Unisil SE 55H is an emulsion of reactive polydimethylsiloxane in water. This product provides a stable dispersion of polydimethylsiloxane with reactive properties, suitable for various industrial applications. Its water-based formulation ensures ease of use and compatibility in processes that require a siloxane component without the inclusion of organic solvents.

Functions: Water Repellent

End Uses: Acrylic Paints, Latex Paint, Silicate Paint, Varnishes, Waterproof Coating

Features: Excellent Penetration, High Durability, Hydrophobic, Low Moisture Vapor Permeability, Water Resistance, Weather Resistance

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Identification & Functionality

CASE Ingredients Functions
Industrial Additives Functions
Technologies
Product Families

Features & Benefits

CASE Ingredients Features
Industrial Additives Features
Product Highlights
  • After application, it reacts chemically with the reaction groups of the treated material and forms a durable protective waterproof coating chemically bonded to the substrate.
  • When used as an additive in paint materials does not reduce their storage stability. This allows to use it as an additive to various water-based paints (acrylic, styrene- acrylic, latex), to improve the properties of the paint, the technology of its application and properties of the coating.

Applications & Uses

Markets
Applications
Application Method
Coating End Applications
Use Level
0.2 - 0.4 % (Perlite or vermiculite), 0.1 - 0.2 wt% (Clay)
Product Applications
  • As an additive to water-based paints based on acrylic, styrene-acrylic, latex, silicone or silicat;
  • For hydrophobizing treatment of expanded materials (perlite, vermiculite, expanded clay);
  • To impart water-repellent properties to stone wool and glass wool.

    Application (examples)
    As the additive to water based paints:
    Add undiluted to paints and varnishes during or after their manufacture in an amount of 1,0 to 3,0 % by weight of the total composition, mix thoroughly. To determine a more accurate dosage, it is necessary to conduct individual tests taking into account the type of coating.

    When processing expanded materials.
    Preparation of working solution:
    Dilute 1 L of Unisil SE-55M in (5 – 10) L of water, depending on the absorbency and type of the substrate. It is recommended to prepare a one-off portion of water repellent in the amount not exceeding the consumption per one working day.

    Application:
    By spraying. The flow rate for hydrophobization of perlite or vermiculite is (0,2 – 0,4) % for expanded clay (0,1 -0,2) % (by weight). The emulsion csn be sprayed onto warm foam to avoid an additional drying process. However, prolonged heating of the treated material should be avoided.

Properties

Physical Form
Appearance
White emulsion
Specifications
ValueUnitsTest Method / Conditions
Mass Content of Non-Volatile Substance (at 103.0 - 107.0 °C, 73.0 - 77.0 min, 1.8 - 2.2 g)min. 55%EN ISO 3251
Funnel Viscosity (at 19.5 - 20.5 °C, with viscometer B - 243.0 - 249.0, nozzle diameter 4 mm)min. 70sEN ISO 2431
Stability at Dilutionmin. 24h-
pH (The reaction of medium ,25% aqueous solution)6.0 - 7.0--
Product Properties
  • Good penetration into the pores of the processed material;
  • No hazardous chemicals are released during application;
  • Retains gas permeability of materials after application and drying of the coating;
  • Addition of an emulsion to water-based paint and varnish coatings improves water-repellent properties, water resistance, vapor permeability, weather resistance and durability of the coating.

Packaging & Availability

Packaging Type
Packaging Information
  • Polymer canisters up to 25 dm³;
  • Polyethylene drums up to 50 dm³;
  • Barrels combined/steel-polyethylene up to 200 dm³;
  • Barrels of polyethylene, 220 dm³;
  • Special polymeric containers up to 1 m³.

Storage & Handling

Shelf Life
6 months
Storage Information
  • The shelf life of is 6 months at temperature from 5 °C to 30 °C. Store in original containers. Store in a cool, dry, well-ventilated place, protected from moisture and direct sunlight, away from heaters.
  • 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.