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Specialty Polyether-Low Molecular Weight PET Polyether

Short Description:

It is liquid at room temperature, which is convenient to use and process. Glass transition temperature of -80 ℃, with excellent low-temperature performance, the mechanical properties of its elastomer products and PTMG close to the PTMG, can replace the PTMG in the harsh low-temperature environment.


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Properties and Uses

It is liquid at room temperature, which is convenient to use and process. Glass transition temperature of -80 ℃, with excellent low-temperature performance, the mechanical properties of its elastomer products and PTMG close to the PTMG, can replace the PTMG in the harsh low-temperature environment.

With good molecular flexibility, it can replace PTMG in flexible artificial leather and printing ink; it can be used in low-temperature-resistant adhesives, coatings, polyurethane elastomers and so on.

Technical specifications

Item

PET500

PET1000

PET2000

Number average molecular weight

400-600

800-1200

1700-2300

Hydroxyl value, mgKOH/g

177.7~266.5

88.8~133.2

46.3~62.7

Viscosity (40℃), Pa.s

≤0.5

≤1.0

≤5.0

Acid value, mgKOH/g

≤0.05

≤0.05

≤0.05

Water mass fraction, %

≤0.05

≤0.05

≤0.05


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