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Master Bond adhesives
Wacker Geniosil® STP-E 35 Hybrid Polymer
Categories: Fluid; Other Engineering Material; Additive/Filler for Polymer; Polymer

Material Notes: CAS No.: 216597-12-5

Properties: Silane-terminated polymers are important in moisturecuring systems. Systems based on silane-terminated polyethers and polyurethanes are well established alongside the widespread silicone sealants and polyurethane adhesives. Silane-terminated systems have not only advantages of easy processing and high stability of the formulations, but also very good mechanical properties and adhesive strength that can be adjusted within a broad range. The curing of GENIOSIL® STP-E 35 with the release of methanol leads to elastic vulcanizates. Formulations with GENIOSIL® STP-E 35 are characterized by the following advantages:

  • Simple compounding with conventional auxiliaries.
  • Low viscosity in formulations
  • High mechanical strenght with very good elastic recovery and high elasticity.
  • Rapid curing.
  • Broad adhesion profile
Special features: GENIOSIL® STP-E 35 is a silane-terminated polyether with trimethoxysilylpropylcarbamate terminal groups. GENIOSIL® STP-E 35 hydrolyzes in the presence of moisture to form silanols, which can then react with themselves to produce siloxanes. It´s a clear, colorless viscous Oil.

Application: GENIOSIL® STP-E 35 is used as a reactive binder for adhesives and sealants, potting compounds and as additive in coatings. Curing takes place in the presence of water or atmospheric humidity. Depending on the formulation, either one-part or two-part systems can be prepared:

  • Elastic adhesives in structural and automotive engineering.
  • Assembly adhesives
  • Overpaintable sealant for construction.
  • Mold-making and potting compounds.

Information provided by Wacker Chemie AG.

Vendors:
Available Properties
  • Density
  • Viscosity, DIN 51562, dynamic
  • Flash Point, EN 22719
  • Ignition Temperature, DIN 51794, liquids
  
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Plastic

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