- The main ingredient of GR-S is styrene-butadiene latex.
- GR-S latex has a good performance of anti-gas leak.
- GR-S is compatible with all kinds of oil well cements and most of other additives.
- GR-S has good salt- resistance ability, and can be used in salts cement slurry.
- GR-S has auxiliary function in terms of fluid loss control ability, which can cut down the dosage of fluid loss control additives.
- Common dosage is 3% ∼ 10% (BWOS).
- Cement slurry which used GR-S latex has good stability, uneasy breaking emulsion, and free fluid closes to zero.
- The latex slurry’s thickening transition time is short, close to right-angle thickening.
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Latex for Oil Well Cement
Product Description :
The main ingredient of latex for oil well cement GR-S is styrene-butadiene latex, which is formed by means of emulsion polymerization, butadiene and styrene used as the main monomer. GR-S has a good chemical stability and mechanical stability, and has a good performance of anti-gas leak in the process of cement’s waiting condensation.
Performance Characteristics :
Technical indicators :
| Appearance | Solid |
| White powder | |
| Initial consistency, Bc | ≤ 30.0 |
| Thickening linear | Normal |
| Time of 40Bc ∼ 100Bc, min | ≤ 40.0 |
| Filtration, ml / 80 ℃, 6.9MPa, 30min | ≤ 100.0 |
| Compression strength, MPa / 102℃, 24h | ≥ 14.0 |
The ingredient of the cement slurry in the table is: JiaHua G class cement, W/C: 0.36, Water quality: distilled water, GR: 5.0% + G310: 4.0% + DF-R: 0.3%.
Packaging, storage and transportation ：
- For the solid GR-S, pack it with three-layer plastic bags.
- Keep away from fire, damage and leakage during transportation. GR-S should be stored in cool dry place.
- Storage life is two years.
