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Tylac® 4901


Tylac 4901 is a self-stabilizing, multifunctional styrene-butadiene copolymer additive for down hole cementing applications. It is designed for application providing gas migration coating in cemented annuli and excellent cement bonding properties while also contributing to exceptional fluid-loss control at low loading levels.

Tylac 4901 also offers consistently good rheology of cement slurries during placement, rapid gel strength upon setting, and turn delivering durability throughout the life of the well. It provides concrete slurry stability over a large range of temperatures, densities and cement systems.

Physical Properties

  • Solids Content (%)
  • 47.5-51
  • PH
  • 7-8.5
  • Viscosity (cps)
  • 750 max
  • Tg (°C)
  • +6
  • Softening point (°C)
  • +
  • Molecular Weight (Da)
  • MFFT (°C)
  • Acid Number (mgKOH/g)
  • Stabilization
  • ASH (%)
  • Appearance
  • Bulk Density
  • Average Particle Size μm
  • Viscosity at 25°C mPa.s

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