Technical datasheet

HYBRAR™ 7125F

Supplied byKuraray- Last Updated on Mar 6, 2026

HYBRAR™ 7125F by Kuraray is a curable, hydrogenated, vinyl-bond rich styrene-ethylene propylene styrene copolymer (SEPS). It is designed for processing by cast film extrusion. Used in other products as an environmentally friendly softener material without the need for a plasticizer, in contrast to soft PVC.
  • Exhibits good flexibility, elasticity, high vibration damping at room temperature.
  • It is soluble in petroleum benzene, toluene, hexane, chloroform, cyclohexane, tetrahydrofuran and partially soluble in ethyl acetate & methyl ethyl ketone.
  • It is insoluble in methanol, ethanol, acetone, water and dimethylformamide.
  • It is miscibility with PP, affinity with polyolefins- & styrenics, high heat- and weather resistance.
  • Offers good impact properties at low temperature, low styrene content and glass transition temperature.
  • It shows excellent miscibility with polypropylene resulting in exceptional transparency and clarity when blended.
  • HYBRAR™ 7125F is recommended for sporting goods, electrical appliances, tubes, cables, flooring, shoes, consumer goods, films, sheets, construction-, automotive- and acoustic parts.
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Benefits

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HYBRAR™ 7125F properties

Electrical properties

PropertiesValue & unitTest conditionTest method
Dielectric Loss0.0 Visible After LoginVisible After LoginVisible After Login
Dielectric Strength0.0 Visible After LoginVisible After LoginVisible After Login
Specific Inductive Capacity0.0 Visible After LoginVisible After LoginVisible After Login
Volume Resistivity0.0 Visible After LoginVisible After LoginVisible After Login

Mechanical properties

PropertiesValue & unitTest conditionTest method
100% Modulus0.0 Visible After LoginVisible After LoginVisible After Login
300% Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Shore A0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Elongation0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

PropertiesValue & unitTest conditionTest method
Viscosity, Relative0.0 Visible After LoginVisible After LoginVisible After Login
Viscosity, Relative0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)0.0 Visible After LoginVisible After LoginVisible After Login
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)0.0 Visible After LoginVisible After LoginVisible After Login
Specific Gravity0.0 Visible After LoginVisible After LoginVisible After Login
Styrene Content0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

PropertiesValue & unitTest conditionTest method
Crystalline Temperature0.0 Visible After LoginVisible After LoginVisible After Login
Glass Transition Temperature (Tg)0.0 Visible After LoginVisible After LoginVisible After Login

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