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Portland Composite Cement (PCC)

Portland Composite Cement (CEM II/B-M (S-L), Grade 42.5N)

Description
Ingredients:
Clinker: 65–79%
Gypsum: 0–5%
Blast Furnace Slag & Limestone: 21–35%

Portland Composite Cement (CEM II/A-M (S-L), Grade 42.5N)

Ingredients:
Clinker: 80–94%
Gypsum: 0–5%
Blast Furnace Slag & Limestone: 6–20%
Description

Blast Furnace Slag Cement (CEM III/A (S-L), Grade 42.5N)

Ingredients:
Clinker: 50–64%
Gypsum: 0–5%
Blast Furnace Slag: 36–50%
Description

Key Physical Properties Of Royal Cement Limited

Description PCC CEM II/ B-M (S-L); 42.5N PCC CEM II/A-M (S-L); 42.5N PC CEM III A; 42.5N
Standards Requirements ASTM C150 We Maintain (minimum) Standards Requirements ASTM C150 We Maintain (minimum) Standards Requirements ASTM C150 We Maintain (minimum)
Fineness, ASTM C204 None 380 (m²/kg) None 380 (m²/kg) Not less then 260 (m²/kg) 380 (m²/kg)
Setting Time ASTM C191Initial Not less then 45 minutes 150 ± 10 minutes Not less then 45 minutes 150 ± 10 minutes Not less then 45 minutes 150 ± 10 minutes
Setting Time ASTM C191Final Not More then 420 minutes 190 ± 10 minutes Not More then 420 minutes 190 ± 10 minutes Not More then 420 minutes 190 ± 10 minutes
Compressive Strength ASTM C1093 Days 1890 psi 2500 psi 1890 psi 2700 psi 1890 psi 2200 psi
Compressive Strength ASTM C1097 Days 2900 psi 3300 psi 2900 psi 3500 psi 2900 psi 3000 psi
Compressive Strength ASTM C10928 Days 3620 psi 5100 psi 3620 psi 5500 psi 3620 psi 4500 psi