1. Property
One-way Pressure Sealant for Drilling Fluid is a product in the form of gray yellow powder, When used in drilling, it can effectively block up leakage of every kind from the formation under the action of one-way pressure difference.
| Item |
Index |
| Appearance |
light yellow or yellow powder |
| Density, g/cm3 |
1.40-1.60 |
| Residue on sieve(0.28mm standard sieve), % |
≤10.0 |
| Moisture,% |
≤8.0 |
| Residue on ignition,% |
≤7.0 |
| Water soluble |
≤5% |
| Filtration loss, ml |
≤35.0 |
| PH |
7---8 |
| Change of density, g/cm3 |
±0.02 |
| Note: Residue on ignition only for vegetable fibers: |
36-45% |
Storage and package
Stored in cool,dry and ventilated place.
25KG woven bag lined with pp bag.
