Low dosage crack repiar CSA expansive agent

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Selling leads
Low dosage crack repiar CSA expansive agent
Posting date : Aug 16, 2016
Membership
Free Member Scince Aug 15, 2016
FOB Price
usd 230 per ton
Min. Order Quantity
20metric ton
Supply Abillity
5000 metric tons per month
Port
Xingang Port
Payment Terms
100%T/T ,L/C at sight
Package
25 kgs per packing, jumbo bag
Keyword :
Category
Contact
juliazhou
Selling Leads Detail
Company Info
 
Quick Detail
Place of Origin
China [CN]
Brand Name
polar bear
Model Number
CSA expansive agent
HS-CODE
3824-40
Package & Delivery Lead Time
Package
25 kgs per packing, jumbo bag
Delivery Lead Time
within 14 work days after payment
Detailed Description
High efficiency CSA expansive agent is a calcium sulphoaluminate expansive agent, which is obtained by firing in rotary kiln. And its main materials are anhydrite calcium sulphoaluminate,calcium oxide,natural gypsum ect. It was prised as international advanced level in 2000 by Hebei province. It also enjoyed the honorary tittles issued by the government,like" high tech product of Hebei province","China emphased promoting new invention patent product" ect.The China Invention Patent Numeber is 02116312.X.It has been applied to the constructions of the capital of Dongzhi Gate transportation junction, Beijing Wanghe bridge, jingchen high-way fifth-ring bridge ,ect.Characteristics of high efficiency CSA expansive agent:Low alkali. High-efficiency CSA Expansive Agent has a very low alkali content (R2O<0.3%) which is beneficial to avoid AAR in concrete.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.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 High-efficiency CSA Expansive Agent  Prevents cracking due to drying shrinkage and hydration heats.Increases the water tightness of concrete and thus is useful for waterproofing buildings.Enables the manufacture of high strength concrete products through chemical prestressing.Technical data:
Dosage in OPC (%)
Restrained-expansion rate (%)
Curing 7d in water
Curing 7d in water then 21d in air
TypeⅠ,7
0.050-0.080
≥0
TypeⅡ,7
0.025-0.045
     ≥-0.015
TypeⅡ,10
0.055-0.080
≥0

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