Explore our foundational stock of precision-synthesized materials, liquid synthetic rubbers, and specialty inorganic compounds engineered for global manufacturing integrity.
As a global primary B2B luminescent powder supplier, Yanxatech System Industries Limited (YANXA) engineers state-of-the-art photoluminescent, thermoluminescent, and inorganic glow pigments tailored for rigorous industrial integration. Photoluminescence in solid-state chemistry operates via the absorption of photon energy (typically within the ultraviolet and visible spectra, 200 nm to 450 nm) and its subsequent slow re-emission as visible light over extended temporal horizons. Modern industrial standards have shifted away from legacy Zinc Sulfide (ZnS:Cu) matrices toward hyper-efficient Europium-Dypsrosium co-doped Strontium Aluminate ($SrAl_2O_4:Eu^{2+}, Dy^{3+}$) and Alkaline Earth Silicate crystalline lattices.
Understanding the quantum mechanism behind photoluminescent persistence is vital for selecting the optimal pigment grade for high-temperature plastic compounding, outdoor architectural safety coatings, and electronic ink formulations.
Doped with divalent Europium ($Eu^{2+}$) as the luminescent activator and Dysprosium ($Dy^{3+}$) as the electron trap co-dopant, our flagship Strontium Aluminate pigments deliver 10x to 20x greater luminance intensity and persistence duration compared to traditional ZnS formulations. $Eu^{2+}$ ions undergo $4f^7 \rightarrow 4f^6 5d^1$ transitions, while $Dy^{3+}$ creates deep energy traps that slowly release thermalized electrons back into the conduction band over 12+ hours.
Unmodified aluminate phosphors react with moisture to form inactive aluminum hydroxide, destroying photoluminescence. YANXA utilizes a proprietary chemical vapor deposition (CVD) process to coat individual phosphor particles with a nanoscale, dense hydrophobic silane/silica shell. This allows seamless dispersion into water-based acrylic paints, latex emulsions, and high-moisture outdoor polyurethanes without degradation.
Luminescence brightness directly scales with crystal size. YANXA offers tightly controlled PSD profiles ranging from ultra-fine micronized powders (D50 < 5 µm for screen printing inks and continuous filament yarns) up to coarse granules (D50 = 50–85 µm) designed for maximum initial photometric brightness in heavy-duty terrazzo flooring and epoxy resin castings.
| Chemical Matrix Type | Dominant Emission Peak | Excitation Spectrum | Luminance Persistence (to 0.32 mcd/m²) | Thermal Stability | Moisture Resistance |
|---|---|---|---|---|---|
| $SrAl_2O_4 : Eu^{2+}, Dy^{3+}$ | Yellow-Green (520 nm) | 200 nm – 450 nm (UV / Daylight) | > 15 Hours (Class C / D) | Up to 800 °C | High (Coated Grade) |
| $Sr4Al_{14}O_{25} : Eu^{2+}, Dy^{3+}$ | Aqua / Blue-Green (490 nm) | 220 nm – 430 nm | > 18 Hours (Class D / E) | Up to 900 °C | High (Coated Grade) |
| $CaAl_2O_4 : Eu^{2+}, Nd^{3+}$ | Deep Violet-Blue (440 nm) | 250 nm – 400 nm (UV Rich) | > 8 Hours (Class B) | Up to 750 °C | Moderate / Requires Shell |
| Legacy Zinc Sulfide ($ZnS : Cu$) | Bright Green (530 nm) | 300 nm – 400 nm | 1 to 2 Hours Max | Decomposes > 300 °C | Low (Prone to Blackening) |
Our high-purity luminescent materials empower original equipment manufacturers (OEMs), chemical compounders, and tier-1 industrial suppliers to meet rigorous international safety standard compliance and high-value aesthetic requirements.
Compliance with DIN 67510, ISO 15370, and IMO Resolution A.752(18) demands low-location lighting (LLL) that operates without electrical wiring. YANXA's photoluminescent powders are compounded into PVC, aluminum egress signage, non-slip stair nosings, and maritime evacuation pathways, offering instant visibility during total blackout conditions.
Modern electric vehicles (EVs) utilize photoluminescent masterbatches within interior dashboard trim, door switch surrounds, and trunk emergency release handles. By eliminating dedicated LED wiring harnesses in non-critical zones, automotive engineers reduce vehicle curb weight while optimizing low-light cabin aesthetics.
Municipalities globally deploy our weather-resistant hydrophobic phosphors into thermoplastic road paint, bike path aggregates, and concrete sealers. Solar energy absorbed during daylight hours charges the pavement matrix, delivering clear lane delineation throughout the night without electrical grid reliance.
Utilizing micro-sized particle distributions (D50 < 3–5 µm), synthetic fiber manufacturers melt-spin glow-in-the-dark PET, Nylon, and Polypropylene yarns for high-visibility industrial workwear, athletic outerwear, and tactical rescue equipment without nozzle clogging during extrusion.
For anti-counterfeiting security inks, bank-note verification, and supply chain tracking, YANXA synthesizes short-wave infrared (SWIR) upconversion phosphors and narrow-band UV-excited fluorescent powders that remain invisible under ambient light but emit precise narrow-band optical signatures when excited by specific laser wavelengths.
Engineered to withstand shear heat and processing temperatures up to 800°C, YANXA phosphors integrate seamlessly with PP, PE, ABS, PC, and Silicone. We provide guidelines on dispersant selection (e.g., zinc stearate, paraffin oil) to prevent particle shear degradation during twin-screw compounding.
Operating since 2008, Yanxatech System Industries Limited (YANXA) has scaled from a fledgling specialized enterprise into an international B2B benchmark for advanced inorganic chemistry and specialty materials execution.
Our manufacturing facilities feature multi-zone high-temperature continuous tunnel kilns utilizing controlled reducing atmospheres ($H_2 / N_2$ mixtures). This guarantees absolute reduction of Europium to its active divalent state ($Eu^{2+}$) within the host aluminate crystal structure, preventing batch-to-batch variation in quantum efficiency.
Every single export batch undergoes rigorous characterization under international test standard ISO 17025 accredited procedures. We deliver complete transparent analytical verification prior to dispatch.
Navigating international chemical trade demands complete compliance with health, safety, and environmental protection frameworks. YANXA ensures all photoluminescent powders and specialty chemical shipments comply fully with destination market regulations.
100% free of SVHC (Substances of Very High Concern), lead, cadmium, mercury, hexavalent chromium, and radioactive isotopes (Radium, Tritium, Promethium free).
Full 16-section Safety Data Sheets (SDS), Certificates of Analysis (COA), and Certificates of Origin (COO) supplied with every order.
Heavy-duty fiber drums with dual anti-static aluminum foil vacuum liners to eliminate moisture infiltration during long-haul ocean transit.
YANXA provides scalable commercial contracts engineered for high-volume chemical formulators, masterbatch manufacturers, and government contractors.
*Contact our global sales engineering desk for technical datasheets, custom grinding specs, and sample requests.
Yanxatech System Industries Limited (hereinafter referred to as YANXA) is one of the premier growing suppliers in the field of specialty materials in China. Starting from a fledgling small business unit in 2008, YANXA is driven with the passion of developing a broad international market in areas relating to chemical and mechanical industries. Thanks to our team's enduring and persistent work and our business partners' long-lasting support, YANXA has steadily and vigorously grown into an enterprise with excellence in delivering products and services relating to specialty chemicals.
Quality, safety, and efficiency prevail over all values in our business. We care about what our customers need for general product lines as well as their unique, specific requirements for newly developed applications in a timely manner. We adhere strictly to technical requirements and ensure delivery in perfect conformity.
Chemical business operations demand rigorous safety standards compared to other industrial sectors. We undertake all activities involving chemicals in a safe manner to ensure the protection of human health and the environment while maintaining strict ISO9001 quality management standard compliance.
Cooperating with leading manufacturers and renowned research institutes in China, YANXA specializes in three primary chemical domains:
Colorless liquid, easily polymerized, soluble in water, alcohol, and ether. Rapidly oxidized to formic acid in air. Supplied commercially as Formalin (37–50% solution with methanol stabilizer). Boiling Point: 96°C, Flash Point: 55°C.
CAS No.: 100-97-0 | Molecular Formula: $C_6H_{12}N_4$. White crystalline powder produced by condensation of formaldehyde and ammonia. Essential intermediate in phenolic resin curing, rubber vulcanization, and organic synthesis.
White powdery solid linear polymer of formaldehyde with high reactivity. Assayed at $\ge 96\%$ content with formic acid $\le 0.05\%$, pH 5–7. Dissolution rate $\le 40$ minutes in industrial synthesis.
High-sphericity alloyed powder engineered via inert gas atomization. Superior flowability, low oxygen content, and precise particle size cuts optimized for additive manufacturing and energetic pyrotechnic formulations.
Ultra-high purity electronic grade halogenated gas widely utilized in semiconductor plasma etching, microelectronics fabrication, and low-temperature refrigerant formulations.
High-purity inorganic phosphate compound serving as an anti-caking agent, ceramic precursor, and stabilizer in polymer processing applications.
Clear technical and commercial answers regarding photoluminescent powder selection, processing parameters, and international order fulfillment.
Strontium Aluminate ($SrAl_2O_4:Eu,Dy$) pigments deliver approximately 10 times higher initial brightness and up to 20 times longer persistent afterglow duration compared to traditional Zinc Sulfide ($ZnS:Cu$) phosphors. Furthermore, Strontium Aluminate exhibits vastly superior thermal stability (resisting temperatures up to 800°C) and UV degradation resistance, whereas Zinc Sulfide turns black under prolonged outdoor UV exposure and degrades rapidly above 300°C.
Uncoated strontium aluminate powders undergo hydrolysis when exposed to water, reacting to form aluminum hydroxide and losing their photoluminescent properties within hours. YANXA’s water-resistant coated series applies a nanoscale silica/silane micro-encapsulation barrier over each particle, making them 100% stable in water-borne paints, acrylic latex emulsions, and high-humidity outdoor applications.
For plastic injection molding (PP, PE, ABS, PC), typical addition rates range from 3% to 10% by weight depending on the desired luminance intensity and part thickness. In solvent or water-based paints and resin castings, loading ratios generally range from 15% to 30% by weight. Using clear, highly transparent resin matrices maximizes photon excitation efficiency and light emission.
Our prices are subject to change depending on rare-earth raw material supply trends and market dynamics. We require standard international orders to maintain an ongoing Minimum Order Quantity (typically 25 kg per fiber drum for standard grades). Volume discounts apply for full container load (FCL) orders. Contact our technical sales desk for an updated custom pricelist.
Yes, we provide full quality and export documentation including Certificates of Analysis (COA) for every lot, Certificates of Conformance (COC), ISO 9001:2015 certification proof, REACH/RoHS SVHC non-use declarations, GHS-compliant Safety Data Sheets (SDS), and Certificates of Origin (COO) for preferential customs clearing.
Sample evaluation orders are typically processed and dispatched within 7 business days. For mass production orders, standard factory lead time is 20–30 days following receipt of deposit payment. We accept standard B2B wire transfers (T/T with 30% advance deposit, 70% balance against B/L copy) as well as Irrevocable Letters of Credit (L/C at sight).
We strictly enforce export-compliant, heavy-duty packaging standards. For dangerous goods or moisture-sensitive chemicals, we deploy UN-certified specialized hazardous packaging, sealed steel drums, and validated cold storage shipper containers where required to guarantee zero damage or contamination during maritime or air freight shipment.
Review our full range of high-purity rare gases, electronic-grade fluorine compounds, and specialized spherical alloy powders produced under ISO 9001 certified manufacturing controls.
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