Intertronics Introduces eco-DUOMIX

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Adhesives specialist Intertronics has launched the preeflow eco-DUOMIX, a system that mixes and dispenses two-part materials. The eco-DUOMIX is advantageous in applications where two-part adhesive are required to be dispensed with volumetric accuracy down to 0.008 ml, such as in medical device manufacturing and electronics applications.

The metering, mixing and application of two-part materials is always a tricky business, more so when the required amounts are relatively small, in the sub-millilitre range. If the two parts are of quite different viscosities, or the mix ratio is much greater than 1:1, or there are fillers involved, then it is even more difficult to achieve both homogenous mixes and repeatable volumes. This new technology combines the accuracy of volumetric positive displacement pumps with a novel dynamic mixing module to solve some of these challenges.   

The compact unit includes a motor-driven mixing capsule optimised for no dead space, rather than a static mixing nozzle, allowing dynamic mixing. The capsule has a small volume and is easily replaceable, leading to lower material wastage at the end of each shift, and simple cleaning and maintenance. It is shorter than usual static mixing nozzles, resulting in less material pressure and less overall system height, which helps with precise positioning. A luer lock fitting permits the use of standard dispensing needles. 

The eco-DUOMIX can be used in industries such as electronics and medical device manufacturing to dispense silicones, epoxy resins, polyurethanes, polyester resin or acrylates. The minimum dispensing quantity is 0.008 ml, which is applied using volumetric dispensing with an accuracy of ±1%. It is usable free standing or as part of an automated process. 

“The new system means that difficult to mix, two-part materials, for which static mixing was insufficient, can now be mixed successfully,” explained Peter Swanson, Managing Director at Intertronics. “If mixing is insufficient, it can lead to visible flow marks and inadequate curing of components. The new eco-DUOMIX has advantages for those working in applications where materials have two very different viscosities, or are otherwise difficult to mix. The dynamic mixing process can help to achieve optimal bonding, sealing or coating with two-part materials in demanding projects.”

Intertronics supplies adhesives, coatings, sealants and related equipment to customers in high technology, hight performance assembly applications.  It also supplies the preeflow eco-DUO volumetric metering, mixing and dispensing unit, for customers who are dispensing materials that are less complex to mix.




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