SINTEPOL 490 – polypropylene glycol on the basis of sucrose with an average molecular weight 500 and functionality 4,5. It is used in the production of two-component rigid polyurethane, polyurethane-foam, polyurethane-polyisocyanurate foam systems, which are used for the manufacture of thermal insulation material in the production of «sandwich panels», household refrigerators, commercial refrigeration equipment, thermally-insulated pipes, sprayed seamless thermal insulation, as well as in the production of molded products from rigid polyurethane foam.
|№||Parameter, unit of measurement||Standard value||Method|
|1||Appearance||Viscous homogeneous liquid from light yellow to brown||TU cl. 5.2|
|2||Hydroxyl number, mg KOH/g, within the range||480-520||GOST 25261|
|3||Аcid number, mg KOH/g, not more than||0,20||GOST 25210, TU cl. 5.3.1|
|4||Index of activity of hydrogen ions, pH, units, within the range||5,5-7,5||GOST 25241|
|5||Mass fraction of water, %, not more than||0,2||GOST 14870, ASTM E203-08, TU cl. 5.4.1|
|6||Dynamic viscosity at temperature of 25°С mPa *s, within the range||5500-9500||GOST 33, TU cl. 5.5|
Packing: Aluminum, steel or polymer drums and jugs, IBC polymer containers, steel specialized containers.
Shipment: All means of transport.
Storage: Polyether-polyol is stored in hermetically sealed storage containers, under nitrogen pressure in covered warehouses at temperature not lower than 15°С in conditions that exclude moisture and dirt. It is allowed to store the product under roof or in an open area (external uncovered storage), providing protection of the product from direct sunlight, atmospheric condensation, pollution and mechanical damage.
Guaranteed shelf life-12 months from the date of manufacture in hermetically sealed supplier's storage containers.