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Transportation
Exterior Component Bonding and Sealing

Rail vehicle manufacturers face tough, complex challenges in the design and assembly of the roof and mask systems for modern rail vehicles. High speeds, harsh climates and aerodynamic structural design stresses within the vehicle are all examples of the daily demands placed on elastic adhesives.

Sika provides high performance elastic assembly solutions, with a range of specifically formulated and optimised adhesives, developed to suit the needs of the rail vehicle designer. Sika also offers the rail vehicle manufacturer bonding and sealing solutions that meet both production and process requirements for fast cure, ease of use, consistent quality and cost. Sikaflex polyurethane and hybrid polyurethane adhesives and sealants provide high performance elastic assembly and sealing of components, with a user-friendly, one-component formulation. Sikaflex hybrid technology provides the high performance of Sikaflex polyurethane systems combined with reduced substrate surface preparation. SikaFast two-component adhesives offer high strength, rapid de-jigging and cure times, good impact resistance, and low substrate surface preparation. The SikaForce range of products offers semi- and full-structural adhesive solutions for bonding a wide spectrum of substrates used in rail vehicle interior assembly, such as metals, plastics, glass and coated steel.

Transportation Industry
Rail
Direct Glazing
Exterior Bonding ...
Interior Component Bonding
Interior Sealing and Fire ...
Floor Bonding

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Why Seal and Bond Exterior Components?
   
- Bonded assemblies can provide a lower weight solution than mechanically fastened systems
- Elastic adhesive systems absorb noise and vibration, improving interior and exterior noise levels
- Modular assembly techniques can be applied
  Elastic bonded structures are more able to withstand shock and impact
 
Technological Benefits
   
- Improved aesthetics and aerodynamic efficiency
- Excellent resistance to harsh climatic conditions
- Improved water and leak resistance
- Improved sound and vibration damping
 
Best Recommended Sika Products
Features & Benefits
Sikaflex-254 Booster
Fast curing; ‘fail-safe’ systems cures even in the absence of Sika Booster Paste; good mechanicalproperties and adhesion
PDS MSDS

Sikaflex-252
Structural assembly adhesive for flexible joints subjected to dynamic stresses

Sikaflex-265
Suitable for both bonding and sealing applications. Extremely easy to use, solventfree, with large gap filling capabilities. These lead to excellent aesthetics with a smooth surface finish. The rail industry standard direct glazing adhesive
PDS MSDS

Sikaflex-222 UV
UV-resistant, ideal for use with organic glass or open joints; easy application; suitable for bonding andsealing; compatible with PC (polycarbonate) and PMMA
(polymethylmetacrylate) with proprietary Sika surface
preparation system; high elasticity and low modulus
PDS MSDS

Sikaflex-552
UV-stable assembly adhesive for sealing and bonding, excellent adhesion properties, ecology friendly; suitablealso for exterior joints
PDS MSDS

SikaFast-3000 Series
High tensile properties, elasticity and impact resistance; excellent adhesion profile; gap-filling capability

SikaForce-7550
Two-Component, high-strength elastic assembly adhesive
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