ERIKS O-Ring PU (Polyurethane)
ERIKS O-Ring PU (Polyurethane)
Manufacturer: ERIKS
Color: Yellow
Hardness: 90 Shore
Temperature Range: -40°C to +82°C+
Typical Uses: High mechanical and physical resistance, abrasion resistance. Sensitivity to water and humidity.
Polyurethane – PU
Polyurethane is a polymer that can be defined as both thermoplastic and thermosetting. It is produced through a polymerization reaction by compressing isocyanate and materials with hydroxyl groups, such as polyol. Polyurethane can have a chemical structure as either a thermoplastic or thermosetting polymer, with physical properties that range from rigid solid to soft elastomer; it can also be formed into foams, such as mattresses and sponges.
The chemical composition of polyurethane is very broad, and the ratio of hydroxyl groups to isocyanate groups in the polymer structure determines the properties of the resulting polyurethane. One of the notable properties of polyurethane is its ability to withstand impact at low temperatures. It is also characterized by resistance to abrasion, tearing, ozone, oxidation, and humidity.
Thermoplastic polyurethane is not resistant to fuels, ketones, steam, esters, strong acids and bases, ultraviolet radiation, and destructive environmental conditions, although it is resistant to diluted acids and bases as well as aliphatic hydrocarbons. The recommended temperature range for use is around 100 degrees Celsius.