insensitive (SI) Structural Cyanoacrylate (CA), an industrial grade super glue, formulated formulated for wicking and hairline crack repair. With a low viscosity, this Surface Insensitive Structural Cyanoacrylate (SCA) bonds quickly and reliably. Known as a cyanoacrylate, a CA or super glue, SI Green outperforms consumer glues when paired with Tech-Bond’s Poly Prep and Accelerator. It creates flexible, high-strength molecular bonds on polymers, rubber, metal, and more.
For more information on our viscosity options, click the link below.
https://techbondglobal.com/viscosity-options-si-blue-si-green-si-black/
Additionally, SI Green easily wicks into tight-fitting parts and small gaps. Its low viscosity allows the product to flow rapidly into seams and porous surfaces. As a result, technicians choose SI Green for detailed assemblies, fine repairs, and jobs that demand speed and control.
Unlike standard glues, SI Green bonds difficult surfaces that traditional adhesives can’t handle. It grips polymers like polyethylene (PE), polypropylene (PP), and many rubbers. When combined with Tech-Bond’s Poly Prep and catalyst, the Activator/Accelerator, SI Green forms a permanent molecular bond, not just a surface-level connection.
Furthermore, Tech-Bond’s Accelerator speeds up curing. By applying the Accelerator, technicians can bond parts instantly and significantly shorten assembly time. This rapid cure not only saves time but also increases efficiency in both shop and field settings.
Importantly, SI Green builds flexibility into every bond. It resists cracking and holds up under stress. Therefore, SI Green is ideal for bonding rubber, silicone, thermoplastics, and other flexible materials.
Ultimately, SI Green provides unmatched speed, strength, and reliability. Whether bonding metals, plastics, composites, or elastomers, technicians can trust SI Green to deliver consistent, high-performance results every time.
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