Home Thermoplastic copolyesters (TPEE) Thermoplastic polyester elastomer Hytrel 5556

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Thermoplastic polyester elastomer Hytrel 5556

Description

Hytrel 5556 from Celanese is a plasticizer-free thermoplastic polyester elastomer. It is light-stabilized and contains a non-discoloring stabilizer. The material offers the following characteristics:

Good melt stability

Excellent strength and resilience

High creep resistance

Impact and flexural fatigue resistance

Flexibility at low temperatures

Good property retention at elevated temperatures

Resistance to industrial chemicals, oils and solvents.

Advantages

Light stabilization
Strength and resilience
Creep resistance
Flexibility at low temperatures
Chemical resistance
Wide variety of applications

Applications

Hytrel 5556 is used in demanding applications in the following industries:

Automotive industry: tubes, hoses, belts

Hydraulic systems: hoses and tubes

Electrical engineering and electronics: wires and cables

Consumer goods: various household products and power tools

Sporting goods: sports equipment components

Furniture: furniture components

Industrial and off-road equipment: various parts and assemblies

Household appliances: various elements and components

Thermoplastic polyester elastomer Hytrel 5556

Parameter

Unit

Value

Physical and rheological properties:

Nominal elongation at break

600 (ISO 527-1/-2)

Abrasion resistance

mm³

120 (ISO 4649)

Mold shrinkage (parallel to flow)

1.4 (ISO 294-4)

Mold shrinkage (transverse to flow)

1.4 (ISO 294-4)

Melt flow rate (MFR, 220 °C / 2.16 kg)

g/10 min

7.8 (ISO 1133-1)

Melt volume rate (MVR, 220 °C / 2.16 kg)

cm³/10 min

7 (ISO 1133-1)

Water absorption (immersion 24 h, 23 °C)

0.6 (ISO 62)

Elongation at yield

40 (ISO 527-1/-2)

Density

g/cm³

1.19 (ISO 1183)

Moisture absorption (air, 23 °C, 50 % RH)

0.2 (ISO 62)

Electrical properties:

Relative permittivity (23 °C, 100 Hz)

—

4.8 (IEC 62631-2-1)

Relative permittivity (23 °C, 1 MHz)

—

4.4 (IEC 62631-2-1)

Tracking resistance (CTI)

600 (IEC 60112)

Dielectric strength

kV/mm

19 (IEC 60243-1)

Surface resistivity

> 1×10¹⁵ (IEC 62631-3-2)

Dielectric dissipation factor (23 °C, 100 Hz)

—

0.009 (IEC 62631-2-1)

Dielectric dissipation factor (23 °C, 1 MHz)

—

0.038 (IEC 62631-2-1)

Thermal properties:

Melting temperature (Tm)

°C

201 (ISO 11357-3)

Oxygen index (LOI)

20 (ISO 4589-2)

Glass transition temperature (Tg)

°C

−25 (ISO 11357-2)

Heat deflection temperature (HDT/B, 0.45 MPa)

°C

70 (ISO 75-2)

Vicat softening temperature (10 N)

°C

180 (ISO 306)

Coefficient of linear expansion (parallel to flow)

ppm/K

160 (ISO 11359-2)

UL 94 flammability rating (1.5 mm)

—

HB (IEC 60695-11-10)

Mechanical properties:

Tensile modulus

MPa

180 (ISO 527-1/-2)

Flexural modulus

MPa

190 (ISO 178)

Shore D hardness (15 s)

—

51 (ISO 868)

Stress at yield

MPa

15 (ISO 527-1/-2)

Charpy impact strength (notched, 23 °C)

kJ/m²

No break (ISO 179-1/1eA)

Charpy impact strength (notched, −30 °C)

kJ/m²

145 (ISO 179-1/1eA)

Tear resistance (parallel to flow)

kN/m

137 (ISO 34-1)

Elongation at break

>300 (ISO 527-1/-2)

Stress at 50 % elongation (M50)

MPa

14.5 (ISO 527-1/-2)

Stress at 5 % elongation

MPa

6.9 (ISO 527-1/-2)

Tensile strength

MPa

40 (ISO 527-1/-2)

Typical data for this polymer class, for reference.

Указанные показатели измеряются по внутренним методикам, близким к соответствующим ISO, ГОСТ Информация носит ознакомительный характер, рекомендуем использовать техническую информацию после согласования с поставщиком и подписания нормативно-технической спецификации