Casttec: The hot melt system for the precast concrete industry

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The casttec system is the cost-effective, non-destructive way to create and customise moulds and forms used in the precast concrete industry.

The adhesives are designed to hold weld plates, foam inserts, wood, plastic, and metal reveals to steel and resin-coated surfaces throughout the concrete forming process. Once the forming process is complete, the adhesives can be easily removed from the finished form and mould.

Instant bonding with easy cleanup

Casttec adhesives bond almost instantly when substrate contact is made, with no need for holding or clamping to the surface. The high-power tec glue guns provide ample molten adhesive to cover large sections and long runs with ease.

All casttec adhesives have a generous open time, so they remain tacky for several minutes until substrate contact is made. This gives the user more time to position the inserts into the formwork without the adhesive setting. They can also be applied at an optimised temperature for more heat-sensitive substrates, such as polystyrene foam.

After 8–24 hours, depending on the grade, the adhesive crystalizes and becomes very brittle. This process means that not only can the insert be easily removed from the mould, but the adhesive residue can be effortlessly scraped from the substrates without causing damage. Other methods of attaching these inserts can damage the formwork or be more time-consuming to remove once the concrete has set.

Environmentally friendly

All the adhesives in the casttec range are solvent-free and non-flammable, making them far safer and kinder to the environment than aerosols and solvent-based adhesives. Available in 43mm slugs and small pillow format for bulk applications, the adhesives are safe to handle, have an unlimited shelf life and don’t have any special storage requirements.

The casttec range of adhesives is designed to work in partnership with the tec range of industrial glue guns to achieve maximum output and efficiency. This includes the tec 3400 as well as the 6000 and 7000 series guns. The applicators melt the adhesive on-demand, enabling continuous use with no downtime. Any unused glue left in the gun can be remelted the next time the gun is switched on.

Get in touch

If you’d like any additional information about the casttec range of adhesives or would like to request a sample, do not hesitate to contact our sales team.

tel: +44 (0)1268 885801

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