GOST 5494-71
Main properties
The aluminum particles in the powder have lamellar shape and covered with a thin oxide and fat film. The powder is a product colored silver-gray containing no foreign impurities, which are visible with the naked eye. The bulk density of the powder is about 0.15-0.30 g/cm3, active aluminum content: 85-93%. The average thickness of the plates is approximately 0.25-0.50 μm, while the average linear dimension is 20-30 μm. The bulk density of the powder, active aluminum content and average particle size are not subject to regulations.
Sphere of application
The pigmental aluminum powder is produced as per GOST 5494 in two grades: PAP-1 and PAP-2. It is used as multipurpose aluminum pigments in the composition of light-reflecting, corrosion-protective, heat-resistant, decorative and other paints, enamels, varnishes and fillings; for production of cellular concretes, etc.
Specifications
The specifications shall comply with the requirements of GOST 5494. By agreement with the consumer, it is allowed to deliver the products with the properties different from those specified by the standard.