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SikaGard®-6440 is a durable, thixotropic, rubber-based protective coating with very good rust-proofing and sound deadening properties. It is suitable for an effective underbody and stone chip protection to the vehicle body and convinces with its excellent final performance. Original texture can easily be reproduced.
SikaGard®-6440 shows a good over paintability performance.
A tough coating remains after drying, protecting metal from impact and corrosion.
Surfaces must be clean, dry and free of rust, dust and grease. Bare metal must be pre-treated to enhance corrosion resistance (e.g. uncoated steel, etc).
SikaGard®-6440 can be applied by air-mix guns with an air pressure of 3 - 6 bar. Use either the Sika® SCP Gun (pressure cup type) or the Sika® UBC Gun (vacuum type) to apply the product.
Shake the can approx. 40 times before use. Cover adjacent surfaces prior the spray process. Spray at room temperature and from a distance of approx. 25 cm in an grid motion to build up a continuous coat.
SikaGard®-6440 can be applied without dripping. Apply this product until the desired layer thickness is reached. If a thick layer is required, let layers dry in between. A wide variety of textures can be achieved by altering the spray technique. Do not spray on parts of the brake, engine or exhaust system.
SikaGard®-6440 is over paintable in a dry state (after 24 hours) with commonly used conventional paint systems. Waiting time can be reduced by accelerated drying at max. 60°C. Due to the wide range of paints adhesion and compatibility tests are necessary.