NH4-HPAN
This product has been discontinued and removed from our shelves.
NH4-HPAN, whose former name is high temperature high pressure hydrolytic polyacrylonitrile, is manufactured by hydrolyzing polyacrylonitrile at high temperature and high pressure. This product is also known as ammonium hydrolyzed polyacrylonitrile, and it is a new type of drilling fluid additive.
Typical Property| Item | Data |
| Appearance | Light yellow powder |
| Loss of weight in baking (%) | ≤10.0 |
| Ammonium content (%) | ≥5.5 |
| Residue on ignition (%) | ≤3.0 |
| Screenings (%) | ≤5.0 |
| Item | Filtration | Apparent viscosity (mPa∙s) |
| Distilled water-base mud | 18~25.0 ml | ≤8.0 |
| Distilled water-base mud with 0.3% NH4-HPAN | ≥45% | ≤8.0 |
| Salty water-base mud | 55.0~65.0 ml | ≤10 |
| Salty water-base mud with 1.5% NH4-HPAN | ≥50% | ≤10 |
Safety and Handling
For safety considerations, personal protective equipment is highly recommended and actually it is a must. Before work, please refer to the precautions illustrated in the MSDS.
Packaging and Storage
NH4-HPAN is packed in 25kg (50lb) paper sacks.
The container should be closed, and then placed at a dry, well-ventilated area that is away from heat, sparks, flames and incompatible materials. For palletizing, banding, shrink-wrapping and stacking operations, please follow safe warehousing practices.
