Oreworld Trade(Tangshan) Co., Ltd.
Hebei, China
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Product Description
Company Info
Product Description
expansive additive description:
The expansive additive is obtained by blending natural anhydrite with clinker powder which consists of calcium sulfoaluminate and CaO. This expansive additive is always mixed with ordinary cement. When mixed in the proper proportion with ordinary cement and hydrated, cement mortar or concrete expands during the early stages of hydration. It is developed to reduce and compensate the hydraulic shrinkage of cement based construction expansive concrete. Its performance is similar to Denka #20, which is now widely used in the formulation of different mortars in Europe countries.
We offer two types of these expansive additives, the main specifications are according to JC476-2001
expansive additive performance:
(1) As making shrinkage compensated expansive concrete, if the ratio of reinforcement is 0.2%-1.0%, the limited expansive rate will be in the range of 0.02-0.04%, and a prestress of 0.2-0.7Mpa exists in the concrete.
(2) Comparing with the concrete without Expansive Additive, in the condition of defined mixing amount, the free strength of the expansive concrete with Expansive Additive is roughly equal to that of concrete without Expansive Additive. The limited strength is 10~15% higher than free strength.
(3) The impermeability grade of mortar and expansive concrete can reach over S30. The elastic ratio closes to that of common concrete.
(4) Anti freezing: D150.
(5) Sulphate resistance of concrete is increased. No pollution to water.
expansive additive application:
(1) For structural self-waterproofing construction. Effectively preventing cracking or leakage of concrete.
(2) To extend the space length of post casting zone of cast-in-place overlength structure.
(3) To control the crack producing result of temperature difference in large sized structural concrete.
(4) For rigid roofing.
(5) Making non-shrinkage cements.
expansive additive packing:
By 50kgs bags or jumbo bags.
expansive additive Storage:
Store in dry place, guard against damp. Warranty period: 1 year.
For more information about what is cement, please feel free to contact us!
There are many calcium sulfoaluminate cement suppliers, but we are one of the best choices for you.
Address:
Jinrong B/D No. 116 Xinhua West Road, Tangshan, Hebei, China
Business Type:
Manufacturer/Factory
Business Range:
Construction & Decoration
Main Products:
CSA-Cement
Company Introduction:
Based on years of research and practice, on July 9, 2001 formally incorporated Oreworld Trade (Tangshan) Co., Ltd., the company's development direction was determined as non-metallic mineral products and their products in international trade business. Our main Non-metallic mineral products are Silicate products. They are Specil cement, refractory and insulation materials, steel-making auxiliary materials and so on. Over 20 years, we keep a high standard to select our partners. And establish long-term stable cooperative relations with different manufacturers for different products. Some products rank in the front of Chinese export quantity because of their stable quality and competitive prices.
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