Comparison of Cement Standards

Comparison of Cement of  Cement Standards Prepare by  U Thaung U  Thaung Myint 

BS 12 BS 12 EN 197‐1 Standard ASTM C 150 1989 1996 2000 Year 2005 Portland cement CEM I Portland cement Type I C F P OPC R H P Class 325N 32 5N 325 325R R 42 425N 5N 425R 425R 52 525N 5N 62 625N 5N 32 325N 5N 32 325R 5R 425N 425N 42 425R 5R 52 525N 5N 52 525R 5R

Physical Properties Physical  Properties

Strength

2 day 3 day 7 day 28 day

Setting time

Init Initia iall Final inal

Soundness Fineness

M Pa M Pa M Pa M Pa Minu Minute tess Minut inute es mm m²/kg

‐

‐

‐

>12 > 19

> 13

> 15

‐

‐

> 34 > 29 > 38 < 52 > 45 < 600 < 10

> 280

> 225 > 275 > 350

> 28 > 45 <375

>10

‐

> 15

‐

‐

‐ > 16 > 32.5 < 52.5

>20 ‐

‐

‐

‐

>42.5 < 62.5 > 60

‐

‐

‐

‐

< 52 52.5 .5 < 62.5 ‐ < 72.5 > 45

‐

>10

‐

‐

> 16 > 32.5 < 52.5 > 75

>20

> 30 ‐

‐

‐

>42.5 < 62.5 > 60

‐

‐

< 10

< 10

‐

‐

< 5.0

‐

> 52.5 ‐

> 45

Chemical Properties Chemical  Properties MgO SO₃ LOI Inolubale residue Equivalent Alkalies Chloride

C₃A<3.5% C₃A<8% C₃A>8% max: max: max: max:

% % % % % % % %

< 4.0 < 2.5

< 6.0 ‐

< 3.0 < 3.5 < 3.0 < 0.75 < 0.6 ‐

< 3.0

< 3.5 <3 < 1.5

< 3.5 < 3.0 < 1.5

< 3.5

< 4.0 < 5.0 < 5.0

‐

‐

‐

< 0.1

< 0.1

< 0.1

REMARKS MgO ,SO₃,LOI,Inolubale residue are tested according to ASTM C114 for ASTM C 150‐05 MgO ,SO₃,LOI,Inolubale residue are tested according to BS 4550 Part 2:1970 for BS 12:1989 MgO ,SO₃,LOI,Inolubale residue are tested according to BS EN 196‐2:1995 for BS 12:1996 MgO ,SO₃,LOI,Inolubale residue are tested according to EN 196‐2:2005 for EN 197‐1:2000 Equivalent Alkalies =(Na₂O + 0.658 K₂O) tested according to ASTM C 114 for ASTM C150‐05 Chloride is tested according to BS 4550 Part 2 : 1970 for BS 12 :1989 :1989;;Clause 4 of  of BS BS EN 196 21:1992 for BS 12 :1996 :1996::EN 196 21 for EN 197 1:2000