How Portland cements are classified in Mexico
In Mexico, Mexican standard NMX C-414, specifies and classifies the
various types of Portland cement. According to this standard, the types of cement may be:
|
Type
|
|
|
CPO
|
Ordinary Portland Cement
|
|
CPC
|
Compound Portland Cement
|
|
CPP
|
Pozzolanic Portland Cement
|
|
CPEG
|
Granulated Clinker Portland Cement
|
|
CPS
|
Silica Smoke Portland Cement
|
|
CEG
|
Granulated Clinker Cement
|
|
Resistant class
|
|
|
|
|
|
3 days
|
28 days
|
|
|
|
Minimum
|
Minimum
|
Maximum
|
|
20
|
|
203
|
407
|
|
30
|
|
305
|
509
|
|
30R
|
203
|
305
|
509
|
|
40
|
|
407
|
|
|
40R
|
305
|
407
|
|
|
Special characteristics
|
|
|
RS
|
Sulphate Resistant
|
|
BRA
|
Low Reactivity Alkali-Aggregate
|
|
BCH
|
Low Hydration Heat
|
|
B
|
White
|
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