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Oil drilling shale hydration expansion

Jan 20,2026

PAC forms a dense mud cake in the saltwater system, inhibiting shale hydration expansion; CMC relies on molecular chain winding to increase viscosity, but is easily affected by electrolytes; Due to the temperature limitation of gel, HPMC is often used as an auxiliary thickening agent rather than a main fluid loss reducer.

Related Products

Hydroxypropyl Methylcellulose (HPMC)

Hydroxypropyl Starch Ether (HPS)

Polyvinyl Alcohol Powder (PVA)

Polypropylene Crack-Resistant Fiber (PP)

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More Application

putty powder

The company produces hydroxypropyl methyl cellulose, hydroxyethyl methyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose, and polyanionic cellulose. Widely used in the fields of medicine, construction, synthetic resin, petroleum extraction, ceramics, daily chemical products, etc., it is an energy-saving and environmentally friendly innovative product actively advocated by the Ministry of Construction of China.

Building Materials and Architectural Coatings

In putty, mortar, and self leveling materials, HPMC delays water evaporation through an efficient water locking mechanism, ensuring sufficient hydration of cement and improving bond strength and crack resistance.

mortar

HPMC can significantly improve the construction performance of mortar products, with good viscosity and ductility. After adding cellulose ether, it has good smoothness, dispersibility, and water retention, thereby enhancing the bonding strength of the substrate.

Oil drilling shale hydration expansion

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