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

Wacker GENIOSIL XB 502 SMP Adhesive

Wacker GENIOSIL XB 502 SMP Adhesive is a one-component, moisture-curing silane-terminated polymer adhesive offering excellent adhesion to diverse substrates, high elasticity, UV resistance, and low VOC emissions—ideal for automotive, construction, and industrial bonding applications without primers or solvents.
  • wacker geniosil xb 502 smp adhesive_def0661f
  • wacker geniosil xb 502 smp adhesive_def0661f

Features Of Wacker GENIOSIL XB 502 SMP Adhesive

  1. One-component, moisture-curing silane-terminated polymer (STP) adhesive with no isocyanates or solvents.

  2. Excellent adhesion to challenging substrates including untreated aluminum, galvanized steel, and coated metals without priming.

  3. High initial tack and rapid green strength development for improved production efficiency.

  4. Outstanding weather resistance, UV stability, and long-term elasticity under thermal cycling and mechanical stress.

  5. Low modulus formulation enables high flexibility and superior joint movement accommodation (±25%).

Typical Applications Of Wacker GENIOSIL XB 502 SMP Adhesive

  1. Structural bonding of metal panels in transportation vehicles (buses, railcars, and trailers).

  2. Assembly of insulated metal panels (IMPs) and sandwich panels in architectural cladding systems.

  3. Sealing and bonding of HVAC components exposed to outdoor conditions and vibration.

  4. Mounting of exterior signage, trim, and decorative elements on metal and composite facades.

  5. Adhesive bonding in modular building and prefabricated construction units.

Specifications Of Wacker GENIOSIL XB 502 SMP Adhesive

Chemical TypeSilane-terminated polymer (STP), non-isocyanate
Product FormPaste, thixotropic, cartridge-ready
AppearanceOff-white to light gray, homogeneous paste
Primary ApplicationsStructural bonding and sealing of metal substrates
Key FeaturesPrimerless adhesion, fast green strength, high flexibility
BenefitsReduced processing steps, VOC-compliant, durable outdoor performance
Curing MechanismMoisture-cured at ambient temperature
Storage Stability12 months in unopened original packaging at ≤25 °C


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