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It is a white hydraulic binder with crack resistance, fast setting and rapid hardening properties, made from active (or inactive) mixed materials such as fast setting rapid hardening high belite sulphur aluminate cement clinker with low content of ferric oxide, moderate amount of gypsum (or industrial by-product gypsum), slag and other active (or inactive) hybrid materials with fine grinding, and its code is BS - WCF.
Items | Indexes | ||
| White Crack Resistance Double-Fast Cement | ||
Specific Surface Area / (m2/kg) ≥ | 480 | ||
Setting Time A/Min | Initial setting≥ | 15 | |
Final setting≤ | 45 | ||
28-Days Free Swell Ratio /% | In water≤ | 0.08 | |
In dry air≥ | -0.05 | ||
Whiteness Value≥ | —
| 70 | |
a When user has special requirements, the seller and the buyer make a decision by negotiation together. | |||
Now, white cement in current construction market is mainly Portland cement. Although the white degree of such cement is higher, it has a lot of problems such as low early strength, low late strength, easy to crack, easy to damage and easy to re-alkali.
Features of White anti-crack resistant double fast high belite CSA cement 32.5
1.Small size change rate
With proper proportion of gypsum, the cement has micro expansion and low dry shrinkage performance, and cement size change ratio is very small. Its free expansion rate (dry shrinkage of 2:1 cement mortar in dry air) is only 1/10-1/8 to the portland cement, and its volume stability is good; the change rate of volume size for one-year age of concrete is very small and the volume of long-time concrete is stable.
2. Excellent thermal stability and corrosion resistance
Although the hydration heat is focused, the center temperature of large volume concrete only arrived at 72℃ even in summer.
3. Micro expansion, high early strength, good impermeability and frost resistance
4h compressive strengths is above10 Mpa, and it is easy to prepare high early strength concrete even in low temperature.
As it has micro expansion property, concrete compounded of which is very dense, and the late strength increases very high, which make the frost resistance performance of the concrete compounded of which be very excellent.
Main application:
GRC component
Decorative mortar
Inner and exterior wall putty
Cement based self-leveling mortar
Artificial man-made stone and artificial flooring
Indoor and outdoor self-leveling floor
Crack resistance plastering dry-mixed mortar
The exterior insulation mortar and tile adhesive
Decorative concrete
Concrete precast component
Structure reinforcement
Extra-high early strength grouting material
Bolting and Shotcrete Engineering
Waterproofing and leak stopping material
New products from manufacturers at wholesale prices