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Oilfield Chemicals High - Temperature Viscosity - Increasing and Filtrate - Reducing Agent Type II (HTR240). Effective Filtrate Reduction: Significantly reduces HTHP filtration loss and water loss in high-pressure drilling environments. Versatile Application: Suitable for both water-based drilling fluids (0.3%-0.8%) and oil-based drilling fluids (0.5%-1.0%). Long Validity Period: Product remains effective for 24 months from the production date when stored correctly. Flexible Customization: Offers full, minor, and flexible customization options based on specific design requirements. ISO Certified Quality: Manufactured under ISO9001:2015, ISO40000:2018, and ISO14001 certified management systems.