Wholesale Best Selling Grade Polyol Chemical
Polyether polyols' major use is in polyurethane foams. Flexible foams are primarily used in cushioning applications such as furniture, bedding and car seats, and in carpet underlay.
Rigid foam's largest consumer is the construction industry where it is mostly used for insulation.
Rigid foam is also used in commercial refrigeration and packaging. Smaller uses for polyether polyols include elastomers, adhesives and sealants, surface coatings and polyurethane fibres.
| Commodity: Polyether Polyol | |||
| item | unit | spec. | result |
| color | pt-co | ≤50 | 25 |
| hydroxyl value | mgKoh/g | 56±2 | 56.3 |
| acid value | mgKoh/g | ≤0.06 | 0.03 |
| water content | % | ≤0.08 | 0.06 |
| k+na+content | ug/g | ≤5 | 3.6 |
| unsaturation | mol/kg | ≤0.06 | 0.02 |
| viscosity | mPa.s | 400-600 | 530 |
| PH value | ---- | 5.0-7.0 | 6.4 |
Polyether polyol (hereinafter referred to as polyether) is by the initial agent (groups of compounds containing active hydrogen) and ethylene oxide (EO) and propylene oxide (PO), epoxy butane (BO) in the presence of catalyst made by addition polymerization reaction. Polyether production so much for the glycerin (glycerin) as starting agent and epoxide (usually with EO and PO), by changing the PO and EO loading way (plus or separately and mixed), add more than, charging sequence and other conditions, produce all kinds of general polyether
polyols.
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