Technical datasheet

Hytrel® HTR8888 BK190A

Supplied byCelanese- Last Updated on May 12, 2026

Hytrel® HTR8888 BK190A by Celanese is a plasticizer-free thermoplastic polyester elastomer. It is light- and heat stabilized. It possesses excellent toughness, resilience, flexibility at low temperatures and good retention of properties at elevated temperatures.
  • Provides resistance to creep, impact and flex fatigue, industrial chemicals, oils and solvents.
  • It has good melt stability which enables the recycling of properly handled production waste.
  • Hytrel® HTR8888 BK190A is suitable for processing by injection molding, thermoforming, extrusion and blow molding.
  • Mostly used in automotive, fluid power, electrical/electronic, consumer goods, appliance, power tool, sporting goods, furniture, industrial and off-road transportation and equipment industry.
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Hytrel® HTR8888 BK190A properties

Mechanical properties

PropertiesValue & unitTest conditionTest method
10% Modulus0.0 Visible After LoginVisible After LoginVisible After Login
5% Modulus0.0 Visible After LoginVisible After LoginVisible After Login
50% Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Shore D0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Shore D0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Charpy0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Charpy0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Modulus of Elasticity0.0 Visible After LoginVisible After LoginVisible After Login
Poisson Ratio0.0 Visible After LoginVisible After LoginVisible After Login
Tear Strength, MD0.0 Visible After LoginVisible After LoginVisible After Login
Tear Strength, TD0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength at Break0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Density0.0 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

Thermal properties

PropertiesValue & unitTest conditionTest method
Glass Transition Temperature (Tg)0.0 Visible After LoginVisible After LoginVisible After Login
Melting Point0.0 Visible After LoginVisible After LoginVisible After Login
Melting Point0.0 Visible After LoginVisible After LoginVisible After Login
Vicat Softening Temperature0.0 Visible After LoginVisible After LoginVisible After Login

Hytrel® HTR8888 BK190A Processing Guidelines

Blow Molding Processing Guidelines

PropertiesValue & unitTest conditionTest method
Drying TemperatureVisible After LoginVisible After Login
Drying Time, Dehumidified dryerVisible After LoginVisible After Login
Melt TemperatureVisible After LoginVisible After Login
Mold TemperatureVisible After LoginVisible After Login
Processing Moisture ContentVisible After LoginVisible After Login

Extrusion Processing Guidelines

PropertiesValue & unitTest conditionTest method
Drying TemperatureVisible After LoginVisible After Login
Drying Time, Dehumidified DryerVisible After LoginVisible After Login
Melt TemperatureVisible After LoginVisible After Login
Processing Moisture ContentVisible After LoginVisible After Login

Injection Molding Processing Guidelines

PropertiesValue & unitTest conditionTest method
Drying TemperatureVisible After LoginVisible After Login
Drying Time, Dehumidified dryerVisible After LoginVisible After Login
Melt TemperatureVisible After LoginVisible After Login
Mold Temperature (Optimium)Visible After LoginVisible After Login
Processing Moisture ContentVisible After LoginVisible After Login

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