OPC 43 Grade cement produced by TNPL is used for heavy duty floors, plastering, pre-cast concrete modules, concrete blocks and pipes. OPC – 43 Grade cement has higher strength and is used for construction of buildings, roads, culverts and water storage applications.
|Loss on Ignition %||0.8-1.0 (5.0 max)|
|Insoluble Residue %||0.5-0.8(4.0 max)|
|Chloride Content %||0.02(0.1 max)|
|Magnesia (MgO) %||1.4-1.8 (6.0 max)|
|Fineness (Blaines) M*M/Kg||300-350(225 min)|
|Le - Chatelier Expansion MM||1-2 (10 max)|
|Autoclave Expansion %<||0.1(0.8 max)|
|Setting Time-Initial MIN||90-120(30 min)|
|Sulphuric Anhydride(SO3) %||1.8-2.2(3.5 max)|
|Compression Strength 3days MPa||30-32(23 min)|
|Compression Strength 7days MPa||38-43(33 min)|
|Compression Strength 28days MPa||48-53(43 min)|
|Setting Time Final MIN||150-180(600 max)|
Application: Construction of Buildings, Construction of Roads, Construction of Culverts, Construction of Water Storage
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