Polyester polyol price

When comparing prices, you must analyze the Hydroxyl Value (mg KOH/g) and Acid Value, as these directly impact the reactivity and final properties of the polyurethane. Additionally, viscosity at specific temperatures and molecular weight distribution are critical; a lower price might indicate higher moisture content, which can ruin your formulation. Always request a Certificate of Analysis (COA) to ensure the product meets your specific functionality requirements (e.g., diols vs. triols).

The price varies significantly based on the end-use. Saturated polyester polyols used for high-performance coatings, adhesives, and elastomers (CASE) typically command a premium due to their superior UV resistance and mechanical strength. In contrast, grades intended for flexible or rigid foams may be more price-competitive but require strict adherence to flame retardancy standards like UL 94 or ASTM E84. Ensure the supplier specifies if the polyol is derived from adipic acid or phthalic anhydride, as chemical precursors fluctuate in market value.

Since Polyester Polyols are chemical substances, they must comply with REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) for European markets and TSCA for the US. Ensure the supplier provides a comprehensive Safety Data Sheet (SDS) according to GHS standards. For food-contact applications or medical-grade elastomers, verify FDA compliance or ISO 10993 certifications to avoid legal and safety risks.

The price of Polyester Polyol is highly sensitive to crude oil prices and the cost of raw materials like Adipic Acid and Glycols. To secure stable pricing, consider long-term supply contracts or formula-based pricing tied to market indices. On Made-in-China.com, you can identify Gold Suppliers who offer price protection for bulk annual volumes.

Polyester Polyols are typically shipped in ISO tanks, IBC drums, or 200L steel drums. Ensure the packaging is moisture-proof, as polyols are hygroscopic; exposure to air can increase water content and degrade quality. Verify the Incoterms (e.g., CIF vs. FOB) and ensure the forwarder is experienced in handling non-hazardous or hazardous liquid chemicals to prevent port delays or leakage liabilities.

Always use Trade Assurance or Escrow services provided by platforms like Made-in-China.com to protect your payment until delivery. For quality assurance, mandate a pre-shipment inspection (PSI) by third parties like SGS or Intertek to verify that the batch matches the approved sample. This prevents the common risk of 'sample-to-bulk' quality variance in chemical manufacturing.