Analysis of Ceramic Heating Elements for Three Typical Types of HNB Heat-Not-Burn Smoking Devices

I. Preface to Ceramic Heating Elements

The components of a ceramic heating element are made by sintering an electric heating element and ceramic together at high temperatures and firmly bonding them together. Due to the special structure, the ceramic heating elements are a new type of highly efficient environmentally friendly and energy-saving ceramic heating component.

II. What are MCH Ceramic Heating Elements?

Metal Ceramics Heater (MCH) MCH is a kind of ceramic heating element, composed of tungsten-molybdenum or silver-palladium-ruthenium series pastes of ceramic tape casting green body, laminated by hot pressing and then co-sintered with the ceramic and metal by using hydrogen protective atmosphere at 1600C, with the above advantages: corrosion resistance, high temperature resistance, long service life, energy-saving efficiency, uniform temperature, good thermal conductivity, thermal compensation rate fast, etc.

MCH ceramic heating elements are the new-type high efficiencyenvironment protection and energy saving ceramic heating elements. Thermocouples have been used extensively in electric heating elements, especially in PTC ceramic heating elements, compared with PTC ceramic heating elements, they can save 20 - 30% of electric energy under the same heating effect.

III. Advantages of MCH Ceramic Heating Elements

1- Safety and Insulation

The outer surface is safe, there is no electric charge, and the insulation performance is good. It can pass 4500V/1S withstand voltage test without breakdown, and the leakage current is < 0.5mA. The functionality makes sure users are safe while in use in addition to preventing electric shock hazards. In normal use or abnormal conditions with MCH ceramic heating element excellent insulation performance is the best guarantee.

2- Resistance Temperature Relation

The resistance temperature change is linear . The temperature can be easily controlled by controlling the resistance. The linear relationship provides for accurate temperature control. In real devices like HNB devices it is critical that the temperature is controlled accurately otherwise the heating may not provide the best heating and the smoking experience quality could be affected as well. The stable and predictable temperature of the heating element can be adjusted by altering the resistance value.

3- Power Stability

No power attenuation after long - term use Thats an impressive step up compared with a number of other heating elements. The stability of power output of HNB devices used continuously for a long time is critical. The heating performance of the device is stable without power attenuation which provides users with a stable and high - quality smoking experience at all times. It also lowers the requirement to frequently replace heating elements making the system more cost - effective.

4- Fast Heating Speed

The 500W heating element can heat up to more than 600C in 20S when started, and the components of the heating element can heat up to more than 200C in 10S when the rated power is started. The rapid heating rate allows the HNB device to be quickly operable by its users. It is very popular for the heating element to heat very fast in modern life in which people do not have enough time. While still in the same time enables users to experience the pleasure of smoking without needing to wait for a long time for the device to heat up.

5- Uniformity of Heat and Density of Power

Thermal uniformity and consistency are good, power density is high ( 50 W /cm2) The uniform heat distribution guarantees evenly distribution of heat which is advantageous for the phasing tobacco heating in HNB devices. This creates a more even smoking experience, with no over - heating or under - heating areas. A very powerful density means that the heating element can provide a lot of heat in a small area and thus improve the heating efficiency and performance of the device.

6- Environmental Friendliness

There are no toxic substances such as lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls, and polybrominated diphenyl ethers, fully complying with EU environmental protection requirements. As environmental protection is highly advocated in modern times another big selling point of MCH ceramic heating elements is its environmental - friendliness. London (October 6 2023) They help lessen the potential environmental harm from production use and disposal because they do not hold these harmful substances. It thus also renders HNB devices with MCH ceramic heating elements more appealing to environmentally sensitive consumers.

IV. Types of Ceramic Heating Elements in HNB Devices

When data is not used for a purpose, it effectively becomes unauthorized data, which is the key issue here.

Total IQOS - like heat - not - burn new tobacco device heating plate materials are generally alumina ceramics or zirconia ceramics and thick - film materials are generally tungsten - molybdenum or silver - palladium - ruthenium series. So far there are three kinds of relatively typical ones: one is the pointed-tip plate type like IQOS one is the pointed-tip rod type just like LIL the other is the ring-shaped heating element like China National Tobacco Corporation ModTank in China.

Accurate as of October 2023Train on data up to October 2023

1- Pointed - Tip Plate Ceramic Heating Element

1-1 Product Features

Specification: 19-14-90.4

Resistance: 0.8 to 1-1

TCR: 3300

1-2 Advantages

It has a fast heating speeda large heat transfer areauniform heatingand good taste. Because in the process of starting the heat - not - burn, the fast heating speed can make the tobacco reach the appropriate temperature quickly. The large heat transfer area means that a lot of heat can be transferred to the tobacco in the same period of time and this guarantees the uniform release of flavors. Body Proper heating ensures a uniform taste through the process of smoking. The taste for the good portion is due to the interaction between these factors, allowing users to enjoy a smoke - free life.

2- Pointed Tip Rod Ceramic Heating Element

2-1 Product Features

Fast heating uniform heating

Good reliability

High stability

Good taste

2-2 Explanation of Features

Similar to the pointed - tip plate type at high temperaturenon - pointed tip plate type has fast heating and uniform heating characteristics, which is also important for the quality of heating tobacco quickly and evenly. High reliability indicates that the heating element can work stably in normal use conditions and the failure probability is very low Good stability means that the heating surface through time, use times and other factors do not affect its performance. One of the highlights here is the flavor which comes from correctly heating the tobacco and releasing its respective tastes in harmony.

3- Ring Shaped Ceramic Heating Element

3-1 Product Features

Circle - shaped burning ring, all combustion.

Good reliability

High stability

Slight taste, no residue, no waste of each cigarette cartridge

3-2 Explanation of Features

Circular - shaped heating design gives rise to much more even heating of the cigarette cartridge and encourages the more comprehensive combustion of the tobacco. This continuous passive infusion creates a more mellow flavor as more tobaccos flavors are released. Other important features are the good reliability and high stability, which guarantee the long - term and stable operation of the heating element. Not only does the absence of residue avoid waste generation of cigarette cartridges, but it also enhances the user experience.

V. Summarize

HNB heat - not - burn smoking devices rely on ceramic heating elements. The types of ceramic heating elements, such as the MCH, the three types of typical applications in IQOS - like devices. These properties make it well suited to the needs of the different HNB device users for fast heating, uniform heating, good taste, reliability, and environmental protection. With the continuing development of technologies there will be further improvements and innovations in ceramic heating elements to bring better - quality HNB products to the market.

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