Bus and Coach

Bus and Coach

Body Structure

Bus and coach manufacturers utilise a wide range of materials and processes in the assembly of the body structure. Sika provides a range of material technologies ideally suited to these challenging and diverse environments. Sika’s sealants and adhesives are easy to combine with other joining technologies. Flexibility, durability and a reduction in the number of spot welding points are just some of the advantages provided by sealing and bonding technology.
Sikaflex sealing materials are easy-to-use one-component formulations and provide good tooling properties. SikaPower body shop adhesives and sealants are heat-curing products based on one- and two-component PUR-epoxy hybrid technology. SikaPower suit the requirements of applications as diverse as anti-flutter, hem flange, stiff structural bonding and crash-resistant spot weld applications.

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Bonding & Sealing for Floor, Side Panels, Luggage Doors, Roof & Front and Rear Module

Bus and coach operators expect high levels of durability from their vehicles. Resistance to impact, extreme temperature conditions and round the clock operation make extreme demands on all areas of the vehicle. Sika has formulated a range of elastic bonding solutions for floor and side panel assembly to enable vehicle manufacturers to satisfy these challenging demands.
Sikaflex provide high-performance elastic assembly within an easy-to-use one-component formulation. Sikaflex hybrid technology provides the high performance of Sikaflex polyurethane systems combined with reduced substrate preparation and improved ecological benefits. SikaFast two-component methyl methacrylate and ADP (Acrylic Double Performance) structural adhesives provide high strength and excellent impact resistance with low surface preparation.

Direct Glazing

For over 20 years, Sika has been providing bus & coach, automotive, truck and rail OEM assembly lines with adhesive and sealant solutions for sealing, bonding and direct glazing. Primerless, manual and automated pretreatment options are available to fit the needs of a variety of OEM application processes in order to create significant cost savings and manufacturing process simplification.
Sika offers a wide range of adhesive technologies to suit all direct glazing applications. Specific Sikaflex solutions are available to suit cold, warm and hot application processes. Proprietary Sikaflex materials are capable of retaining the glass in position following installation, allowing for elimination of secondary clips, fixings and tape. Sikaflex materials can also provide low electrically conductive properties for elimination of galvanic corrosion/antenna signal loss.

Interior Trim

Vehicle owner operators have driven a significant increase in interior comfort and functionality in recent years, requiring the use of an increasingly diverse mix of interior plastics and fabrics. Performance requirements for interior components have increased, with higher operational temperature requirements, improved emissions and environmental performance needs and reduced component cost and cycle time in production. Sika has developed several hot melt, solvent based and water based solutions to create strong adhesion to many substrates. SikaMelt, SikaTherm and SikaSense technologies are used in the lamination and bonding of a variety of interior applications including instrument panels, interior door trim, carpet,pillar trim,head liners,centre consoles,stowage bins and seat assemblies.
SikaMelt offers customers a range of formulations to meet a variety of substrate and process requirements. SikaMelt provides good initial green strength without pretreatment, and is ideal for high speed assembly operations. SikaTherm water based adhesives are high performance single- and dualcomponent polyurethane dispersion systems suitable for manual or automated application. SikaTherm formulations are suitable for pressure and vacuum lamination, and are capable of meeting the highest durability and long term ageing standards. SikaSense is a traditional solvent based adhesive developed for high performance pressure sensitive adhesive dispersions used for tape and sound damping applications.

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Acoustic Management

Truck operators and government bodies are demanding ever lower standards of interior and exterior vehicle noise. Sika has formulated two high technology solutions to facilitate significant reductions in vehicle noise by absorption of vibration within the vehicle body.
SikaBaffle is a pre-shaped molded thermoplastic or extruded rubber based product used to significantly improve acoustic performance. SikaBaffle is inserted in the vehicle structure during body shop assembly and expands during exposure to the E-Coat/KTL oven.
SikaDamp products are twin layer lightweight acoustic pads based on butyl rubber. They are used to damp vibrations in vehicle body panels and are available with different acoustic ratings to suit specific types of application. SikaDamp pads are machine punched to the required size and shape.
Sikaflex one-component polyurethane and hybrid sealants are typically applied in the trim shop environment and provide an excellent barrier to moisture and external noise ingress from outside the cabin.

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