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www.sika.com/industry

Our most current General Sales Conditions shall apply. Please consult themost current local Product Data Sheet prior to any use.

SikaWorldwide

Sika is a globally active company supplying the specialty chemicals markets. It is a leader in processing materials used in sealing,bonding, damping, reinforcing and protecting load-bearing structures in construction (buildings and infrastructure construction)and in industry (vehicle, building component and equipment production).

Sika’s product lines feature high-quality concrete admixtures, specialty mortars, sealants and adhesives, damping and reinforcingmaterials, structural strengthening systems, industrial flooring and membranes. Subsidiaries in more than 74 countries worldwideand approximately 13,500 employees link customers directly to Sika.

Sikaflex ®

Hybrid Sealants and Adhesives Adaptable Flexibility

Sikaflex®-515 Sikaflex®-521 UV Sikaflex®-529 AT Sikaflex®-552 Sikaflex®-553 2K Sikaflex®-554 Sikaflex®-555

Open time (min) 20 30 15 45 20 20 10

Tensile strength (MPa)

1 2 1 3 3 3 6

Elongation (%) 350 400 200 300 350 300 300

Primerless to metals

+++ +++ +++ +++ +++ +++ +

Primerless to Polyester / FRP

+++ +++ ++ ++ ++ ++ +

Primerless to aluminium

+++ ++ ++ +++ ++ +++ +

Sagging ++ ++ ++ +++ ++ ++ +++

Application pro-perties Cut-off string, sagging, extrusion force

++ ++ +++ +++ ++ +++ +++

Remarks Multi-purpose sealant

Exellent UV stability

Sprayable & brushable seam

sealer

Multi-purpose asembly adhesive

Adhesive pump-able over 20m

BoosterableToolable

Direct Glazing Adhesive

The Product Range

Sika’s PUR Hybrid -500 Series is a unique range of adhesives and sealants that combine the strength of polyurethane technology with the durability of modified silicones. The Hybrid -500 Series can be used for all bonding and sealing applications, with the added benefit of adhesion to a wide range of substrates with less surface preparation.

+++ Excellent ++ Good + Acceptable

Fields of Application

Sikaflex® PUR-Hybrid sealants and adhesives are used for a wide variety of internal and external applications in the Bus, Rail, Trailer, Caravan, Agricultural, Special Vehicles as well as in Appliances and Components markets. Regardless of whether the application is internal or external, sealing or bonding, Sika can offer a solution for every application.

Products and Key Features

The Sikaflex® PUR-Hybrid Technology is a combination of the well proven and successful Sika PUR Technolo-gy and modified silicone technology. The big advantage of this hybrid chemistry is that the Sika development has retained the best properties of both technologies.

Floor sealing Chassis sealing Body sealing

Sikaflex®-515 Fast skinning multi-purpose adhesive sealant Fast skinning Excellent application properties Good weathering and thermal stability

Sikaflex®-552High performance assembly adhesive Capable of withstanding high dynamic stresses Excellent application properties Good extrudability

Side panel bonding Roof bonding Floor bonding Mask bonding

Windscreen bonding Side window bonding

Component sealing Sikaflex®-521 UVHighly weathering resistant adhesive sealant Excellent UV resistance Over-paintable Colour stable

Sikaflex®-553 2KMulti-purpose assembly adhesive Long working time combined with fast curing Sealing and bonding in one operation Pumpable over long distances

Sikaflex®-555Primerless direct glazing adhesive No pre-heating Short cut of string Good non-sag properties

Component sealing and bonding General assembly

Backlight bonding Sunroof bonding

External sealing Internal sealing

Sikaflex®-529 ATSprayable sealant for vehicle bodies

Sprayable and brushable Over-paintable Fast drying

Sikaflex®-554 Booster High performance accelerated assembly adhesive Long working time combined with fast curing Good over-paintability Good gap filling properties

Trailer bonding External panel bonding and sealing Internal panel bonding and sealing

Windscreen bonding Side window bonding

Advanced Technology - Multiple Benefit

Sikaflex® PUR-Hybrid sealants and adhesives are based on a new technology developed by Sika. Here, raw materials, processes and products have been carefully selected to advance the working properties and performance of the end product. Sika has also ensured that this product range complies with the latest ecological and environmental requirements. These developments are based on Sika’s extensive experience with elastic bonding and sealing, and uses alternative adhesive technologies to achieve the same high standards in productivity and cost efficiency for customer applications.

Primerless adhesion to most substrates commonly used in Transportation

robust and secure adhesion with minimal substrate preparation and therefore faster application Outstanding application properties (e.g. shorter cut-off string)

easy, fast and clean application Ageing and weathering resistant

long-lasting joints, improved aesthetic appearance Excellent smoothing / tooling properties at both low and high temperature

reduction in time and effort Environmentally friendly

solvent-, isocyanate-, silicone- and PVC-free Safe to work and use

non-hazardous, low odour, less need for chemical agents, well proven packaging