Is a product of propylene oxide alkaline polymerization with glycerin and further phosphate-sorbent purification. It is used for production as polyol feedstock for production of different types of polyurethane foams.
Design specification: TU 2226-017-10488057-94
|Hydroxyl number, mg KOH/g||430–480|
|Acid number, mg KOH/g, max.||0.2|
|Water mass content, %, max.|
|- transportation in railway tank-cars||0.1|
|- transportation in drums and other small tare||0.3|
|Dynamic viscosity at 25 °C, mPa.s||400–500|
Supply form: Transparent viscous liquid.
Packaging: Laprol 373 is shipped in railway tank-cars and aluminum, steel or polymer drums and churns.
Transportation: Laprol 373 is transported by all means of transport.
Storage: Laprol 373 stored in sealed containers, depots under nitrogen pressure and sheltered warehouses at temperature not exceeding 40 °C. Storage under shed or at an open site is allowed providing there is protection against direct sun-rays, atmospheric precipitation, contamination and mechanical damage.