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Help CenterGH-9S Retardant for High Temperature Oil Well Cement/cementing Additive Oilfield Chemicals
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Retardant for High Temperature Oil Well Cement Retardant cementing additive
GH-9S is a two carboxylic acid groups and sulfonate groups and tricalcium aluminate and tricalcium silicate reaction, adsorption, chelation, dispersing and wetting role in the early stages of cement hydration by diffusion electric double layer cement particles dispersed in the surface of cement particles with calcium ions to form solvation film preferentially adsorbed on tricalcium aluminate hydration slowed, showing a strong retarding effect, while the tricalcium silicate showed a weaker adsorption properties, thus ensuring the late cement strength development.
Appearance |
white powders |
Moisture,% |
≤8.0 |
Fineness(0.315mm shorts),% |
≤10.0 |
Thickening time’ adjustment/248℉,70MPa, 60min |
Adjustable |
Initial consistency , Bc/120℃.73.9MPa.61min |
≤30 |
40Bc~100Bc,min |
≤40 |
Thickening curve |
normal |
Free fluid, % |
≤1.4 |
Compression strength, Mpa/248℉, 21Mpa, 48h |
≥14 |
The ingredients of cement slurry in the table are: G class cement: 594g + silica sand: 208g,distilled water 333ml, Dosage of 0.9%GH-9+0.4% G401 | |
- Be stored in 25Lplastic barrels, 25kg/barrel.
- Be kept away from moisture, Stored in cool and dry situation. Storage life time is two years.
1. Is your company a factory/manufacture or a trading corporation?
Beijing Oilchemleader is a production-oriented enterprise. The production base—Weihui Chemical Co., Ltd is our wholly owned subsidiary, whose building area is nearly 65,000 square meters with 6workshops and 6 production lines. We’re engaged in researching, manufacturing, selling and providing related technology services of oilfield chemicals for nearly about 30 years. We have a perfect production system of oilfield chemicals, five series products, such as drilling fluid additives, cementing additives, oil-recovery additives, acidizing and fracturing additives and water-treatment additives, that can meet all the needs of chemicals of oil exploitation.
2. Do you have any certificates?
We have certificates of ISO9001, API, China National laboratory, ASIA FAMOUS AND FINE BRAND, and a series of patent certificates and etc.
3. Is the sample charged?
No. You can get our sample freely and just need to pay the postage.
4. Do you undertake OEM orders?
We take OEM orders generally. Specific orders should be discussed in concrete.
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