Part Description
Putoline, DOT 5 silicone brake fluid. 500cc
500cc bottle. A silicone based brake fluid. It offers a very high dry boiling point that exceeds 260°C, is non-aggressive and safe for paint, plastics surfaces, clothing and such. DOT 5 silicone will not absorb water like regular brake fluids do. DOT 5 silicone is not very foam resistant and therefore not compatible with ABS or ASR systems. DOT 5 silicone cannot be mixed with other brake fluids. Tech tip: If you want to use DOT 5 may be easier to decide if it's right for you with some added knowledge about this type of brake fluid. DOT 5 silicone is non-aggressive for painted surfaces, plastics and has anti-corrosive characteristics, is non-hygroscopic and will therefore not absorb water. Great characteristics for vehicles that are not used much. However, when water accumulates in the brake system over time, and it is not absorbed by the brake fluid, in theory it could create pockets of water which could boil in extreme circumstances. This could result in vapor lock and total brake failure. Since DOT 5 silicone does not absorb water the accumulated water may not fully be removed from the brake system when the brake fluid is changed. DOT 5 silicone may never be mixed with DOT 3 or 4 brake fluids. It is also not compatible with ABS (Anti-lock Brake System) or ASR (Anti Slip Regulation) since it will foam easier. Note that The H-D Motor Company has used DOT 5 up to around 2006, about the time when ABS was introduced...
