China Specialty Polyether-High Molecular Weight PET Polyether Supplier, Factories

The product has excellent flexibility and can be used in high elongation materials that require high elongation; it can be used in special ultra-low-temperature elastomers and adhesives with low-temperature resistance up to -90℃ or below, and it can also be used in solid TJJ.

Product Description

The product has excellent flexibility and can be used in high elongation materials that require high elongation; it can be used in special ultra-low-temperature elastomers and adhesives with low-temperature resistance up to -90℃ or below, and it can also be used in solid TJJ.

Excellent Flexibility
Low Temperature (-90℃)
Solid TJJ Application
Technical Specifications
Item HP type HT type
Number average molecular weight 7000 ~ 9000 7000 ~ 9000
Hydroxyl value, mgKOH/g 11.8 ~ 15.2 18.0 ~ 23.2
Viscosity (40℃), Pa.s ≤ 60 ≤ 80
Acid value, mgKOH/g ≤ 0.10 ≤ 0.10
Water mass fraction, % ≤ 0.10 ≤ 0.10
Frequently Asked Questions
What are the primary applications for this product?
This product is designed for high elongation materials requiring excellent flexibility, special ultra-low-temperature elastomers, low-temperature resistant adhesives, and solid TJJ.
What is the lowest temperature this product can withstand?
It features outstanding low-temperature performance, remaining functional and resistant in extreme conditions down to -90℃ or below.
How do the HP and HT types compare in molecular weight?
Both the HP type and HT type share the same number average molecular weight range of 7000 to 9000.
What is the typical viscosity range at 40℃ for both types?
At 40℃, the viscosity is ≤60 Pa.s for the HP type and ≤80 Pa.s for the HT type.
What are the acid value and moisture specifications of this product?
Both the HP and HT types maintain a strict acid value of ≤0.10 mgKOH/g and a water mass fraction of ≤0.10%.

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