Arnitel® EL250/U

Chemical Family: Polyesters

Arnitel® EL250/U is a high-performance thermoplastic copolyester (TPC) known for its exceptional attributes, including flexibility, high-temperature resistance, strength, and excellent processing characteristics. It is gaining increasing popularity as a lighter, more intelligent, and environmentally friendly substitute for conventional rubber across various industries. This transition leads to a notable reduction in environmental impact and system costs. One significant feature of Arnitel® EL250/U is its UV stabilization or weather stability, making it suitable for applications exposed to outdoor conditions. It is specially engineered for injection molding processes, ensuring efficient and precise manufacturing.

Product families

Applications

Electrical & Electronics — Wire & Cable

Building Wires & Power Cables
Data Communication Cables
Power Transmission & Distribution

Product Families

Elastomers — Thermoplastic Elastomers

Thermoplastic Polyester Elastomers (TPE-E)

Other characteristics

Brand: Arnitel
Density: 1090.0 - 1090.0 kg/m³
Polymer Name: Thermoplastic Copolyester Elastomer (TPC-ET)
Strain at Break: 300.0 - 300.0 %
Processing Methods: Injection Molding
Markets: Electrical & Electronics
Flame Rating: UL 94 HB
Technology: Elastomers
Packaging Type: Bags
Boxes
Silos
Super Sacks
Quality Standards: UL Yellow Card (E47960)
Additives Included: UV Stabilizer
Material Features: Good Weather Stability
UL Flame Rated
UV Stabilized
Certifications and Compliance: ISO 14001
OHSAS
REACH (Europe)
UL 94
Plastics and Elastomers Functions: Resin
Plastics and Elastomers Processing Methods: Injection Molding

Technical data

Table 1 of 8

5 rows

Characteristic	Value	Unit	Method
Charpy Notched Impact Strength (at +23°C)	N	kJ/m²	ISO 179/1eA
Charpy Notched Impact Strength (at -30°C)	N	kJ/m²	ISO 179/1eA
Izod Notched Impact Strength (at +23°C)	N	kJ/m²	ISO 180/1A
Izod Notched Impact Strength (at -20°C)	N	kJ/m²	ISO 180/1A
Tensile Notched Impact Strength (at +23°C)	N	kJ/m²	ISO 8256/1

Table 2 of 8

9 rows

Characteristic	Value	Unit	Method
Melting Temperature (10°C/min)	180	°C	ISO 11357-1/-3
Glass Transition Temperature (at 10°C/min)	-80	°C	ISO 11357-1/-2
Glass Transition Temperature from DMTA (tan d)	-74	°C	ASTM D5026/D7028
Coefficient of Linear Thermal Expansion (parallel)	2.2	E-4/°C	ISO 11359-1/-2
Coefficient of Linear Thermal Expansion (normal)	2.2	E-4/°C	ISO 11359-1/-2
Burning Behaviour (at 1.5 mm Nominal Thickness)	UL HB	class	IEC 60695-11-10
Relative Temperature Index (Electrical, 1.5 mm)	50	°C	UL746B
Relative Temperature Index (with impact, 1.5 mm)	50	°C	UL746B
Relative Temperature Index (without impact, 1.5 mm)	50	°C	UL746B

Table 3 of 8

1 row

Characteristic	Value	Unit	Method
Volume Resistivity	5E12	Ohm*m	IEC 62631-3-1

Table 4 of 8

1 row

Characteristic	Value	Unit
Density of Melt	905	kg/m³

Table 5 of 8

3 rows

Characteristic	Value	Unit	Method
Water Absorption	0.8	%	Sim. to ISO 62
Density	1090	kg/m³	ISO 1183
Apparent Density	645	kg/m³	ISO 60

Table 6 of 8

10 rows

Characteristic	Value	Unit	Method
Tensile Modulus	18	MPa	ISO 527-1/-2
Stress at 5% strain	1	MPa	ISO 527-1/-2
Stress at 10% strain	2.1	MPa	ISO 527-1/-2
Stress at 50% strain	4.2	MPa	ISO 527-1/-2
Stress at 100% strain	4.5	MPa	ISO 527-1/-2
Stress at Break	11	MPa	ISO 527-1/-2
Strain at Break	>300	%	ISO 527-1/-2
Nominal Strain at Break	500	%	ISO 527-1/-2
Shore A Hardness (3s)	85	—	ISO 868
Shore D Hardness (3s)	25	—	ISO 868

Table 7 of 8