Specification :

We can offer you China origin Shotcrete, Dry - mixed Mortar, Concrete, HS code: 3824.5000.00 USD140/ MT ( USD 0.14/ kg ) FOB Tianjin Xingang / Huangpu , China ports. Sept / Oct 2010 shipmt .
Quality Spec : Cement grade P.O 42.5e30% ; Silica sand ( SiO2) : 60% ; Silica fume ( SiO2) : 3-5% ; Remaining 5% is microfiber or additives.
TECHNICAL DATA: Compressive Strength : R1d / MPa e15 ( 2175 psi) , ( 1 Day e 15 MPa ) ; R3d / MPa e30( 4350 psi) , ( 3 Days e 30 MPa ) ; R28d/ MPa e42 ) , ( 28 Days e42 MPa ( 6000 psi) . Flexural Strength : R28d / MPa e6.5( 940 psi) , ( 28 Days e6.5 MPa ) . packed in 25kg or 50kg or 1000kg bags at buyer' s option.
Pls email us your detailed quality requirements / application / uses , quantity required or firm buying proposals ASAP.