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Construction Grade Iron Oxide Black 740 4318 4330 - China

price: contact company for price

General Information
Product Name: Iron Oxide Black 740, 4318, 4330
Chemical Formula Fe3O4
Type: Black Pigment
Delivery Form: Powder
Color Index: Pigment Black 11 (77499)
CAS No.: 1317-61-9
EC No.: 215-277-5
widely used in construction material, like cement bricks and blocks, pavements, asphalt road and roof, masonry, tiles, stuccoes etc.. Color Value and Tinting Strength Unit Specification Test Method
Mass Tone DEabL ≤1.0 ISO787-1
Tint Tone DEabL ≤0.8 ISO787-16
Relative tinting strength % 95-105 ISO787-16
widely used in construction material, like cement bricks and blocks, pavements, asphalt road and roof, masonry, tiles, stuccoes etc.. Technical Data Unit Specification Test Method
Fe3O4 Content % ≥90.0 ISO1248
Matter Volatile at 105℃ % ≤1.0 ISO787-2
Water Soluble Salts % ≤0.5 ISO787-3
Residue on 45mm Mesh % ≤0.5 ISO787-7
PH Value 5-8 ISO787-9
Oil Absorption g/100g 15-25 ISO787-5
Density g/cm3 4.8 ISO787-10
Tamped Density g/cm3 1.0 ISO787-11
Particle Shape Spherical Electron Micrographs
widely used in construction material, like cement bricks and blocks, pavements, asphalt road and roof, masonry, tiles, stuccoes etc.. Standard Package 25kg/bag 50lb/bag 1mt/bag Then shrink wrap with plastic film on pallets.


Company Contact:


  • Phone: 86-572-8472287

  • Address: 688 Zhenxing Road Deqing Economic Development Zone Zhejiang Province China 313200, Deqing Huzhou, Zhejiang, China

  • Email: Email


Published date: May 30, 2018 -

  • Business Description: Deqing Color Pigments Co., Ltd, headquartered in Deqing County of Zhejiang Province, in the center of the Yangtze River delta, China’s most developed economic area, is an integrated enterprise specialized in production, R & D and sales of iron oxide pigment. In recent years due to environment protection tightened by the government in this area, the company has focused on long-term planning and development. Since new environment protection law implemented in 2013, the company gradually transferred the production base to northern China, eliminating outdated production equipment and capacity in accordance with the highest environment protection requirements, building a new production base in Xinxiang City Henan Province in three years, successful completing the transformation and upgrading of the enterprise. At present the company has an annual output of 45000 tons of iron oxide pigment, including two series, the construction series and the high performance series, which are widely used as the colorant in the industries of building materials, paint, coating, rubber, plastics, mulch, paper, dispersion etc.

    Deqing Color Pigments Co., Ltd. has consistently adhered to the ISO9001 quality management system and ISO14001 environment management system, and provides our customers with high quality, stable and consistent products. Since its inception, the company has always adhered to the concept of "industry leading, pursuit of excellence, service in sincerity, honesty, and innovation ", following the trends of transformation and upgrading of China's economic development, under the new environment protection requirements, using modern technology and equipment to improve the production of iron oxide pigment, completing the continuous production and low emissions of iron oxide pigment, attaining the requirements of emission reduction and energy-saving, achieving the sustainable development of the enterprise.

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