Iron Oxide Yellow

Molecular formula: Fe2O3·H2O

Molecular weight: 177.71

CAS No.：51274-00-1

Physical property:

1. The color is a powder from lemon yellow to brown, with a relative density of 2.44-3.60; Melting point 350-400 ℃, insoluble in water and alcohol, soluble in acid;    

2. Due to different production methods and operating conditions, the degree of hydration is different, and the crystal structure and physical properties are very different;

3. Good coloring power, covering power, light resistance, acid resistance, alkali resistance and heat resistance;

4. Crystal water is decomposed above 150 ℃ and turned into red;

5. Inhalation of dust will cause pneumoconiosis. The maximum allowable concentration in the air is 5mg / m2

Purpose:

1. Iron oxide yellow is widely used in artificial marble wall decoration, cement floor, culture and education industry, watercolor, oil paint and leather finishing agent.

2. Iron oxide yellow pigment is directly mixed into cement as pigment or colorant in all kinds of concrete precast parts and building products. Various indoor and outdoor colored concrete surfaces, such as walls, floors, ceilings, pillars, porches, roads, parking lots, stairs, stations, etc; Various building ceramics and glazed ceramics, such as face tiles, floor tiles, roof tiles, panels, terrazzo, mosaic tiles, artificial marble, etc.

3. Iron oxide yellow pigment is suitable for coloring and protective substances of various coatings, including water-based interior and exterior wall coatings, powder coatings, etc; It can also be applied to oily paints, including oxygen, alkyd, amino and other primers and topcoats; It can also be used for toy paint, decorative paint, furniture paint, electrophoretic paint and enamel paint.