Oven Heating System (OHS)

      Resistive external heating

      The latest addition to our heated tobacco product (HTP) devices is commercialized as BONDS by IQOS. The Oven Heating System (OHS) uses resistive external heating, with no blade, via the ROUNDHEAT TOBACCO SYSTEMTM, to heat the tobacco across the external surface of the tobacco stick instead of burning it like a cigarette does.  

      Because the tobacco is heated and not burned, the levels of harmful chemicals in the generated aerosols are significantly reduced compared to cigarette smoke. These devices use specially designed heated tobacco units (HTUs), also known as tobacco sticks, called BLENDS. The HTUs contain specially processed tobacco for heating, two filter sections, and a front plug.  

      How does it work?

      The resistive heater is made of flexible polyamide, stainless steel tracks wrapped around a cylinder stainless steel tube, with an insulated thermal casing around. The control electronics ensure the heater's temperature is controlled and provide protective monitoring to prevent overheating. It also controls the battery charging and user interface. When fully charged, the pocket-sized, all-in-one OHS delivers up to 20 uses, including three consecutive experiences.

      Despite the change in heating technology, which heats the tobacco from the outside like an oven, the aerosol generated by our latest HTP remains similar to previous versions of our Tobacco Heating System (THS). Like our blade and induction THS, the OHS emits 95% less harmful toxicants compared to cigarettes. However, this does not necessarily equal a 95% reduction in risk. The OHS is not risk-free and provides nicotine, which is addictive. The “95% less” represents the average reduction in levels of harmful chemicals from relevant internationally recognized regulatory lists, compared to the smoke of a reference cigarette.