Polyether Polyols

Name: Polyether Polyols
SKU: 0

Basic Information

Polyether polyols are oligomers featuring ether linkages in the backbone and multiple terminal hydroxyl groups, primarily produced through the addition polymerization of an initiator and an epoxide. They are core raw materials in the polyurethane industry and are widely used in applications such as foams, coatings, and adhesives.

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Product Details

Chemical Properties

Appearance	Colorless ~ light yellow transparent viscous liquid, no suspended solids
Color (APHA / Gardner)	Flexible foam: ≤50 APHARigid foam: ≤8 Gardner
Viscosity (25℃, mPa·s)	Flexible foam: 300 ~ 1200Rigid foam: 3000 ~ 8000
Hydroxyl Value (mgKOH/g)	Flexible foam: 28 ~ 60Rigid foam: 400 ~ 500
Moisture Content	≤0.05% (Premium grade ≤0.03%)
Acid Value	≤0.10 mgKOH/g
pH Value	5.0 ~ 7.5
Potassium & Sodium Ions (K⁺+Na⁺)	≤5ppm (High-end CASE / Elastomer grade)
Density	1.00 ~ 1.05 g/cm³
Solubility	Miscible with water, alcohols, DMF, esters; insoluble in alkanes
Flash Point	≥200℃
Visual Inspection	High-functionality sucrose type tends to have darker color
GB/T 1722	Darker color indicates more by-products
GB/T 2794	Higher hydroxyl value & functionality lead to higher viscosity
GB/T 12008.3	Core purchasing index, determines crosslink density
GB/T 22313	Excessive moisture causes bubbles & voids during foaming
GB/T 12008.4	Acidity consumes catalyst and impairs curing effect
Potentiometric Method	Amine ether type is alkaline: 8 ~ 11
Atomic Absorption Spectrometry	Metal ions affect storage stability and cause over-catalysis
GB/T 1033	Higher PO content results in slightly lower density
—	Higher EO content brings stronger water solubility
GB/T 261	Combustible, not classified as hazardous chemicals

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FAQ

Q1: What international standards do your products and services comply with?

A1: Our products fully comply with international standards such as REACH, MSDS, and COA, and we strictly implement the ISO9001 quality management system. We can also provide third-party testing reports (SGS, BV, etc.) according to customer needs.

Q2: How long does it take for goods to be delivered to my country?
A2: The delivery time depends on the transport mode and destination country. Generally, sea transport takes 15-30 days, air transport takes 3-7 days, and we will optimize the transport route to shorten the delivery time as much as possible.

Q3: Can you provide customs clearance services for dangerous chemicals?
A3: Yes. Our team is proficient in the customs clearance procedures for dangerous chemicals in various countries, and can provide professional compliant declaration and customs clearance services to ensure smooth customs clearance.

Q4: Do you provide customized product and service solutions?
A4: Yes. We can provide personalized product customization and export service solutions according to your specific needs (product specifications, application scenarios, procurement volume, etc.).

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Polyether Polyols

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