introduction to pu polyurethane rubber
polyurethane rubber has excellent abrasion resistance and good airtightness, the operating temperature range is generallyis -20~80℃. in addition, it also has moderate resistance to oil, oxygen and ozone aging, but is not resistant to acids, alkalis, water, steam and ketones. suitable for manufacturing various rubber sealing products, such as oil seals, o-rings and diaphragms. polyurethane…
