How COREX tech is improving flavor: A VAPORESSO Scientist Explains

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Beyond nicotine satisfaction and cloud chasing, vaping is very much an exploration of our perception and appreciation of flavors. How we perceive flavor is quite complex. From the perspective of taste, there are 6 flavors that can be categorized: sweet, sour, salty, bitter, pungent, and astringent.Not just linked to our tongue, flavor is also something you can smell. According to the NIH, humans can distinguish more than 1 trillion scents.  It goes without saying then, that in improving refillable vaping devices, we are also pushing the frontier of flavor delivery.

From the invention of the first vaping device until now, flavor has become an essential part of the vaping experience.

In the early age of vaping, the main focus was on creating bigger clouds. There wasn’t much focus on flavor beyond sweetness. Nowadays, vaping is more than just cloud chasing. Vape juice has expanded to a wide array of flavors, ranging from tobaccos, to fruits, candies, desserts, menthol, and everything in between.

However, while the vape juice provides the flavor, the vaping device is the key to unlocking and delivering it in the form of flavorful vapor.

Flavor is the art of temperature

For years, scientists have been exploring how to fully unlock the full potential of vaping flavor.

Dr. Yu Zhou, a scientist from SMOORE Lab, said, “We’ve collected and tested thousands of liquids from the market just to discover how vaping devices can deliver the best flavor. We’ve come to some interesting conclusions from our research, but most importantly, we can say that Flavor is the art of temperature.”

Dr. Zhou has been working for years for SMOORE’s sub-brand, VAPORESSO, to continuously improve temperature control and its products’ flavor delivery. “All vape devices from the beginning of vaping til now share the same basic heating mechanism. This includes some kind of storage for the e-liquid, a heating coil and a wick. When you heat up the coil in a device, the heat will vaporize the e-liquid from the wick, delivering it to the user. Typically the range that users tend to vape at exists anywhere from 100°C – 315°C. But at the lower end of this range the vapor and subsequent flavor is pretty weak, and at the higher end puffs are harsh and the flavor can degrade from the PG breaking down into formaldehyde.”

Dr. Zhou continued. “There exists a smaller temperature range in between these extremes- the ‘sweet spot’ if you may- in which users will experience ideal flavor delivery that is strong, and gives an accurate representation of the e-liquid’s flavor profile while remaining smooth. After thousands of tests with thousands of flavors from different manufacturers, we found that the zone of best flavor expression exists between 200°-260° C, depending on the juice.”

Flavor delivery

“With the recently developed COREX technology, we hope to solve the problem of inconsistent heating and flavor delivery. Using a new MORPH-Mesh coil design with a greater surface area for heating, a larger ratio of the coil can reach the optimum flavor delivery temperature. For users, this translates to bigger, more flavorful clouds.”

VAPORESSO Morph-Mesh (left) and traditional mesh(Right)

Flavor consistency

You might have experienced that perfect flavor before, just to have it degrade over time as the cotton core loses its ability to retain liquid. While a step up from older silica-based wicks, organic cotton wicks still suffer from significant liquid retention degradation over time. Unfortunately, to find a cotton that sidesteps this issue, we have to go back to the drawing board.

“We’ve checked all cotton materials in the market, but couldn’t find any that fit our requirements. So we decided to make one of our own.”  Dr. Zhou said. In adopting the industry’s first 3D spunlace process, Zhou’s team succeeded in making a patented COREX cotton wick. Comprised of microfibers which give it a cloud-like fluffy texture and greater surface area, COREX cotton abstracts e-liquid more efficiently, thoroughly, and evenly compared to standard cotton wicks.

“According to lab tests, the COREX cotton’s flavor retention is 40% higher than that of traditional cotton, and has a service life 20 % longer than that of a traditional cotton core. For users, this means every puff carries the same flavorful punch, even after longer use.” Said Dr. Zhou.

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