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Dynasylan® SIVO 202

1 of 42 products in this brand
Dynasylan® SIVO 202 is a versatile aminosilane adhesion promoter, finds application in a diverse range of uses. Particularly suited for adhesives and sealants, it elevates the adhesion of hybrid products (e.g., silylated polyurethanes, MS Polymers), RTV-silicones, two-part polyurethanes, and two-part epoxies to inorganic surfaces and challenging plastic surfaces. Additionally, Dynasylan® SIVO 202 accelerates sealant curing, yields highly crosslinked products, and imparts both increased flexibility and hydrophobicity.

Chemical Family: Silanes

Functions: Adhesion Promoter, Coupling Agent, Surface Modifier

Compatible Polymers & Resins: Polycarbonates (PC), Polyvinyl Chloride (PVC)

Features: Excellent Adhesion, Good Mechanical Properties, Good Moisture Resistance, Improved Flexibility, Improved Substrate Wetting, Water Resistance

Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Technologies

Features & Benefits

Applications & Uses

Compatible Substrates & Surfaces
Application Characteristics
  • Dynasylan® SIVO 202 is a versatile product that provides improved product performance and quality.
  • Dynasylan® SIVO 202 is soluble in alcohols, aliphatic and aromatic hydrocarbons, but it can undergo reactions with ketones or ester solvents.
  • Dynasylan® SIVO 202 may also be used as an additive or as a primer in coatings and as a primer in adhesives and sealants applications.
  • When used as an additive, Dynasylan® SIVO 202 can eliminate the need for special primers in numerous bonding applications.
  • Specific systems that demonstrate improved adhesion when Dynasylan® SIVO 202 is used include RTV silicones and hybrid silane-crosslinkable systems.
  • Loading levels of 0,5 to 2,0 wt. % of Dynasylan® SIVO 202 as an additive - calculated on the overall formulation - are typically recommended.
  • Dynasylan® SIVO 202 can also be utilized to treat mineral fillers.
  • The special functionalities may result in unique functional filler properties when Dynasylan® SIVO 202 treated minerals are incorporated into polymers.

Key Benefits

  • Dynasylan® SIVO 202 exhibits excellent wetting on substrates and it forms weather- and moisture-resistant bonds to substrates which are typically difficult to adhere.
  • The main benefits of Dynasylan® SIVO 202 in silylated polyurethane or MS polymer adhesives and sealants are:
    • Improved adhesion to plastics such as PC and PVC
    • Improved mechanical properties

Properties

Appearance
Light straw - colored liquid
Technical Data
ValueUnitsTest Method / Conditions
Density (at 20°C)approx. 1.03g/cm³DIN 51757
Viscosity (at 20°C)approx. 4mPa.sDIN 53015
Flash Point81.0°CDIN EN 22719

Regulatory & Compliance

Packaging & Availability

Packaging Information

Dynasylan® SIVO 202 is supplied in 25 kg pails, 200 kg drums and 1000 kg IBC.

Storage & Handling

Shelf Life
12 months