Aluminum Oxide Std A25 - China

Product Benefits

STD-A25 portfolio offers a wide range of refractory agglomerated super-calcined (RASC) bauxite, which has been calcined at 1650 °C to a high-density aluminum oxide.

The main constituent is the mineral corundum.

Quality assurance: Standardized quality guaranteed through ISO 9001 certified quality management.

Process control: Raw materials and production are closely monitored to ensure consistent chemical composition and grain size.

Applications: Used as a raw material for welding fluxes, in refractories, and in slip- and wear-resistant floorings.

Granulometric Data & Physical Characteristics

Mean values.

These do not represent a specification.

Property Value (A25) Unit Method

+25 micron 3.0 % Alpine air jet

D50 8.5 μm Laser diffraction

D97 30 μm Laser diffraction

Moisture 0.1 % Halogen moisture analyser @ 105 °C

Oil absorption 13 g/100 g ISO 787/5

pH 7.9 / ISO 787/9

Density 3.8 g/cm³ He-pyknometer

Loose apparent density 0.3 g/cm³ ISO 787/11

Chemical Analysis (XRF)

Mean values.

These do not represent a specification.

Parameter Result Dimension Method

Al₂O₃ 88.8 %(m/m) XRF

SiO₂ 6.0 %(m/m) XRF

Fe₂O₃ 1.8 %(m/m) XRF

TiO 3.4 %(m/m) XRF

Na₂O 0.0 %(m/m) XRF

K₂O 0.2 %(m/m) XRF

MgO 0.0 %(m/m) XRF

CaO 0.0 %(m/m) XRF

P₂O₅ 0.07 %(m/m) XRF

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20+ years of chemical manufacturing & export experience, a partner you can trust.

Company Contact:

• Posted By: Standard International Group (HK) Limited

• Phone: +86-21-64208466-808

• Address: Floor 2, #47 Building, 280 Jiugan Road, Songjiang district, Shanghai, China, Shanghai , Shanghai , China

• Email:

• Website: https://moutainchem.com/

• Business Description: Standard International Group (HK) Limited was founded in 2003 - Over years, Standard Group has established long-term strategic cooperative relations with many well-known industrial chemical manufacturers, such as Sherwin-Williams, LANXESS, Evonik, Covestro, Elementis and so on, thus ensuring that customers can receive consistent high-quality services.
  
  Years of professional accumulation make us not only provide high-quality industrial coating additives, but also medicine Pharmaceutical Intermediates and electronic chemistry.
  
  From the painting plant laboratory first sample testing, middle-testing and final-testing, we adhere to the professional, sincere, enthusiastic and efficient service concept, our technical team always adjust the sample during different testing process until it performs perfect chemical reaction at customer’s paints.