Ceramic coils: Advantages and Disadvantages - Vaping Post

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As any innovative product, some people like it, while others don't. However, when browsing the web, many returned questions about ceramic coils. How safe are they? Are there different types of ceramic coils? More specifically, what is a ceramic coil?

Innovation and updates are the strong driving force in the field of vaping. They can promote product sales and deal with security risks. The heating element may be part of the e-cigarette device, in which most illusions are expressed. Kanthal, Nichrome, twisted pair, Clapton wire... all kinds of alloys of different shapes are in use, but there is no wire gap between one type of coil and the other type: ceramic coil.

Ceramics have penetrated into every detail of daily life, why not in your e-cigarette?

Quit the old fashion pottery and bricks, most of which are ceramics. Modern ceramics are used

Tooth substitutes and dentures to make blades for kitchen knives and for many other types of applications. The mechanical properties (wear resistance, elasticity, high temperature resistance), optical properties (from transparent to completely opaque) and electrical properties of ceramic parts are excellent.

In coil science,

Lead to frequent failures of the wires, because

 Accelerate at high temperatures. This phenomenon is exacerbated in the presence of an aggressive mixture of e-liquids and during repeated heating and cooling. As a result, a layer of oxidized material is formed on the surface of the wire. There is definitely a risk that the layer will peel off and particles will be released.

Some manufacturers have added "ceramics" to their atomizers, but

Regarding which type of ceramics to use. Together with ceramics, these brands announce longer service life, self-cleaning properties, no cracking and better flavor performance. They also proposed that there are no metal parts that oxidize in the presence of e-liquid, which is a safer choice for users.

The ceramic used for the heating element is basically a mixture of oxides: lead, silicon, boron, magnesium, titanium and one or more oxides selected from nickel, manganese, cobalt and iron. Ceramic goes a step further 

And form a protective glaze to prevent further oxidation. The oxide contained in the mixture is firmly trapped in the structure and helps to improve electrical performance. The patent for the coating line was registered in the early 1960s, and this technology is still in use today.

The other type is

, Is a cylinder molded around the resistance wire. Here, the material used is silicon and ceramic is


And described it as a "revolutionary heating element". Very similar in

Family, microporous ceramic coil manufactured by Kanger.

Guo Hong promotes his "revolutionary"

, It is composed of resistance wire coated with a ceramic (chip), and a cotton core is wrapped around it. The Razor chip in Para Tank of Vaping Outlaws is similar to Guo's CVU chip.

The manufacturer claims that the ceramic coil can withstand extremely high temperatures without emitting chemicals, and its service life is longer than that of ordinary once-a-week disposable metal resistance wires. However, the focus is more physical. It includes degradation of ceramics and inhalation of ceramic powder that may flake off.

Vaporesso's cCELL ceramic coil is a microporous ceramic tube coated with cotton, which contains a resistance wire. When power is supplied to the wire, it heats the surrounding ceramics. The ceramic element itself is the wick. Due to its microporous structure, the juice climbs up by capillary action. Compared with the core wire, the larger surface area of ​​the microporous material helps to enhance the taste of the aerosol. According to the manufacturer, no contact between the red line and the liquid can also prevent regurgitation.

Back in January 2016, Phil Busardo was

When looking at Vaporesso’s ceramic coils, the steam has a higher steam content. The famous reviewer commissioned a third party to further

With such a microporous ceramic coil. This

 Did not confirm Phil's concerns, and concluded:

After using ceramic coils.

Recently, the Chinese manufacturer Uwell launched

From three brands that exist at the same time, and draw conclusions about potential harmful particle emissions. The company pointed out

Shenzhen Uniwell Technology Co., Ltd. is a young company established in Guangdong Province, China. Their main activities are quality control, safety management and improved e-cigarette technology. Shenzhen Uwell is a part of Uwell, a major e-cigarette manufacturer in Hong Kong, committed to providing customers with the best e-cigarettes and professional services at affordable prices.

Uwell's "analysis" is far from compelling scientific methods, but lies in the compilation of microscopic observations, including the author's comments on potential harm. Regardless of the author's consideration, this document brings up some interesting aspects of microporous ceramic heating elements.

Visually check whether there is cotton around the ceramic heating body. It also relates more specifically to the microporous structure: the ceramic coil appears as a glass-like surface in which impurities are embedded. When broken, the glass-like parts have defects and sharp edges. When reading the document, the size of the ceramic powder "distributed between 30-120 microns, too small to be seen by the naked eye".

According to the author, the powder comes from the molding of the ceramic coil itself. To produce porous ceramic materials, manufacturers bake raw materials such as silica powder with pore-forming materials such as starch or other organic polymers, and form pores as the pore-forming agent burns and escapes. First, this process makes

just in case. Secondly,

Material to make it more fragile.

From a

, The inhalation and retention of inert substances in the lung parenchymal tissue may lead to chronic infections, such as 

(The author mentions silicosis, but asbestosis can also be cited). As Uwell puts forward with regard to its conclusions, this is the main hazard when exposed.

If the purpose of using ceramic coils is

, A

. Correspondingly, its price is usually an order of magnitude higher than that of cheap porous ceramics. Please note that this does not preclude the use of wicks.

-Not really. Replacing the wick provides an opportunity to visually inspect the heating element to ensure that no "caramel" (for example, the combustion product of organic molecules when acrolein is produced) sticks to the heating element.

in case

Look for,

Is a correct choice, the price is usually less than 20 US dollars. A major disadvantage is that if they are impacted, they may become brittle and release particulate matter as they age. The theory that this particulate matter may accumulate in the lungs and produce fibrosis may be an extreme case, but it is definitely not what you expect from e-cigarettes. Here, the quality of the ceramic is the main factor of risk: the higher the porosity, the better the taste, but also the more brittle.

As shown in some YouTube videos, the cleaning process includes rinsing the coil with water and performing dry burning, which is risky. When the water is heated, the pressure generated by the steam tends to embrittle the porous structure. In this case, rapid heating is even worse due to the large amount of steam generated and unable to escape from the porous structure. The pressure it exerts on the structure exceeds the physical limits of the certified material.

Finally, new products such as

Between the ceramic glaze line and the metal alloy. This is the case 

According to the manufacturer, its service life is more than 2 months, and the median price is between microporous and glazed silk. According to its manufacturer, the resistance of this coilless heating element to high temperatures allows its pyrolysis and self-cleaning properties.

More information about dry beer:

One thing I encountered while searching for more information was that certain ceramic materials seemed to form cristobalite materials (when heated to around 900 degrees Celsius (dry firing temperature?)).

Scientifically direct. com / science / article / pii / S0273230013002158

Cristobalite seems to be soluble in water.

minsocam. org/ammin/AM47/AM47_897.pdf

Any ideas? I really can't find useful information about it.

I really hope that the ceramic coil manufacturer can provide more material information than now! It is becoming a guessing game

Most anti-ceramic materials are ridiculous and interesting. Silicon is a common element in the earth's crust, and most of us are exposed to silicon dust many times in our lives. Unless someone is constantly exposed to dust by living in a place like a desert, or exposed to high dust like in a mine, this is not a problem. According to Wikipedia on Silicosis, “It is said that brief or brief exposure to a small amount of crystalline silica dust will not cause clinically significant lung disease.” We have enough practical problems to solve without worrying about what we imagined problem.

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