Transparent Silane-modified Polyurethane (STPU) Sealant Formulation by Evonik

Adhesives Formulation | Supplied by Evonik

Applicable Type

Sealants

Applicable Base Polymer

Silyl-modified Polymers (SMP)

Typical Formulation Ingredients

Phase

Ingredient

Parts by weight

STPU polymer (Polymer ST 48)

xxxx

Plasticizer (Vestinol® 9)

xxxx

Hydrophobic fumed silica (AEROSIL® R 106)

xxxx

Moisture scavenger (Dynasylan® VTMO)

xxx

Adhesion promoter (Dynasylan® 1146)

xxx

Catalyst (Catalyst TD 18)

xxx

Typical Properties

Properties

Viscosity in Pa s (0.1 s-1)

xxxx

Tensile strength (N/mm2)

xxx

Elongation at break (%)

xxx

Processing

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