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Main components:
Polyethylene terephthalate (PET) fibers, content ≥ 99%
Porosity:
75% – 90%
Filtering accuracy:
Highly efficient adsorption and uniform distribution of herb oil and essential oils
Melting point:
230 – 260℃, hot melt bonding, low shrinkage rate, stable structure
Key characteristics:
Oil-resistant, non-toxic, odorless, no hair shedding
Processing types:
Needle-punched type and hot melt type
Advantages:
High porosity, excellent liquid retention ability
Core application:
Over 70% for electronic atomization product accessories
Product Details
1.1 Chemical stability
Inert strength: PET (polyethylene terephthalate) itself is a very stable polymer. It has excellent corrosion resistance to various components in essential oils, does not undergo chemical reactions with essential oils, and can ensure the taste and purity of essential oils.
1.2 Odorless:
Pure PET fiber itself has no odor and does not have the natural taste of plant fibers like some cotton materials (such as untreated organic cotton), thus avoiding cross contamination and ensuring the true restoration of essential oil flavor.
1.3 Thermal stability
High temperature resistance:
The melting point of PET is usually above 250 °C, while the normal operating product temperature is much lower than this value (usually below 200 °C). This means that PET cotton will not melt, deform or sinter under normal working conditions, avoiding the production of harmful substances due to high-temperature decomposition.
1.4 Oil conductivity and oil locking properties
1.5 Structural strength a nd durability
2. Core Application of PET Cotton
2.1 Partial finished atomization core:
Many devices or finished atomization cores that can be filled with oil also use PET cotton as the oil storage medium inside. It integrates the oil guiding cotton and coil together, allowing users to replace them immediately after use, making it convenient and fast.
2.2 Liquid guiding medium:
Aromatherapy / industrial atomizer core material, essential oil diffusion carrier.
2.3 Filter and adsorption:
Liquid filtration support layer, industrial oil or liquid absorption pad.
2.4 Electronic protection:
Battery pack heat insulation and buffering, electronic component filling and fixation.
2.5 Cosmetics and personal care:
Cosmetics liquid guiding core, makeup remover cotton base material.
2.6 Industrial filling:
Automotive interior, sealing strips and packaging buffering materials.
3. Core Advantages of PET Cotton
3.1 Extremely high consistency
As a standard product for industrial production, the fiber density, thickness, and length of PET cotton can be precisely controlled. This makes every atomization core produced with it have a highly consistent oil guiding effect and taste, which is incomparable to manual cotton filling and greatly facilitates large-scale production.
3.2 High production efficiency and controllable cost
PET cotton can be made into rolls or embryos of specific shapes, which is very suitable for high-speed cutting and filling in automated production lines, greatly improving production efficiency and reducing production costs.
3.3 Stable and reliable user experience
For the vast majority of users, using PET cotton products means' out of the box, stable and reliable. They don't need to worry about cotton filling skills, oil guiding speed, oil leakage, and other issues, providing a convenient and worry free user experience.
3.4 Security is guaranteed
Its excellent chemical and thermal stability ensures that no harmful substances are produced under normal use, meeting the basic requirements for product safety.

4. Limitations analysis
Although PET cotton has significant advantages, there are also some limitations, which are mainly evident when compared to the organic cotton commonly used by RBA (Reconstructable Nebulizer) players:
4.1 Subtle differences in flavor reproduction
In the eyes of RBA players who pursue the ultimate taste, high-quality organic cotton, due to its fluffiness and more natural fiber structure, may have a more "vivid" and "layered" restoration of essential oil flavors. The flavor reproduction of PET cotton is considered by some players to be somewhat "plain" or "dull".
4.2 The instantaneous explosive power is slightly weaker
When dealing with instantaneous ultra-high power pulses, organic cotton may perform better than PET cotton and avoid dry burning due to its extremely fast instantaneous oil transmission speed.
4.3 Non reusable
PET cotton is usually tightly integrated with the atomization core structure, and users cannot replace it themselves. For RBA players, organic cotton can be removed, cleaned, or replaced at any time, making it more playable and flexible.
Technical Specifications
Fiber Cotton Data
|
Items 项目 |
PA+PET |
PET+PET |
|
PA(High Temperature)含量 PA (High Temperature)content(%) |
71 |
- |
|
PET(High Temperature)含量 PET (High Temperature)content(%) |
- |
71 |
|
PET (Low Temperature)含量 PET (Low Temperature)content(%) |
29
|
29
|
|
膨胀率 Expansivity(%) |
3 |
3
|
|
密度 Density(g/cm3) |
0.04-0.7 |
0.04-0.7 |
|
纱直径 Yarn diameter(μm) |
15-20 |
15-20
|
|
纱克重 Yarn gram weight |
400D
|
400D |
|
熔化温度 Melt Temperature |
250℃ |
250℃ |
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