Laprol 373. Polyether polyol.
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
| Property | Value |
|---|---|
| Hydroxyl number, mg KOH/g | 430–480 |
| Acid number, mg KOH/g, max. | 0.2 |
| pH | 5.5–7.5 |
| 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.
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