Lead-acid battery manufacturing
Glass solders and sealing materials
Ceramic capacitors
Optoelectronic and electronic functional materials
In the manufacturing process of lead-acid batteries, Electronic Grade Red Lead plays an irreplaceable role:
Effectively shortens plate curing time
Significantly improves curing consistency and quality stability
Shortens the formation cycle and improves production efficiency
Improves initial battery capacity and cycle performance
These advantages make Electronic Grade Red Lead highly suitable for applications with increasingly demanding battery performance requirements, such as new energy storage systems, electric vehicles, and backup power supplies.
With the upgrading of the global electronics and new energy industries, the international market's quality standards for Electronic Grade Red Lead continue to rise. Current mainstream export products need to meet the following key indicators:
Main Technical Indicator Requirements (International Mainstream Level)
Lead tetroxide (Pb₃O₄) content: ≥97.2%
Metallic lead (Pb) content: ≤0.05%
Iron oxide (Fe₂O₃) content: ≤0.002%
Copper oxide (CuO) content: ≤0.002%
The above indicators are significantly higher than traditional industrial-grade red lead standards, placing higher demands on raw material control, process stability, and testing capabilities.
Impurity Control and Particle Size Optimization Become Core Competencies
In the global electronic-grade red lead supply system, Chinese enterprises have achieved several key breakthroughs through continuous technological innovation:
Refined impurity control technology
More uniform and controllable particle size distribution
Stable batch consistency
Traditional Electronic Grade Red Lead production is highly dependent on virgin lead resources, resulting in high energy consumption and significant environmental pressure. In recent years, the industry has been accelerating its transformation towards green manufacturing and a circular economy:
Recycling of waste lead-acid battery paste
Desulfurization treatment
Acid leaching and purification
Rare earth co-precipitation
Low-temperature calcination process
Through the above processes, not only can waste lead paste be converted into high-purity electronic-grade red lead oxide, but the environmental pollution risks associated with traditional pyrometallurgical smelting are also significantly reduced.
Driven by the dual forces of "purity upgrading + environmental protection empowerment"
Industry analysts generally believe that the electronic-grade red lead market will exhibit the following development trends:
Continued growth in demand for higher purity products
5N (99.999%) and higher grade red lead will gradually enter:
Semiconductor materials
Aerospace
High-end electronic functional materials fields
At the same time, green manufacturing capabilities will become an important threshold for entering high-end international markets.
Rongsheng, a professional China Manufacturer and Supplier of Electronic Grade Red Lead, provides high-purity lead oxide (Pb₃O₄) with consistent quality for industrial applications. As a leading Factory specializing in lead oxide production, we offer reliable products backed by over two decades of industry experience, advanced manufacturing equipment, and strict quality control systems. Our Electronic Grade Red Lead is widely used in lead-acid battery manufacturing, piezoelectric ceramics, and crystal glass industries, with customizable specifications to meet diverse customer requirements.
| Parameter | Value | Test Method |
|---|---|---|
| Chemical Name | Lead Tetraoxide (Trilead Tetraoxide) | GB/T 3677-2009 |
| CAS Number | 1314-41-6 | - |
| Formula | Pb₃O₄ | - |
| Appearance | Bright Red Powder | Visual Inspection |
| Purity (Pb₃O₄) | ≥97.0% | Titration |
| Iron Oxide (Fe₂O₃) | ≤0.003% | Spectrophotometry |
| Copper Oxide (CuO) | ≤0.002% | Spectrophotometry |
| Moisture Content | ≤0.2% | Gravimetric Method |
| Nitric Acid Insoluble Matter | ≤0.1% | Filtration Method |
| Average Particle Size | 2-10μm | Laser Diffraction |
| Bulk Density | 1.2-1.5 g/cm³ | Volumetric Method |
| pH Value (10% Suspension) | 8.0-9.5 | pH Meter |
Lead-Acid Battery Industry: Key component in positive lead pastes, forming active material for positive plates to enhance battery performance and lifespan
Piezoelectric Ceramics: Used in manufacturing piezoelectric devices for sensors, actuators, and transducers requiring high dielectric properties
Crystal Glass & Lead Glass: Essential raw material for producing high-refractive-index glass, optical lenses, and decorative crystal products
Other Applications: Pigment production, electronic components, and specialized chemical synthesis processes
| Packaging Type | Specifications |
|---|---|
| Standard Pack | 25kg net weight in plastic film bag + woven bag |
| Bulk Pack | 1000kg net weight in double-layer coated bulk bag |
| Custom Pack | Available as per customer requirements |