Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Wacker GENIOSIL XB 5 Silane Modified Polymer

Wacker GENIOSIL XB 5 Silane Modified Polymer is a one-component, moisture-curing polymer offering excellent adhesion to diverse substrates without primers. It delivers high elasticity, UV resistance, and low VOC emissions. Ideal for structural glazing, façade sealing, and high-performance joint applications in construction and automotive sectors.
  • wacker geniosil xb 5 silane modified polymer_d196ae16
  • wacker geniosil xb 5 silane modified polymer_d196ae16

Features Of Wacker GENIOSIL XB 5 Silane Modified Polymer

  1. Non-isocyanate, silane-terminated polymer offering excellent adhesion to diverse substrates including concrete, metal, and glass.

  2. Low VOC content and solvent-free formulation compliant with stringent environmental and occupational health regulations.

  3. Outstanding elasticity and long-term durability under thermal cycling and UV exposure.

  4. Moisture-curing mechanism enables easy on-site application without specialized equipment or mixing.

  5. Good compatibility with common fillers, plasticizers, and pigments for tailored compound formulations.

Typical Applications Of Wacker GENIOSIL XB 5 Silane Modified Polymer

  1. High-performance construction sealants for façade joints and expansion gaps.

  2. Structural glazing adhesives in curtain wall systems.

  3. Industrial bonding solutions for automotive trim and interior modules.

  4. Sealant base for prefabricated concrete element assembly.

  5. Modifying agent for hybrid polymer mortars and grouts.

Specifications Of Wacker GENIOSIL XB 5 Silane Modified Polymer

Chemical TypeSilane-terminated polyether (STPE)
Product FormPaste-like, viscous liquid
AppearancePale yellow to amber, homogeneous
Density (20 °C)Approx. 1.02–1.04 g/cm³
Viscosity (25 °C, Brookfield LVT, Spindle #4, 12 rpm)150,000–250,000 mPa·s
Shelf Life (unopened, 5–25 °C)12 months
Primary ApplicationsSealants, structural adhesives, hybrid mortar modifiers
Key FeaturesIsocyanate-free, moisture-curing, high adhesion, UV stable


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