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99.999% Ultra High Purity Alumina Powder
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Product Introduction:
● 99.999% high purity alumina for sapphire growth
● ultra low impurity
● uniform particle size for LED sapphire substrate manufacturing
Premium High Purity Alumina Powder for Sapphire Crystal & Substrate Production
Specially engineered for sapphire crystal growth and sapphire substrate manufacturing,
our sapphire-grade high purity alumina features
ultra-low trace impurities and exceptional chemical uniformity.
It eliminates lattice defects and color deviation in sapphire ingots, delivering
high consistency for mass production of high-transmittance
LED sapphire substrates and optical sapphire components.
- Sapphire-Grade Ultra-Low Impurity
- High Temperature Adaptability for Crystal Growth
- Strict Sapphire Industry Quality Standard
- Stable Mass Supply for Sapphire Factory Production
| Item | Specification |
| Product Name | 99.999% High Purity Alumina for Sapphire Growth |
| Purity Grade | 99.999% |
| Particle Size | 20~30 μm |
| Key Properties | Ultra-Low Impurity, High Thermal Stability, Uniform Dispersion, No Lattice Defect |
| Certification | ISO9001;ISO14001;ISO45001;REACH;RoHS;Third-Party Impurity Test Report |
| Core Application | Sapphire Crystal Growth, LED Sapphire Substrate, Optical Sapphire Components, Semiconductor Sapphire Window |
| Customization Service | Purity Grade, Particle Size, Process-Specific Formula, Packaging Customization |
| Supply Capacity | 1500Tons/Month |
| Sample Service | Free sample provided; Shipping fee charged. |
Our sapphire-grade high purity alumina is a dedicated core raw material for sapphire industrial manufacturing,
mainly applied in sapphire crystal growth and LED sapphire substrate production. It widely used in LED lighting
sapphire substrates, optical communication sapphire windows, semiconductor protective sapphire components
and consumer electronics sapphire cover plates. Tailored for the high-standard requirements of sapphire materials
on impurity control and crystal uniformity, it is the preferred raw material for medium and high-end sapphire
manufacturing enterprises, supporting sample testing, pilot production and large-scale bulk procurement.
With years of professional R&D and production experience in sapphire-dedicated high purity alumina,
we have built exclusive production and quality control systems for sapphire-grade HPA. We strictly
control harmful trace impurities that affect sapphire crystal quality, ensuring ultra-high batch stability
and consistency. We provide professional technical matching services for different sapphire production
processes, support free sample verification, third-party impurity detection and factory inspection. Our
stable bulk supply capacity and professional after-sales technical guidance help global sapphire manufacturers
stabilize product quality, reduce defective rate and lower comprehensive production costs.
Welcome to inquire for free sapphire-grade HPA samples, professional technical parameter sheet,
customized process solution and latest bulk factory price. Our technical team provides one-stop
matching service for sapphire production, 24/7 online support for your pilot test and long-term bulk cooperation!
Send email to sales@cnrbst.com.
High purity alumina
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Email：sales@cnrbst.com
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