Description
HQEE Aromatic Diol Polyurethane Chain Extender
CHLUMICURE® HQEE, CAS 104-38-1. HQEE is a solid aromatic diol used as a polyurethane chain extender. Supplier application guidance recommends it for compatible MDI-based prepolymers and elastomer formulations.
Product Identification
| Brand | CHLUMICURE® |
|---|---|
| Model | HQEE |
| Chemical Name | Hydroquinone bis(2-hydroxyethyl) ether |
| CAS No. | 104-38-1 |
| Chemical Class | Solid aromatic diol |
| Molecular Formula | C10H14O4 |
Applications
- Cast polyurethane elastomers for forklift tires and industrial wheels.
- Hydraulic-cylinder and oil-well seals, and conveyor-belt components.
- Thermoplastic and millable polyurethane elastomers, subject to formulation validation.
Published Supplier Reference Data
The following values are reported for the reference supplier’s grade and are provided for preliminary selection only. They are not confirmed CHLUMICURE® sales specifications or lot test results. Obtain the current specification and COA for the grade offered before ordering.
| Appearance | White granules |
|---|---|
| Purity (GC) | ≥99.0% |
| Hydroxyl value | 560 ± 5 mg KOH/g |
| Melting point | ≥102.0 °C |
| Water content | ≤0.10% |
Grade Selection and Processing
Check melting and mixing conditions, hydroxyl equivalent balance and the working time of the selected prepolymer. This listing is for solid HQEE, not a liquid HQEE-L mixture. Performance and processing comparisons depend on the full formulation and must be tested.
Tell us the resin or prepolymer type, processing method and required end-use properties. Agree the reactive-group balance, working time and cure conditions with your formulation team. No universal dosage or guaranteed finished-product performance is specified here.
Packaging, Storage and Safety
Package size, availability, lead time and shelf life are subject to confirmation in the quotation. Request the current TDS, SDS and available batch COA. Follow the supplied SDS and label for storage, protective measures, transport and disposal. This product page does not replace safety documentation.
Request Pricing or Samples
Quote CHLUMICURE® HQEE, CAS 104-38-1, and provide your application, quantity and destination. Use the inquiry form below or contact info@longchangchemical.com.
Related Products
Explore CHLUMICURE® Curing Agents & Chain Extenders
Technical Reference
Public product information reviewed on 24 September 2026: Suzhou Xiangyuan — XYlink HQEE. Reference brands identify the source only; affiliation, identical grade specifications and interchangeability are not implied.
