Product Details
1. Overview of Car Porous Ceramic Scent Plate Disc Aroma Fragrance Diffuser Stone
1.1 Definition and Formation
Car Porous Ceramic Scent Disc, also known as automotive aroma diffuser stone or ceramic fragrance volatilization tablet, is a specially engineered porous ceramic component for in-car odor improvement and aromatherapy diffusion. It is manufactured from high-purity diatomite or alumina ceramic powder blended with food-grade pore-forming agents, through precision dry pressing molding and medium-temperature controlled sintering process.
During the sintering cycle, a large number of uniformly interconnected micropores and capillary channels form inside the ceramic matrix. These open pores act as a natural liquid storage and slow-release system: after essential oil or perfume is dropped onto the disc, the porous structure absorbs and locks the fragrance liquid through capillary action, then releases aroma gently and continuously into the air without any power supply. This product serves as a core functional part for car air vent perfume clips, dashboard aroma ornaments and hanging fragrance diffusers, and is widely supplied to automotive fragrance brands and gift markets worldwide.
1.2 Classification and Grade Standards
Based on raw material formula and application grade, car porous ceramic scent discs are mainly divided into two categories: diatomite-based diffuser stone and high-purity alumina-based diffuser disc.
Diatomite-based ceramic scent disc uses natural diatomite as the main raw material, featuring inherent porous structure, mild diffusion rate and high cost performance, making it the mainstream model for mass-market automotive fragrance products. High-purity alumina-based diffuser disc undergoes deep material purification, with more uniform pore size distribution, better chemical stability and longer service life, specially designed for high-end essential oil aromatherapy and premium automotive interior accessories.
All automotive-grade products strictly control heavy metal residues and volatile impurities, complying with EU REACH and RoHS environmental protection standards. Featuring stable fragrance release, safe material properties and customizable appearance, porous ceramic scent discs have become the preferred upgrade alternative to traditional felt, paper and gypsum fragrance carriers.
2. Core Characteristics of Car Porous Ceramic Scent Diffuser Stone
2.1 Physical Structure Characteristics
All core functions of ceramic diffuser stone stem from its interconnected microporous capillary structure, with controllable porosity of 40%–60% as its most defining feature.
The uniform three-dimensional pore network delivers strong capillary absorption capacity for essential oil, perfume and fragrance liquid. It can quickly absorb fragrance liquid and store it inside the ceramic matrix without surface overflow or dripping. The rigid sintered ceramic skeleton maintains stable pore structure during long-term use, without pore collapse, deformation or particle shedding, ensuring consistent diffusion rate throughout the entire service cycle.
The only physical limitation is relatively low impact resistance caused by high porosity, which can be effectively improved by optimizing sintering density and adding edge reinforcement design, to adapt to vibration and slight collision during daily vehicle driving.
2.2 Chemical Properties
The main component of qualified automotive ceramic diffuser disc is inert silicate or alumina ceramic phase. It possesses excellent chemical inertness and will not react with most plant essential oils, alcohol-based perfumes and common fragrance additives. It will not dissolve, discolor or precipitate harmful impurities to contaminate the fragrance liquid, nor will it produce pungent off-odors that interfere with the original aroma profile.
The material is non-toxic, odor-free and formaldehyde-free, with no harmful volatile substances released under normal working conditions. It causes no secondary pollution to the in-car air environment, and can be safely used in closed car cabins for extended periods.
2.3 Thermal Performance
Porous ceramic scent disc has outstanding thermal stability, with a normal working temperature range of -30℃ to 150℃. It fully adapts to extreme temperature fluctuations inside vehicles: it will not soften, deform or crack under high-temperature exposure from summer parking, and will not suffer pore blockage or performance degradation in cold winter conditions. Reliable thermal shock resistance ensures stable fragrance diffusion under frequent temperature alternation, making it highly suitable for the complex and changeable in-car thermal environment.
3. Advantages of Car Porous Ceramic Scent Diffuser Stone
3.1 Uniform Slow-Release & Long-Lasting Fragrance Performance
High porosity and capillary micropore structure are the core competitive advantages of ceramic diffuser stone. Different from traditional felt and paper fragrance carriers that volatilize too fast and produce uneven scent intensity, it achieves gentle, uniform and long-lasting aroma release. A single drop of essential oil can maintain continuous fragrance for days to weeks, effectively avoiding the common problem of strong initial smell followed by rapid fading of ordinary car perfume. The diffusion rate can be adjusted by changing porosity, disc thickness and surface area to match different cabin sizes and preferred fragrance concentrations.
3.2 Safe & Non-Toxic with Stable Chemical Properties
Benefiting from inert ceramic material properties and food-grade production standards, the scent disc is extremely safe for in-car use. It contains no plasticizers, organic solvents or other harmful ingredients, and releases no toxic volatile gases even under high car interior temperatures, fully meeting the safety requirements for automotive interior parts. It also resists mildew and bacteria growth in humid air-conditioned environments, maintaining hygienic and clean long-term use.
3.3 Heat-Resistant & Durable for Automotive Scenarios
The sintered ceramic structure resists high temperature, aging and ultraviolet radiation. It will not age, become brittle or discolor under long-term sunlight exposure inside the car, and its service life is far longer than plastic, fiber and gypsum fragrance carriers. It can be refilled with essential oil repeatedly for continuous use, which greatly reduces replacement frequency and long-term cost.
3.4 Economical & Environmentally Friendly
As an inorganic ceramic product made from abundant mineral raw materials, it features controllable production cost and high cost performance. The reusable refillable design reduces disposable fragrance waste generation. The material itself is non-combustible and pollution-free after disposal, which aligns with the development trend of green, low-carbon automotive interior accessories.
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项目
Item
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陶土头/渗灌管Infiltration Cup |
植物吸水棒
Plant Water
Absorbing Wick
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电极砂芯
Electrode Wick
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陶瓷芯棒Ceramic Wick
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曝气板/管
Aerator plate/tube
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香薰陶瓷
Scented Ceramic
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真空陶瓷吸盘
Vacumm Ceramic Chuck
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废水废气处理微孔陶瓷
Porous Ceramic for water and gas treatment
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|
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白色氧化铝
White Alumina
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碳化硅
Silicon Carbide
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|
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密度(g/cm³)
Density
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1.6-2.0
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0.8-1.2
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1.8-2.2
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0.8-1.2
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2.5-2.6
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1.6-2.0
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1.7-2.0
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2.8-3.2
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2.6-3.0
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开放孔率(%) Open Porosity
Rate
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30-40
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50-60
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20-30
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40-60
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30-35
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30-45
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35-40
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NA
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NA
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气孔率(%) Porosity Rate |
40-50
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60-75
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25-40
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60-75
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35-36
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40-50
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40-45
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30-40%
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30-40%
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吸水率(%)
Water
Absorption
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25-40
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40-70
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10-28
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40-70
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20-23
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25-40
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25-35
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NA
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NA
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孔径 ( μm） Pore Size |
1-5 |
1-3 |
1-3 |
1-3 |
1-3 |
1-5 |
1-10 |
2-50μm |
20-80μm |
Development History
Patents and certification
We’ve obtained various global certifications includingIATF16949，CE, EMC, LVD, RoHS, FDA, MSDS, ISO 9001, SGS and TUV. We also own eight registered trademarks and forty technical patents to support independent R&D.
Our proprietary core technologies run through all product lines: porous ceramics, industrial ceramic components, special glass, metallized ceramics, liquid absorption cotton, ozone generators and silicone goods. All products are manufactured in strict accordance with international quality standards, delivering reliable and high-performance solutions that have gained wide recognition and market trust worldwide.
Package
We adopt scientific and standardized packaging solutions tailored to product characteristics to effectively prevent collision, extrusion, dust and moisture damage. With mature global transportation system and strict shipment inspection procedures, we ensure all products remain intact and stable during long-distance delivery, providing customers with safe, efficient and reliable one-stop logistics service.
Services
Inquiry & Customization
We provide fast and accurate quotation response for all your inquiries. Flexible OEM & ODM customization solutions are available to meet your unique product design, packaging and branding requirements.
Order Quality Control
We keep clients updated with full production progress throughout the whole order cycle. Our QC team carries out strict comprehensive pre-shipment inspection to guarantee all goods comply with your quality standards before delivery.
Customs Document Support
We prepare a full set of standard export documents including commercial invoice, packing list, certificate of origin and other certification papers, to ensure smooth global customs clearance for shipments to all destinations worldwide.
One-Stop Logistics
Multiple shipping methods including sea freight, air freight and express delivery are offered to match your schedule and budget. We supply real-time cargo tracking service so you can monitor shipment status anytime.
Flexible Payment
We support a wide range of secure international payment terms such as T/T, L/C, Western Union and other mainstream cross-border settlement methods to reduce your cross-border transaction risks.
After-Sales Support
Our professional after-sales team offers timely technical and business support all year round. We maintain steady long-term stable supply capacity to fully back up your continuous market sales and project demands.
FAQ
01
Question: Can you produce based on customers’ drawings or physical samples?
Answer: Absolutely yes. We accept technical drawings in all mainstream file formats as well as actual physical samples. Before formal production, our engineering team will provide a full professional DFM feasibility evaluation for your reference.
02
Question: How long is the production lead time for custom orders?
Answer: Sample lead time: 3–7 working days. Custom mold lead time: 5–10 working days (we will confirm the cycle separately with you for complex molds). Mass production lead time: 7–20 working days, depending on product structure complexity and order quantity.
03
Question: What’s your minimum order quantity for custom products?
Answer: We provide flexible MOQ solutions for all customized items. We will try our best to set a low minimum order volume to support your small-batch trial orders, meanwhile we can handle stable mass production to satisfy your long-term bulk demands.
04
Question: What customization services can you provide?
Answer: We support comprehensive one-stop customization, including product size, shape, appearance, precision tolerance, surface treatment, hole grooving, bending, cutting and adjustable high-temperature resistant parameters. Custom engraved LOGO and exclusive customized packaging are also available as extra personalized options upon request.
05
Question: Do you accept third-party inspection of finished products?
Answer: Yes, we fully cooperate with all mainstream authorized third-party testing institutions. Well-known organizations such as SGS, BV and other internationally recognized inspection bodies are all acceptable. We can supply complete official inspection reports and material certification documents as you require.
06
Question: Can you customize raw material options for products?
Answer: Sure. We can select and match appropriate raw materials according to your application scenarios, working conditions and performance requirements, including alumina, zirconia, quartz, silicone and other special engineering materials, and adjust related performance parameters to meet your usage standards.
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