PAC, divided into high viscosity (HV) and low viscosity (LV), are the high-tech products with independent intellectual property right. As anionic cellulose ether, it features high purity, high replacement and well distribution and can be taken as thickener, rheology modifier and fluid loss agent.
Our product offers stable performance, high purity, and reliable consistency to ensure excellent results across multiple industrial applications.
Polyanionic Cellulose PAC-HV is a high-viscosity cellulose derivative designed for demanding water-based fluid systems. It is widely used as a fluid loss reducer, viscosifier, and rheology control agent, providing stable performance in complex industrial and oilfield environments.
Compared with standard grades, Polyanionic Cellulose PAC-HV delivers stronger viscosity building capability and enhanced suspension performance, making it suitable for applications requiring improved carrying capacity, better cuttings transport, and stable fluid structure.
Where n represents the degree of substitution (DS), typically ranging from 0.5 to 1.5, and x indicates polymerization degree, which determines molecular weight and viscosity performance.
Polyanionic Cellulose PAC-HV provides strong viscosity development, improving the carrying capacity of drilling fluids and slurry systems.
It significantly reduces filtration loss, helping maintain wellbore stability and minimizing formation damage.
PAC-HV improves the suspension of solid particles, ensuring uniform distribution in drilling and industrial systems.
It maintains stable performance in freshwater, seawater, and saturated brine systems, with excellent thermal resistance up to 150°C.
Polyanionic Cellulose PAC-HV ensures consistent flow behavior and stable mud properties under varying operational conditions.
In drilling operations, Polyanionic Cellulose PAC-HV is used as a high-performance drilling fluid additive to improve viscosity and control fluid loss.
It is suitable for:
It enhances cuttings transport, reduces filtrate invasion, and improves overall drilling efficiency.
Polyanionic Cellulose PAC-HV is widely used in workover and completion fluids, providing low-damage fluid systems that protect reservoir permeability.
Key benefits include:
In fracturing systems, PAC-HV provides strong viscosity support and excellent proppant-carrying capacity. It performs well in KCl-based systems and supports efficient on-site mixing and rapid hydration.
Polyanionic Cellulose PAC-HV is also used in papermaking systems as a functional additive to improve coating and sizing performance.
Polyanionic Cellulose PAC-HV is used in pelletizing and industrial binder systems due to its strong adhesion and eco-friendly characteristics.
Key advantages include:
It is suitable for coal briquettes, mineral pellets, and industrial molding systems.
PAC-HV is also used in:
Polyanionic Cellulose PAC-HV combines high viscosity, excellent fluid loss control, and strong suspension performance, making it suitable for demanding industrial and oilfield applications. It ensures stable rheology, improved operational efficiency, and reduced formation risks.
As a high-performance grade of Polyanionic Cellulose PAC-HV, it plays a critical role in drilling fluids, completion systems, and industrial processing applications requiring superior viscosity and stability control.
Strict production control ensures consistent purity and reliable batch-to-batch performance.
Optimized formulation delivers strong efficiency and improved results across various industrial uses.
Viscosity, particle size, activity and packaging can be tailored to meet specific application needs.
Based on our deep understanding of the climate characteristics, industrial standards and application scenarios of different regions, we can provide precise and suitable solutions for various industries such as building materials, coatings, daily chemicals, etc. Our rich experience in cross-border cooperation makes us familiar with the requirements of various countries, logistics optimization, and localization service support, ensuring the efficient progress of your project. Whether you come from the hot and humid tropical region or the cold and dry high-latitude market, our products pass strict quality verification to help you win the trust of end-users.
