Introduction:

Dow Chemical's POLYOX WSR 301 polyethylene oxide (PEO) is a white to grayish white, flowable, non-ionic polymer in fine powder form. It is stable, resists decomposition, dissolves completely, and has a faint odor. POLYOX WSR 301 PEO offers lubricity, water retention, adhesion, film-forming properties, and thickening capabilities.

Detailed specifications:

1. Common Names: Polyethylene Oxide, Polyoxyethylene Ether, Polyethylene Glycol 90M

2. English Name: Polyethylene Oxide, Abbreviated as PEO

3. Chemical Structure: - (CH2-CH-O- n-CH2-CH-O-)

4. Appearance: White or gray to pale yellow powder

Purity: >96%

6. Molecular Weight: 4,000,000

Particle Size: >96% passing 10 mesh, >96% passing 20 mesh

8. Viscosity: 1650-5500 centipoise (1% water solution; testing instrument: RVF viscometer, 25°C, rotor speed 2 rpm)

9. Alkaline Earth Metals: <0.3% (Test Method: Combustion Loss Method; 550°C, 30 minutes, combined with Silica Oxide testing)

Silica: <1.5% (Test Method: Loss on Ignition; 550°C, 30 minutes, combined with alkaline earth metals)