Cement Portland specification for concrete structure according to ASTM C 150

Types

Types	Application or used for
I	When special requirements such as air- entrainment, sulfate resistance, heat of hydration & high early strength are not required
IA	Same as type I, when air – entrainment is desired
II	General use, specified when moderate sulfate resistance & moderate heat of hydration is desired
IIA	Same as type II, when air – entrainment is desired
III	High early strength is desired
IIIA	Same as type III, when air – entrainment is desired
IV	Low heat of hydration is desired
V	High sulfate resistance is required

Denote information below when you ordering portland cement 

• Types of cement complete with number and date (example: IIIA, or IIA)
• If type of cement is not mentioned, type I shall be supplied
• Optional chemical or physical requirements

Ingredients of cement described in Table 1 - Standard composition requirements except as follow:

• clinker
• water or calcium sulfate
• limestone according to C 51 shall not more than 5% by mass of cement
• processing additions according to C 465
• air-trained additions according to C 226

Chemical composition described in Table 1 and Table 2 Optional composition requirements

Physical properties described in Table 3 Standard physical requirements and Table 4 Optional physical requirements

Inspection of the material refer to contract document of seller and purchaser

Rejection 

• Purchaser my asked retest before using if the cement retain more than 6 months in bulk storage or more than 3 months in local storage custody by vendor after completion of test. If the result of test fails from specification, the cement must have rejected and it is vendor responsibility 
• Packages (mass contained) as purchaser option to be measure in net weight. If the weight of packages less more than 2% of mass marked on the packages, the cement must have rejected. If the average mass of packages in every shipment (determine by randomly 50 packages) less than mass marked on the packages, the shipment must have rejected

Manufacturer's statement

• As purchaser request, the manufacturer shall written the nature, amount, identity, any air-entraining addition, any processing addition, and if possible with its test data required
• If limestone is used, manufacturer shall state in written amount and if it as purchaser requested. Test data of cement without and with limestone to be submitted as comparison not to superseded the data test without limestone but to shown whether meet specification

Packaging and its marking

Mandatory to put on to the packages - marked on each packages - information below:

• portland cement
• type of cement (number and letter or just number)
• name and brand of manufacturer
• mass of the packages 

Storage

• easy access for proper inspection and identification
• weather tight - sealed from rain and wind
• avoid dampness (wetness) and minimize warehouse set

Manufacturer's certification

As per contract order, manufacturer must furnish data test result of packages at the time of shipment to conform applicable requirements as per specification

References:

• ASTM C 150 Standard Specification for Portland Cement 
• ACI 318 Building code requirements for structural concrete and commentary