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Soaked in 100 centigrade saturated Ca(HO)2 solution for 4 hours remained strength >82%.diameter diminution <0.5%.
Soaked in 100 centigrade 10% NaHO solution for 1 hours, weight loss <5%(without size ).
Its alkaline resistance through the “SIC” test of Berlin University in Germany, meanwhile meet the requirements of PCI (prestressed concrete institution) and international GRC institution.
zro2 ≥ 14.5%
ar glass fiber roving (L)