Unisil MPSR-101 is a low viscosity polymethylphenylsiloxane oligomer with reactive ethoxy groups. This product offers a siloxane-based structure with low viscosity and reactive ethoxy groups, making it suitable for various industrial applications that require specific reactivity and fluidity in formulations.

Applicable Processes: Cement Manufacturing

Features: Anti-Corrosion Protection, Heat Resistance, Low Viscosity, Low Water Absorption, Weather Resistance

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Identification & Functionality

Features & Benefits

Applications & Uses

Markets
Applications
Applicable Processes
Compatible Substrates & Surfaces
Coating End Applications
Industrial Additives End Use
Use Level
0.5 %
Product Applications
  • In the production of building materials to reduce capillary water absorption, including for fiber-reinforced cement products, for example, fiber cement boards;
  • anti-corrosion coatings;
  • industrial coatings, including those for wood;
  • protective coatings;
  • resin modifier.
Product Usage Information
  • In the production of building materials, Unisil MPSR-101 is added undiluted to the building mixture with constant stirring at high intensity.
  • The recommended dosage is up to 0,5 % of the amount of solids in the building mixture. The precise dosage is determined depending on the material requirements.

Properties

Physical Form
Appearance
Colorless or slightly yellowish liquid
Insoluble in
Water
Specifications
ValueUnitsTest Method / Conditions
Density (at 19.5 - 20.5 °C)approx. 1.14g/cm³ISO 2811-1
Kinematic Viscosity (at 24.5 - 25.5 °C)130 - 280cStISO 3104
Mass Fraction of Non-Volatile Substances (at 148.0 - 152.0 °C, 58.0 - 62.0 min, 4.8 - 5.2 g)min. 97%EN ISO 3251
Product Properties
  • Insoluble in water
  • does not contain water or solvents
  • combined with organic resins to increase heat resistance
  • intermediate for intermediate products in organic polymers
  • contains residual ethoxy groups
  • excellent for introducing a compatible silicone component into other binder systems to improve weathering or heat resistance.

Packaging & Availability

Packaging Type
Packaging Information

           Material - high density polyethylene (HDPE):

  • canisters with a capacity of up to 20 dm³;
  • barrels with a capacity of up to 200 dm³;
  • containers with a capacity of up to 1 m³.
  • Steel barrels with an internal polymer coating with a capacity of up to 200 dm³.

Storage & Handling

Shelf Life
12 months
Storage Information
  • Store in original containers in a dry, cool, ventilated place, away from sources of ignition and high temperatures. Protect from exposure to direct sunlight. Store away from alkalis, strong oxidizing agents and inorganic acids.
  • Shelf life is 12 months at temperatures from 0 °C to 30 °C.
  • Storage over the date specified on the label does not necessarily mean the product is unusable. In case if store more please check the properties of product before use.