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Help CenterTransparent Conductive, Heat Insulating and Infrared Absorbing Ato Powder (nanometer Antimony Tin Oxide) Antistatic Powder, in Stock for Supply
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Industry Pain Points and Solutions
In the fields of high - end coatings, films, and electronic packaging, traditional conductive or antistatic materials often sacrifice transparency. Dark fillers like carbon black and carbon nanotubes can conduct electricity effectively, but they turn the coating black and cause a sharp drop in light transmittance. Indium tin oxide (ITO) has good conductivity but is costly and difficult to process. Meanwhile, the demand for infrared heat insulation in scenarios such as architectural glass and automobile sunroofs is increasingly urgent. Conventional heat - insulating materials (e.g., tungsten oxide) can block heat, but they cannot combine conductive or antistatic functions. This dilemma of having difficulty achieving a balance among "transparency - conductivity - heat insulation" seriously restricts the performance improvement of emerging products such as smart windows, antistatic packaging, and transparent heating films. Since its establishment in 1998, Yantai Jialong Nano Industry Co., Ltd. has been deeply engaged in the R & D of nano - functional materials. Relying on the National 863 Program Achievement Industrialization Base and the Enterprise Postdoctoral Research Station, it has launched Transparent Conductive and Heat - Insulating Infrared - Absorbing ATO Powder (Nano Antimony Tin Oxide Antistatic Powder) to address the above pain points. This product uses the energy - band regulation technology of antimony - doped tin oxide to achieve stable conductivity while maintaining high transparency. At the same time, it utilizes the quantum - size effect of nanoparticles to enhance the absorption of near - infrared (780 - 2500nm) radiation, achieving heat - insulation. From raw - material screening to particle - size control, we adopt the liquid - phase co - precipitation + high - temperature calcination process to ensure batch stability and dispersibility, which can be widely applied in fields such as transparent antistatic coatings, heat - insulating glass coatings, and electronic packaging films.
Working Mechanism and Technical Features
This product is nanoscale antimony - doped tin oxide (Sb:SnO₂) powder with a particle size concentrated at 10 - 30 nm and a specific surface area ≥30 m²/g. Its working principle is based on three core mechanisms:
- Conductivity: The doped Sb⁵⁺ ions replace the Sn⁴⁺ lattice positions, releasing free electrons to form n - type conduction. The resistivity can be stably maintained in the range of 10³~10⁵ Ω·cm (specifically depending on the addition amount and the substrate used), which can not only meet the antistatic requirements (surface resistance 10⁶~10⁹ Ω) but also avoid poor electrostatic leakage.
- Infrared Absorption: The ATO nanoparticles have a strong local surface plasmon resonance (LSPR) effect in the near - infrared region, which can efficiently reflect/absorb infrared radiation with a wavelength > 800nm. The visible - light transmittance can be maintained at ≥80% (in the case of a coating thickness of 1 - 2μm), thus achieving transparent heat - insulation.
- Synergy of Heat Conduction and Antistatic:Uniformly dispersed nanoparticles form a conductive network in the coating. Meanwhile, they have a relatively high thermal conductivity, which helps dissipate heat and further optimizes the heat insulation effect.
Technical Specifications (Typical Values)
The following table lists the regular parameters of this batch of products. The actual indicators can be adjusted according to customer requirements:
| Parameter | Typical Value | Test Method |
| Primary Particle Size (TEM) | 10~30 nm | Transmission Electron Microscopy |
| Specific Surface Area (BET) | 30~50 m²/g | Nitrogen Adsorption Method |
| Powder Resistivity | 10³~10⁵ Ω·cm | Four - Probe Method |
| Density (True Density) | 6.5~7.0 g/cm³ | Pycnometer Method |
| Appearance | Light blue to gray - blue powder | Visual Inspection |
| Moisture Content | ≤0.5% | Oven Drying Method |
| Dispersibility Recommendation | Can be dispersed in water, alcohols, and resin systems | Actual Testing |
Core Advantages
Compared with traditional competitors, this product has the following outstanding features:
- Both High Transparency and Strong Heat Insulation: With the same film thickness, the visible light transmittance is 5%~10% higher than that of similar products, and the infrared blocking rate reaches 70%~85%(Wavelength 900 - 2500nm).
- Long - lasting antistatic performance: A low addition amount (3% - 8%wt) can achieve a surface resistance of 10⁶ - 10⁹Ω, and the resistivity is less affected by humidity, making it suitable for harsh environments.
- Excellent dispersibility: After surface modification treatment, it can be directly dispersed in water, alcohols or various resin systems by stirring without grinding, reducing the customer's processing cost.
- Batch stability: The company has passed the ISO 9001 quality management system. Each batch of products is tested for particle size, resistivity and whiteness to ensure consistent performance.
- Environmentally friendly and safe: ATO powder does not contain heavy metals, halogens and other harmful substances, meeting the RoHS 2.0 standard.
Trust endorsement and consulting advice
As the Key High - tech Enterprise of the National Torch Program and the supporting unit of the Shandong Provincial Engineering Technology Research Center for Nano Coatings, Yantai Jialong Nano Industry Co., Ltd. has undertaken and completed more than ten national scientific and technological projects, including the National 863 Program. The company has a Post - doctoral Research Station. The R & D team consists of talents from multiple disciplines such as materials science and chemical engineering, and maintains long - term cooperation with many universities. Our 33333 square meters factory is equipped with a complete equipment chain from testing to production, which can provide stable supply from laboratory samples to ton - level mass production. We suggest that customers conduct joint tests with our technical team according to their own resin systems, film thickness requirements and target performance. We can provide free samples (within 500g) and detailed application proposals to help you quickly develop products in the fields of transparent conductivity, heat insulation or antistatic. Please contact us through the official website or email, and we will respond within one working day. Let's jointly explore the infinite possibilities of nano - ATO in scenarios such as smart windows, photovoltaic encapsulation, and antistatic floors.
FAQ (Common questions from professional buyers)
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Q: How is the cost - performance ratio of ATO powder compared with ITO powder?
A: The raw material cost of ATO powder is much lower than that of ITO (indium is expensive). Although its conductivity is slightly lower (the resistivity of ITO is about 10⁻⁴ - 10⁻³ Ω·cm), it is completely sufficient for antistatic and medium - level heat insulation requirements. The comprehensive cost of ATO powder is only 1/5 - 1/3 of that of ITO, making it more suitable for large - area applications. -
Q: How much does the addition amount affect the transparency of the coating?
A: When the addition amount is 3% - 5%wt, the visible light transmittance of the coating can be maintained above 80%. When the addition amount increases to 8% - 10%, the transmittance drops to 60% - 70%, and the infrared blocking rate increases to over 85%. It is recommended to adjust the appropriate ratio according to the requirements for transparency and conductivity. -
Q: Can the powder be directly used in water-based coatings?
A: Yes, it can. Our ATO powder has undergone hydrophilic treatment and can be directly dispersed in deionized water, ethanol, and systems such as water-based polyurethane and acrylic. It is recommended to use a high-speed disperser (rotation speed ≥2000rpm) to disperse for 15 - 20 minutes. If necessary, add 0.1% - 0.5% dispersant for assistance. -
Q: How about the long-term weather resistance? Is it prone to discoloration?
A: ATO itself has stable chemical properties and is resistant to acids, alkalis, and ultraviolet radiation. In our accelerated aging test (QUV 1000h), the color change ΔE of the coating is ≤2.0, and the conductivity attenuation is less than 5%. It is suitable for outdoor building glass and automotive parts. -
Q: Can it be used in food contact materials or medical devices?
A: This product does not contain harmful elements such as lead, cadmium, and mercury, but migration tests specifically for food contact materials have not been conducted. If it is to be used in such scenarios, it is recommended to provide specific application requirements, and we can cooperate in conducting compliance assessments or recommending more suitable models. -
Q: What are the storage conditions and shelf life of the powder?
A: It is recommended to store it in a sealed container in a cool and dry place (temperature -
Q: Does your company provide technical support?
A: Yes. We have an experienced team of application engineers who can provide services such as formula optimization, dispersion process guidance, and performance testing. Depending on the complexity of the project, remote or on-site support can be arranged. All sample orders come with cards of recommended dosage and process parameters. -
Q: What is the minimum order quantity and delivery cycle?
A: The small sample is a 500g free sample (you need to bear the freight), and the minimum order quantity for small batches is 1kg (payable). The regular packaging is 20kg/barrel (composite paper bag + PE inner bag). When the inventory is sufficient, the goods will be shipped within 48 hours. The delivery time for large quantities (≥500kg) is usually 7 - 15 working days.
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