Is a product sequential addition to ethylene first of propylene oxide and then ethylene oxide in the presence of an alkaline catalyst. It is used for production of reagents-demulsifiers and of polyurethane foams.
Design specification: TU 2226-039-05766801-2000
|Hydroxyl number, mg KOH/g||25.0–33.0||27.0–35.0|
|Iodine number, I mg/100 g, max.||2.5|
|Indicator hydrogen ion activity, pH||5.5–7.5||–|
|Dynamic viscosity at 50 °C, mPa.s||210–300|
|Enlightenment temperature, °C||55–70|
Supply form: Transparent viscous liquid without mechanical impurities from colorless to yellow color.
Packaging: Polyether 4202-2B-30 is packed according to OST 6-05-460, sections 3,4.
Transportation: Polyether 4202-2B-30 is transported in covered vehicles in accordance with goods transportation rules, operating in this mode of transport.
Storage: Polyether 4202-2B-30 stored in covered warehouses at a temperature not exceeding 50 °C. It is allowed to store polyether 4202-2B-30 under a canopy or on a planned site, protected from atmospheric precipitation. It is recommended to store polyethers in an atmosphere of inert gas in hermetically sealed containers.