POLYOX™ WSR 303 - Specialty

1 of 29 products in this brand
POLYOX™ WSR 303 - Specialty a white powder, is used in gels, osmotic pump tablets, and regular tablets. It offers viscoelasticity, lubricity, and a silky feel, making it suitable for sprayers, tissue, and toweling. It's water-soluble, compatible with polystyrene and polycaprolactone, and non-toxic.

Chemical Name: Polyethylene Glycol, Polyethylene Oxide, Pyrogenic Silica

Polymer Name: Polyethylene Glycol

CAS Number: 25322-68-3

Chemical Family: Ethylene Oxide Copolymers, Non-Ionics, Polyethers, Polyethylene Glycols, Polyglycols

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Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Properties

Color (Properties)
Physical Form
Soluble In
Physical Properties
ValueUnitsTest Method / Conditions
pH (at 25°C, 1% aqueous solution)8.0 - 10.0--
Volatiles (at 105°C, 45 min)max. 1.0%/wt-
Typical Properties
ValueUnitsTest Method / Conditions
Viscosity (at 1% aqueous solution, Brookfield)7,500 - 10,000mPa.sPSM 101962
Alkaline Earth Metals0.0 - 1.0%PSM 102225
Composition
ValueUnitsTest Method / Conditions
Silicon Dioxide Conent0.8 - 3.0%PSM 101992
Butylated Hydroxytoluene Content100 - 1,000mg/KgPSM 102192
Screen Test
ValueUnitsTest Method / Conditions
Screen (<840 micron, through 20 mesh)min. 95%PSM 102261
Screen (<2000 micron, through 10 mesh)min. 100%PSM 102261
Note
  • Alkaline earth metals as CaO.
  • Viscosity - Brookfield RVF, spindle 2, speed 2 rpm, 25°C.
  • PHS - All section names come under PHS

Regulatory & Compliance

Packaging & Availability