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PTMEG 2000 Used in the Production of Convention Polyurethane Elastomer

PTMEG 2000 Used in the Production of Convention Polyurethane Elastomer

PTMEG 2000 Used in the Production of Convention Polyurethane Elastomer

Product Details:

Place of Origin: CHINA
Brand Name: ExceedChem
Certification: ISO9001:2008
Model Number: PTMEG 2000

Payment & Shipping Terms:

Minimum Order Quantity: 1000kg
Price: FOB QINGDAO USD3.6/kg
Packaging Details: 200kg/drum, ISO tank
Delivery Time: within two weeks after confirming the order
Payment Terms: T/T, L/C at sight
Supply Ability: 1000tons per year
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Detailed Product Description
Appearance: Clear Liquid CAS NO.: 25190-06-1
Molecular Weight: 2000 Application: Used Extensively In The Production Of Convention Polyurethane Elastomer, Such As Spandex Fiber, Coating Agent Of Artificial Leather, Thermoplastic Polyurethane (TPU), Thermoplastic Polyester Elastomer And Others (adhesive, Foam Etc.)

PTMEG 2000 Used in the Production of Convention Polyurethane Elastomer

1. Introduction

PTMEG 2000 is nominal 2000 molecular weight diol based on THF (Tetrahydrofuran) polymerization. It's enhanced reactivity make it well suited to use of polyurethane.

 

2. Manufacturing Process

Monomer: THF                    Polymer: PTMG

C4H8O + H2O → H(OCH2CH2CH2CH2)nOH

 

3. Application
PTMEG is used extensively in the production of convention polyurethane elastomer, such as spandex fiber, coating agent of artificial leather, thermoplastic polyurethane (TPU), thermoplastic polyester elastomer and others (adhesive, foam etc.)

 

4. Specification

Type PTMEG 2000
Appearance Clear liquid
Average Molecular Weight 2000
Viscosity, at 40℃ 600~650
APHA Color ≤20
Hydroxyl Number, mgKOH/g 54.7~57.5
Water Content, % ≤0.01
Acid Value, mgKOH/g ≤0.05
BHT, ppm 200~300

 

5. Physical and Chemical Properties

Form Liquid to waxy
Odor Odorless
Color Colorless
PH value 7
Melting point 27℃
Boiling point ≥250℃
Vapor pressure ≤0.01 mbar (20℃)
Density 0.975g/cm3 (40℃)
Solubility in water Sparing soluble (20℃)

 

6. Package

200kg Steel Drum; ISO Tank Container

 

 

7. Storage 

PTMEG is hygroscopic, meaning it absorbs moisture. This can negatively impact the reactivity of polyurethane and the physical properties of the resulting polymer. Therefore, it should be stored in sealed containers under dry conditions, away from direct sunlight. The recommended storage temperature is between 40°C and 45°C. Opened drums should be resealed immediately after use.

 

8. Handling Precautions

While PTMEG has a low odor and acute toxicity, standard industrial hygiene practices should be followed when handling it. Wear appropriate protective clothing and safety glasses to prevent unnecessary contact and accidental ingestion. In case of skin or eye contact, rinse thoroughly with water. If eye contact occurs, seek medical attention.

 

9. Fire and Explosion Hazard

PTMEG polyether glycol can burn under certain conditions and may explode if heated to decomposition temperatures in a confined space. Polyol fires can be extinguished with water fog, carbon dioxide, or dry chemicals.

 

Contact Details
Qingdao Exceed Fine Chemicals Co.,Ltd

Contact Person: Mr. louis.liu

Tel: 86-532-82693198

Fax: 86-532-82693196

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