Dynasylan® SIVO 203

Dynasylan® SIVO 203 is a new multifunctional aminosilane adhesion promoter that can be used for a wide variety of applications. Dynasylan® SIVO 203 is mainly dedicated for use in adhesives and; sealants to improve the adhesion of hybrid products (e.g. silylated polyurethanes, MS Polymers), RTV-silicones, two-part polyurethanes and two-part epoxies to inorganic surfaces and some difficult plastic surfaces. In addition, Dynasylan® SIVO 203 can lead to fast sealant curing and high-crosslinked products and it imparts both additional flexibility and hydrophobicity.

Principal: Evonik Corporation Silanes

Functions: Adhesion Promoter, Coupling Agent, Crosslinking Agent, Surface Modifier

Chemical Family: Aminosilanes

End Uses: Primer

Compatible Polymers & Resins: Epoxies (EP), Polycarbonates (PC), Polyurethanes (PU), Polyvinyl Chloride (PVC), RTV Silicone

Labeling Claims: Conflict Minerals-free

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

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Enhanced TDS

Identification & Functionality

Blend
No
CASE Ingredients Functions
Chemical Family
Chemical Name
Function
Adhesion Promoter, Surface Modifier, Crosslinking Agent, Coupling Agent
Product Code
MITM04182
Single Ingredient
Yes
Technologies
Product Families

Features & Benefits

CASE Ingredients Features
Labeling Claims
Product Benefits

Dynasylan® SIVO 203 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 203 in silylated polyurethane or MS polymer adhesives and sealants are:

  • Improved adhesion to Al
  • Improved adhesion to plastics such as PC and PET
  • Improved in elongation and modulus
  • Reduced yellowing and reduced staining of transparent end products

Applications & Uses

Coating End Applications
Compatible Polymers & Resins
Compatible Substrates & Surfaces
Markets
Applications
Product Applications

Dynasylan® SIVO 203 is a versatile product that provides improved product performance and quality. Dynasylan® SIVO 203 is soluble in alcohols, aliphatic and aromatic hydrocarbons, but it can undergo reactions with ketones or ester solvents. Dynasylan® SIVO 203 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 203 can eliminate the need for special primers in numerous bonding applications. Specific systems that demonstrate improved adhesion when Dynasylan® SIVO 203 is used include RTV silicones and hybrid silane-crosslinkable systems. Loading levels of 0,5 to 2,0 wt. % of Dynasylan® SIVO 203 as an additive - calculated on the overall formulation - are typically recommended. Dynasylan® SIVO 203 can also be utilized to treat mineral fillers. The special functionalities may result in unique functional filler properties when Dynasylan® SIVO 203 treated minerals are incorporated into polymers.

Properties

Packaging & Availability

Packaging Type

Principal Information

Group Principal Number
S000006
Principal

Storage & Handling

Storage Conditions

Store in originally sealed containers Dynasylan® SIVO 203 has a shelf life of 9 months from delivery.

Other

ADR/RID/ADN UN Number
UN1993
Appearance
Light straw-colored liquid
Color (SDS)
Yellowish
Explosive Nature (SDS)
Vapors can form explosive mixtures with air
Immiscible In (SDS)
Water
Item Number
Odor (SDS)
Amine like
Other Hazards
None known
USA/DOT UN Number
UN1993
Shelf Life & Stability
ValueUnitsTest Method / Conditions
Shelf Life9.0 momo
Physical Properties
ValueUnitsTest Method / Conditions
Density1.03 g/cm³g/cm³DIN 51757 at 20°C
Flash Point66.0 °C°CEN 22719
Viscosity5.0 mPa.smPa.sDIN 53015 at 20°C
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Density (SDS)1.03 g/cm³g/cm³DIN 51757 at 20°C
Flash Point (SDS)66.0 °C°CDIN EN ISO 2719
Flash Point (SDS)66.0 °C°CPensky-Martens Closed Cup (PMCC)
Viscosity (SDS)5.0 mPa.smPa.sDIN 53015 at 20°C