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Shenzhen Chenggong Building Materials Co.,Ltd. (www.chngn.com) supplying API Class G Oil Well Cement type HSR and Pure Clinker for Class G Oil Well Cement .
1. API Class G Oil Well Cement type HSR
Class G Oil Well Cement is one of basis oil well cements and is used in drilling oilwell with deepth 2440m. When mixing the suitable addtives, it will get the more deepth such as 6000m to 8000m.
Our Class G Oil Well Cement type HSR comply with China GB10238-2005 Standard and USA API Spec. 10A.
Specification:
1.Chemical Content:
MgO: 6.0%Max;
SO3: 3.0%Max;
Loss On Ignition: 3.0%Max;
C3S: 48%-65%;
C3A: 3.0%Max;
Total Alkali(Na2O): 0.75%Max;
Insoluble Content: 0.75%Max;
C4AF+2 multiple of C3A: 24% Max;
2.Physical Performance (Water of Mixing(percentage of total cement): 44%)
Free Liquid: 5.9%Max;
Compressive Strength(8h,38 Centigrade, normal compressive):2.1MPa Min;
Compressive Strength(8h,60 Centigrade, normal compressive):10.3MPa Min;
Consistency(15-30minutes):30Bc Max;
Thickening Time:90 - 120 minutes.
2. Pure Clinker for Class G Oil Well Cement
Without any additives in it.
Chemical Analysis:
C3S 48-65%,
C3A 8.0%Max,
MgO 6.0%Max,
Insoluble Content: 0.75%Max
Loss On Ignition: 3.0%Max;
Total Alkali: 0.75%Max.
Size: 0-50mm
Packing: 1MT big bag
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Mobile: 0086-18603058786
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