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Products > Opc > Tangshan Polar Bear Building Materials Co.,Ltd. | Similar Products
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CSA Expansive Agent (Cement Additive)

OPC (%) Restrained-expansion rate (%) Curing 7d in water Curing 7d in water then 21d in air Type I, 7 0.050-0.080 ≥ 0 Type II, 7 0.025-0.045 ≥ -0.015 Type II, 10 0.055-0.080 ≥ ...

Rapid Hardening CSA Cement Grade 42.5

OPC; if used in 0-20℃ with little admixture, its strength in 3-7d can reach 70-80% of designed strength, with very little strength loss after 300 times of froze-thaw circle. 3) High impermeability: ...
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