Greencem has also developed a Composite additive-GB 50 for Cement, based on a mixture of super fine ground Fly ash and GGBS with minor proportion of Strength Activators. When mixed with OPC it meets the IS 16415:2015 Composite Cement Specifications laid out by Bureau of Indian Standards (BIS).

We have been supplying GB-50 in bulk to Fly ash Brick units around us. Our brick customers find it giving increased early / final strength, 50 to 60% Cement (OPC 53) replacement, more smoother finish of bricks, Cost saving and better price from customers for their bricks.

Our GB 50 Green Composite Cement Additive is being used by civil contractors as well for plastering and brick work with excellent feed back. Now GB-50 is available in Bags.

The product details as under;

1. Product        :  Green composite Cement Additive – GB 50

2. Contents      :  Fly ash, GGBS, Limestone and Strength activators

3. Fineness      : 100 % passing 45 micron ; 85% below 30 micron size

4. Color            :  Light grey

5. Bulk Density : 900 to 950 kg / cu.m

6. Packing Size     : Small Bag : 50 Kg ; Bulk Bag : 1 ton / 1.5 tons

Recommended Mix Ratio (GB 50 and  OPC 53)  -   50 : 50

In India Composite Cement is the new entrant in the market. Composite Cement is usually made from high quality fine ground blend of Granulated Blast Furnace Slag(25 to 50%), Fly ash(25 to 40%), Limestone (15 to 25%) Gypsum (5%) and Clinker(40 to 50%). Optimum mix depends on the quality of individual components.