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Sell Expansive Cement Similar To Denka Csa #20

Posted at: Offers to Sell and Export | Posted on: Tue 11 May, 2010 6:49 am |
expansive cement similar denka csa 20
Products Photos CatalogExpansive Cement Photos Catalog

High-efficiency CSA Expansive Agent is obtained by blending suitable natural anhydrite with a specially

manufactured clinker which consists essentially of calcium sulphoaluminate and CaO. High-efficiency CSA expansive agent is always mixed with ordinary cement. When mixed in the proper proportions with ordinary cement and hydrated, cement mortar or concrete expands during the early stages of hydration. This expansion, when restrained, makes it possible to minimize drying shrinkage. Moreover, when the ratio of High-efficiency CSA Expansive Agent to ordinary cement is increased its high expansion qualities make it ideal for use in prestressed concrete

High-efficiency CSA Expansive Agent is being used in all sections of the construction fields and by a wide variety of concrete products manufacturers.

High-efficiency CSA Expansive Agent is manufactured under a strict quality assurance systems GB/T 19001-2000(i.e. ISO9001:2000) and GB/T 24001-1996(i.e. ISO 14001-1996) which accommodates the technical requirements of building chemistry formulators

The properties of High-efficiency CSA Expansive Agent conform to the standards of the manufacturer and to the Chinese relevant standards.

1.Low alkalinity. High-efficiency CSA Expansive Agent has a very low alkali content (R2O<0.3%) which is beneficial to avoid AAR in concrete.

2.Short stable stage of expansion. The stable stage of expansion is not more than 14 days, thus the ultimate strength of concrete is not affected.

3.Low dosage and high expansion capacity. The normal dosage of High-efficiency CSA Expansive Agent is 6~8% by the weight of ordinary cement, which is lower compared with other expansive additives such as UEA and CEA (their dosages are about 10~12% by the weight of cement) in the market.

Features by using it

1.Prevents cracking due to drying shrinkage and hydration heats;

2.Increases the water tightness of concrete and thus is useful for waterproofing buildings;

3.Enables the manufacture of high strength concrete products through chemical prestressing.

Main constituents (%)











Usual range











Mineral Composition: CaO, CaSO4, 3CaO.3Al2O3 .CaSO4

Specific Surface Area: 200~400m2/kg

Specific Gravity: 2.8~3.0

The restrained expansion rate tested under standard condition:

Dosage of High-efficiency CSA Expansive Agent to Ordinary Portland Cement%

Restrained-expansion rate (%)


Curing in water for 7 days

Curing in water fr 28 days

Curing in air, constant humidity for 21 days




Company Contact:

No member photo
Contact Name: Simon Mu
Company Name: Tangshan Polar Bear Building Materials Co., Ltd
Email: Email
Tel: 0086 15010360309 or 86-010-51397691
Fax: 0086 10 60557307
Street Address: Bldg 1 Commercial Mall,
Li Yuan Village, Li Yuan, Tongzhou Dist.,
Beijing, China
Website: http://www.tspolarbear.com
Member name: tspolarbear
Country: China-CN China
Member Since: 22 April 2010
Total Leads: 6 tspolarbear Import Export Business Leads
Business focus: Csa Cement, Csa Expansive Agent (denka Csa), Dry Mortar, Self Leveling
Verify: Safe Import Export Tips

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