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Polytetramethylene Etherglycol PTMEG-250 Used in Elastomer Block Polymers

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Polytetramethylene Etherglycol PTMEG-250 Used in Elastomer Block Polymers

Name: Polytetramethylene Etherglycol PTMEG250 Used in Elastomer Block Polymers
Brand: EXCEEDCHEM
Price: 4.0 USD

Brand Name : EXCEEDCHEM

Model Number : PTMEG 250

Certification : ISO9001:2008

Place of Origin : China

MOQ : 1mt

Price : 4.0usd /kg

Payment Terms : L/C, T/T

Supply Ability : 100mt/month

Delivery Time : 5-8 work days

Packaging Details : 200KG/DRUM

Product name : PTMEG 250

Appearance : Clear and transparent liquid

Molecular Weight : 250

Application : Polyurethane fiber (spandex), polyurethane elastomer, synthetic Leather, coating, adhesive, sealant, polyester elastomer and polyamide elastomer

Characteristic : Excellent low-temperature elasticity, microbial resistance and hydrolysis stability

Packing : 200kg/drum

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Polytetramethylene Etherglycol PTMEG-250 Used in Elastomer Block Polymers

1. Description

Polytetramethylene etherglycol (PTMEG), also known as polytetrahydrofuran (PTG), is a linear polyether glycol with hydroxyl groups at both molecular ends. It is produced through the ring-opening polymerization of tetrahydrofuran.

2. Application

PTMEG exhibits excellent reactivity and is widely used in elastomeric block polymers, offering superior low-temperature elasticity, microbial resistance, and hydrolysis stability. Its applications include polyurethane fiber (spandex), polyurethane elastomers, synthetic leather, coatings, adhesives, sealants, polyester elastomers, and polyamide elastomers.

3. Technical Specification

Appearance	Clear and transparent liquid
Molecular Weight	220-300
Hydroxyl No.	＜500
Water	≤300
Color	≤50

4 Package

200kg / drum

5. Shelf Life

PTMEG has an approximate shelf life of 2 years when stored in its original, tightly sealed container under dry nitrogen protection at temperatures not exceeding 90°C, ensuring no exposure to air.

Polytetramethylene Etherglycol PTMEG-250 Used in Elastomer Block Polymers

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