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Asphalt, resin, and paraffin deposits inhibitor RS-425
Asphalt, resin, and paraffin deposits inhibitor RS-425

Paraffin inhibitor RS-425 is a inhibitor and dispersant of asphalt, resin and paraffin deposits, designed specifically for crude oil and gas condensate treatment. Improves the rheology of crude oil or gas condensate.
Scope of use:
  • Prevention of ARPD in oil wells.
  • Prevention of ARPD in oil and condensate production lines.
  • Protection of equipement, storage tanks etc from ARPD
There are 2 grades of RS-425 inhibitor: А and В.
RS-425 A is a non-ionic surfactant solution with a mass fraction of at least 10% in a mixture of methanol and an aromatic solvent.
RS-425 В is a mixture of active base (composition of block copolymers of ethylene oxide and propylene with the addition of a nonionic surfactant) and solvent (normally methanol and aromatic solvent).

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  • No mechanical cleaning of the equipment to eliminate ARPD is required.
  • Does not affect processing of oil.
  • Stable at high temperatures and pressures.
  • Highly effective inhibitor which allows to reduce dosages during application
  • Compatible with other chemical products
  • Low setting temperature
Application technology
ARPD inhibitors should be applied at the beginning of the oil gathering system before the paraffin crystallization in oil. This product is a highly effective dispersant. The dosage usually varies from a few grams to several hundred grams per 1 m3.