how to clean/treat rubber seals?
The seals on automobile are no longer made from natural rubber. Auto manufacturers use a specialized synthetic material called EPDM, (ethylene propylene diene monomer). Natural rubber or blends that contain rubber cannot endure the direct exposure to ultra violet radiation (UV) and oxidation.
Some vehicle manufacturers such as General Motors also recommend a light application of silicone dielectric grease to weather-stripping to reduce noise. EPDM has extremely poor resistance to solvents and oils.
Do not use a cleaner or any chemical product that contains oils or Dimethalsilicone (DMS) usually a clear greasy liquid, which leaves a never-dry gloss film, as most contain petroleum distillate solvents that are that are incompatible with EPDM.
For dull or faded seals or window mouldings- remove imbedded white stains in vinyl and rubber mouldings; first wipe the mouldings with a multi-purpose cleaner. P21S® Total Auto Wash or 1z Plastik Reiniger (Deep Cleaner) both products are excellent for this task. This removes any wax / polish / silicone debris and dissolves surface stains.Protection - with 1z einszett Vinyl Rubber Care & Potectant "Tiefenpfleger” provides a temperature-resistant seal and a low-shine matte finish Dust-resistant and retards the fading effects of UV rays to keep exterior ‘rubber’ and vinyl looking like new. Apply (every three months) with a micro fibre towel or applicator pad and give the trim a quick once over.
Use a product that contains glycerine(Swissvax Seal Feed or Zymol Seal) a natural plant anti-oxidizing agent for dull or fa ded ‘rubber’ (EPDM) seals or window mouldings: along the top edge of the door, where the window enters and exits the door there is a gasket, fully roll down the window and use a micro fibre towel and clean in between the rubber seals on both sided of the window.
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Last edited by TOGWT; Mar 23, 2011 at 08:11 AM.




