The Universal Selection Source:
Adhesives Ingredients
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Polymer ST 80

Technical Datasheet | Supplied by Evonik
Polymer ST 80 by Evonik is a high quality plasticizer-free silane-terminated polymer. Offers high bonding strength combined with exceptional surface hardness after curing. It is a labelling-free raw material due to regulatory requirements. Polymer ST 80 is suitable for high modulus adhesive formulations used for as an alternative to 2K-polyurethanes and epoxies. It has a shelf life of 9 months.

Polymer ST 80

Technical Datasheet | Supplied by Evonik
Product Type
Silyl-modified Polymers (SMP)
Chemical Composition
Silane-terminated polymer
Transparent, Colorless
Product Status
Applications/ Recommended for

Polymer ST 80 Properties


Value & Unit
Test Condition
Test Method
20000 mPa.s
Tensile strength (in formulation)
10 N/mm²
Elongation (in formulation)
30 %
Shore A Hardness (in formulation, ca. Shore D 25)

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