KOREOX PRB series(Reverse Block copolymers)
- KOREOX PRB Series is reverse block copolymer with terminal secondary hydroxyl groups, and is a non-ionic surfactant with 100% activation and low-toxicity.
● Features
▶ Outstanding lubricity
▶ Low foamability and anti-foaming
▶ Low tendency of gelation
▶ Low reactivity and acidity due to terminal secondary hydroxyl groups.
● Application
Application | Metal Working Fluid Cleaning agent |
|---|
● General Properties
Item | Test method | Unit | PRB172 | PRB174 | PRB252 |
|---|
Appearance | ASTM E284 | | clear | clear | clear |
Viscosity at 40℃ | ASTM D445 | cSt | 190 | 220 | 290 |
cloud point *1 | ASTM D2024 | ℃ | 36 | 47 | 27 |
Molecular weight | Calculated | | 2150 | 2200 | 3150 |
Water | ASTM E203 | % | 0.2 | 0.2 | 0.25 |