Explore our foundational range of performance chemicals, premium metallic alloys, and specialty polymers.
Yanxatech System Industries Limited (hereinafter referred to as YANXA) is a premier developer and supplier of high-precision chemical formulations and metal alloy powders. Founded as a focused specialty business unit in 2008, YANXA has expanded into a global partner for military, aerospace, pyrotechnics, and metallurgical applications.
We work closely with China's leading research institutes and key manufacturing centers to maintain a robust, reliable logistics and manufacturing supply chain for international industrial buyers.
Our core metallurgical and chemical capacity leverages partnerships with leading domestic research institutions to produce:
Black Aluminium Powder (often referred to within metallurgical and military contexts as dark pyro aluminum or dark flake aluminum powder) is a highly specialized grade of aluminum powder characterized by its extremely fine particle size, structural flake morphology, and dark-grey to charcoal-black color. This distinct coloration is caused by controlled carbon and oxygen inclusions or deliberate surface passivations that prevent spontaneous ignition while preserving high reactivity under targeted thermal triggers.
In the modern global industrial landscape, Black Aluminium Powder is categorized as a critical material with applications spanning aerospace propulsion, high-performance pyrotechnics, civilian mining blasting, defense ordinance, and thermodynamic reduction formulas. China is currently the world's leading manufacturer of high-purity aluminum precursor powders. Chinese factories operate under strict oversight to produce fine, super-fine, and flake-configured materials with consistent particle size distribution (PSD) and active metal content exceeding 90%.
The supply chain for dark aluminum powder relies heavily on state-of-the-art wet-ball-milling procedures using specialized process lubricants (such as stearic acid or paraffin variants) and inert gas blankets to control flake dimensions down to the sub-micron scale. YANXA acts as an essential supply partner, working alongside primary chemical plants and regulatory authorities to ensure all packaging, stability parameters, and documentation comply with stringent international standards for maritime and rail transportation of hazardous materials (UN Class 4.1/4.3 solid materials).
Utilized as a high-velocity propellant additive and reactive combustion agent. The flake shape maximizes surface contact, creating rapid heat-release rates.
Integrated into specialized conductive pastes and thermal interface matrices to provide functional conductivity alongside unique structural pigmentation.
Formulated into specific ordnance compositions where precise ignition velocity, dense thermal output, and micro-particle dispersion are required.
Three primary macro-trends are shaping the black aluminum powder industry:
Verified physical data and chemical attributes of our core product exports.
Overview: Formaldehyde is a highly volatile, colorless liquid intermediate that polymerizes readily in air unless stabilized. In industrial configurations, YANXA supplies formaldehyde as formalin (typically a 37% to 50% concentration) with specified amounts of methanol added as a crystallization inhibitor.
| Parameter | Value / Range |
|---|---|
| Boiling Point | 96°C (Formalin) / -19°C (Pure Gas) |
| Specific Gravity | 0.815 at -20°C |
| Flash Point | 55°C (Stabilized Liquid) |
| Concentration Options | 37% - 50% Formalin Solution |
Overview: Hexamine (HMTA) is a crystalline heterocyclic compound produced from formaldehyde and ammonia. It functions as a curing agent in phenolic resins, an ignition accelerator in solid-fuel pellets, and a chemical intermediate in rubber compounding.
| Parameter | Value / Range |
|---|---|
| CAS Number | 100-97-0 |
| Molecular Formula | C₆H₁₂N₄ |
| Molecular Weight | 140.19 g/mol |
| Appearance | Fine White Crystalline Powder |
Overview: A premium, solid linear polymer of formaldehyde with a characteristic pungent odor. Used as an efficient, low-water substitute for aqueous formaldehyde solutions in synthesis processes requiring precise moisture control.
| Specification Item | High Grade (≥96%) | Standard Grade (≥92%) |
|---|---|---|
| Active Content | ≥96.0% | ≥92.0% |
| Solubility Rate | ≤40 minutes | ≤40 minutes |
| Formic Acid Content | ≤0.05% | ≤0.05% |
| pH Range | 5.0 - 7.0 | 5.0 - 7.0 |
Overview: Produced via high-pressure inert-gas atomization, this alloy powder combines the high reactivity of magnesium with the thermal stability of aluminum. The spherical morphology ensures optimal flow characteristics and high packing density.
| Parameter | Value / Range |
|---|---|
| Production Technology | Inert Gas Atomization (Argon/Nitrogen) |
| Morphology | Highly Spherical, Smooth Particle Surface |
| Al-Mg Ratio | Customizable (Standard: 50:50 / 60:40) |
| Key Application | Aerospace Propellant, Pyrotechnics, Metallurgy |
As advanced materials engineering demands higher energy densities and stricter safety thresholds, YANXA's technical roadmap centers on the integration of nano-structural coatings and hybrid metal-matrix composites.
Traditional dark aluminum powders rely on fatty acid coatings, which can break down under high humidity or temperature. Our R&D division, in collaboration with national chemical laboratories, is developing molecular-thick silicate and polymer passivation layers. These layers remain inert during processing but dissolve instantly at ignition temperatures, ensuring safe handling without compromising reaction speed.
To optimize packing density in aerospace propellants and thermite composites, we are establishing automated blending lines. These systems combine sub-micron dark aluminum flake structures with atomized spherical aluminum-magnesium alloys. This optimization reduces empty volume and increases energy output per unit area.
We are actively transitioning our primary wet-milling lines to use recyclable, zero-VOC solvent bases. This reduces the carbon footprint of our operations while ensuring our products comply with European REACH regulations and other strict global chemical import standards.
Technical information and commercial terms to assist your procurement process.
Our pricing structure varies based on current raw material costs (aluminum ingot indices, feedstocks), batch sizes, and custom packaging or passivation requirements. Contact our sales department with your specifications for a formal quote.
Yes, we require ongoing MOQs for international orders to optimize shipping costs and safety protocols. Smaller evaluation samples can be coordinated through our sales team prior to contract finalization.
Absolutely. We provide comprehensive safety documentation, including Certificates of Analysis (COA), Certificates of Conformance (COC), Safety Data Sheets (SDS) compliant with GHS, and specialized export permits for military-grade or dual-use chemical products.
Evaluation samples are typically dispatched within 7 days. For large-scale manufacturing runs, standard production times are 20 to 30 days following deposit confirmation and technical sign-off.
Standard transaction terms are 30% advance deposit via T/T, with the remaining 75% balance payable upon submission of the Bill of Lading (B/L) copy, or via irrevocable L/C at sight.
We warrant our materials to meet the exact specification parameters agreed upon in the technical contract. Our customer support team is available to resolve any quality queries or handling challenges post-delivery.
Yes. All materials are packaged using robust, certified containers suited for hazardous goods transportation. We coordinate closely with specialized logistics companies to ensure safety throughout the supply chain.
Explore our secondary catalog of functional compounds, liquid rubbers, and industrial gases.