This specification2 covers seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service. Today, we'll dissect what IP66, IP67, IP68, and IP69 mean, how they compare to each other (and even to 5ATM), and which one might be best for your needs. IP stands for Ingress Protection —a global standard that defines how well a device resists dust and water. It's defined by the. The Mercosur standards association (Asociación Mercosur de Normalización, AMN) is comprised of the standards setting bodies from Argentina, Brazil, Paraguay, and Uruguay and is located in Sao Paulo, Brazil. The AMN develops voluntary standards through 16 technical committees and harmonizes regional. Every modern flagship smartphone and premium accessory boasts an IP68 rating. It sits on the spec sheet as a promise of durability against the elements. Yet that alphanumeric code creates dangerous confidence for many users. The “IP” is followed by two digits (sometimes extended with letters), denoting protection levels against solid ingress (dust, particulates) and liquid ingress (water. Discover the superior quality and performance of the Carel NTC−FUHLER CAREL 6M, IP68 −50/+105 MIT METALLKAPPE 6X40MM with Onrion LLC in Uruguay. The NTC−FUHLER CAREL 6M, IP68 −50/+105 MIT.