ISO 8331:2016 pdf free download.Rubber and plastics hoses and hose assemblies Guidelines for selection, storage, use and maintenance Tuyaux etfiexibles en caoutchouc et en plastique — Lignes directrices pour Ia selection, le stockage, l’utilisation et Ia maintenance. 5.8 Automotive hoses Hoses and hose assemblies used on automobiles are exposed to, and should be made resistant to or protected from, hostile environments, such as: a) the conditions of their location, for example under the bonnet (hood), where they can come into contact with fuel oils, lubricating oils, battery acid, etc., be exposed to heat from the engine or be exposed to an ozone-enriched atmosphere; b) the conditions in which the vehicle may be required to operate, such as extremes of temperature and humidity or splashing with sand, mud, gravel, snow, ice, etc.; c) movements between parts of the vehicle to which the hoses or hose assemblies are connected, and vibration. In the conditions given above, it is recommended that the hoses and hose assemblies be protected by shields wherever possible. Where the installation involves severe bends or where the fixing points are in different planes, the use or formed (shaped) hose should be considered. Hoses installed at bend radii less than…